VAR-202101-0221
Vulnerability from variot - Updated: 2025-12-22 20:41A flaw was found in dnsmasq before version 2.83. When getting a reply from a forwarded query, dnsmasq checks in forward.c:reply_query(), which is the forwarded query that matches the reply, by only using a weak hash of the query name. Due to the weak hash (CRC32 when dnsmasq is compiled without DNSSEC, SHA-1 when it is) this flaw allows an off-path attacker to find several different domains all having the same hash, substantially reducing the number of attempts they would have to perform to forge a reply and get it accepted by dnsmasq. This is in contrast with RFC5452, which specifies that the query name is one of the attributes of a query that must be used to match a reply. This flaw could be abused to perform a DNS Cache Poisoning attack. If chained with CVE-2020-25684 the attack complexity of a successful attack is reduced. The highest threat from this vulnerability is to data integrity. Dnsmasq is vulnerable to a set of memory corruption issues handling DNSSEC data and a second set of issues validating DNS responses. These vulnerabilities could allow an attacker to corrupt memory on a vulnerable system and perform cache poisoning attacks against a vulnerable environment.CVE-2020-25681 Not Affected CVE-2020-25682 Not Affected CVE-2020-25683 Not Affected CVE-2020-25684 Affected CVE-2020-25685 Affected CVE-2020-25686 Affected CVE-2020-25687 Not AffectedCVE-2020-25681 Not Affected CVE-2020-25682 Not Affected CVE-2020-25683 Not Affected CVE-2020-25684 Affected CVE-2020-25685 Affected CVE-2020-25686 Affected CVE-2020-25687 Not Affected. Dnsmasq is a lightweight DNS forwarding and DHCP and TFTP server written in C language.
Dnsmasq has a security vulnerability, which stems from the use of a weak hash algorithm (CRC32) to verify DNS responses when compiling without dnnssec. No detailed vulnerability details are currently provided. They could result in denial of service, cache poisoning or the execution of arbitrary code.
For the stable distribution (buster), these problems have been fixed in version 2.80-1+deb10u1.
We recommend that you upgrade your dnsmasq packages.
For the detailed security status of dnsmasq please refer to its security tracker page at: https://security-tracker.debian.org/tracker/dnsmasq
Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org -----BEGIN PGP SIGNATURE-----
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- Description:
OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform.
This advisory contains the following OpenShift Virtualization 2.6.0 images:
RHEL-8-CNV-2.6 =============kubevirt-cpu-node-labeller-container-v2.6.0-5 kubevirt-cpu-model-nfd-plugin-container-v2.6.0-5 node-maintenance-operator-container-v2.6.0-13 kubevirt-vmware-container-v2.6.0-5 virtio-win-container-v2.6.0-5 kubevirt-kvm-info-nfd-plugin-container-v2.6.0-5 bridge-marker-container-v2.6.0-9 kubevirt-template-validator-container-v2.6.0-9 kubevirt-v2v-conversion-container-v2.6.0-6 kubemacpool-container-v2.6.0-13 kubevirt-ssp-operator-container-v2.6.0-40 hyperconverged-cluster-webhook-container-v2.6.0-73 hyperconverged-cluster-operator-container-v2.6.0-73 ovs-cni-plugin-container-v2.6.0-10 cnv-containernetworking-plugins-container-v2.6.0-10 ovs-cni-marker-container-v2.6.0-10 cluster-network-addons-operator-container-v2.6.0-16 hostpath-provisioner-container-v2.6.0-11 hostpath-provisioner-operator-container-v2.6.0-14 vm-import-virtv2v-container-v2.6.0-21 kubernetes-nmstate-handler-container-v2.6.0-19 vm-import-controller-container-v2.6.0-21 vm-import-operator-container-v2.6.0-21 virt-api-container-v2.6.0-111 virt-controller-container-v2.6.0-111 virt-handler-container-v2.6.0-111 virt-operator-container-v2.6.0-111 virt-launcher-container-v2.6.0-111 cnv-must-gather-container-v2.6.0-54 virt-cdi-importer-container-v2.6.0-24 virt-cdi-cloner-container-v2.6.0-24 virt-cdi-controller-container-v2.6.0-24 virt-cdi-uploadserver-container-v2.6.0-24 virt-cdi-apiserver-container-v2.6.0-24 virt-cdi-uploadproxy-container-v2.6.0-24 virt-cdi-operator-container-v2.6.0-24 hco-bundle-registry-container-v2.6.0-582
Security Fix(es):
-
golang.org/x/crypto: Processing of crafted ssh-ed25519 public keys allows for panic (CVE-2020-9283)
-
golang: crypto/ssh: crafted authentication request can lead to nil pointer dereference (CVE-2020-29652)
-
gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index validation (CVE-2021-3121)
-
golang.org/x/text: possibility to trigger an infinite loop in encoding/unicode could lead to crash (CVE-2020-14040)
-
golang: data race in certain net/http servers including ReverseProxy can lead to DoS (CVE-2020-15586)
-
golang: ReadUvarint and ReadVarint can read an unlimited number of bytes from invalid inputs (CVE-2020-16845)
-
jwt-go: access restriction bypass vulnerability (CVE-2020-26160)
-
golang-github-gorilla-websocket: integer overflow leads to denial of service (CVE-2020-27813)
-
golang: math/big: panic during recursive division of very large numbers (CVE-2020-28362)
-
containernetworking-cni: Arbitrary path injection via type field in CNI configuration (CVE-2021-20206)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bugs fixed (https://bugzilla.redhat.com/):
1732329 - Virtual Machine is missing documentation of its properties in yaml editor
1783192 - Guest kernel panic when start RHEL6.10 guest with q35 machine type and virtio disk in cnv
1791753 - [RFE] [SSP] Template validator should check validations in template's parent template
1804533 - CVE-2020-9283 golang.org/x/crypto: Processing of crafted ssh-ed25519 public keys allows for panic
1848954 - KMP missing CA extensions in cabundle of mutatingwebhookconfiguration
1848956 - KMP requires downtime for CA stabilization during certificate rotation
1853652 - CVE-2020-14040 golang.org/x/text: possibility to trigger an infinite loop in encoding/unicode could lead to crash
1853911 - VM with dot in network name fails to start with unclear message
1854098 - NodeNetworkState on workers doesn't have "status" key due to nmstate-handler pod failure to run "nmstatectl show"
1856347 - SR-IOV : Missing network name for sriov during vm setup
1856953 - CVE-2020-15586 golang: data race in certain net/http servers including ReverseProxy can lead to DoS
1859235 - Common Templates - after upgrade there are 2 common templates per each os-workload-flavor combination
1860714 - No API information from oc explain
1860992 - CNV upgrade - users are not removed from privileged SecurityContextConstraints
1864577 - [v2v][RHV to CNV non migratable source VM fails to import to Ceph-rbd / File system due to overhead required for Filesystem
1866593 - CDI is not handling vm disk clone
1867099 - CVE-2020-16845 golang: ReadUvarint and ReadVarint can read an unlimited number of bytes from invalid inputs
1868817 - Container-native Virtualization 2.6.0 Images
1873771 - Improve the VMCreationFailed error message caused by VM low memory
1874812 - SR-IOV: Guest Agent expose link-local ipv6 address for sometime and then remove it
1878499 - DV import doesn't recover from scratch space PVC deletion
1879108 - Inconsistent naming of "oc virt" command in help text
1881874 - openshift-cnv namespace is getting stuck if the user tries to delete it while CNV is running
1883232 - Webscale: kubevirt/CNV datavolume importer pod inability to disable sidecar injection if namespace has sidecar injection enabled but VM Template does NOT
1883371 - CVE-2020-26160 jwt-go: access restriction bypass vulnerability
1885153 - [v2v][RHV to CNv VM import] Wrong Network mapping do not show a relevant error message
1885418 - [openshift-cnv] issues with memory overhead calculation when limits are used
1887398 - [openshift-cnv][CNV] nodes need to exist and be labeled first, before the NodeNetworkConfigurationPolicy is applied
1889295 - [v2v][VMware to CNV VM import API] diskMappings: volumeMode Block is not passed on to PVC request.
1891285 - Common templates and kubevirt-config cm - update machine-type
1891440 - [v2v][VMware to CNV VM import API]Source VM with no network interface fail with unclear error
1892227 - [SSP] cluster scoped resources are not being reconciled
1893278 - openshift-virtualization-os-images namespace not seen by user
1893646 - [HCO] Pod placement configuration - dry run is not performed for all the configuration stanza
1894428 - Message for VMI not migratable is not clear enough
1894824 - [v2v][VM import] Pick the smallest template for the imported VM, and not always Medium
1894897 - [v2v][VMIO] VMimport CR is not reported as failed when target VM is deleted during the import
1895414 - Virt-operator is accepting updates to the placement of its workload components even with running VMs
1897635 - CVE-2020-28362 golang: math/big: panic during recursive division of very large numbers
1898072 - Add Fedora33 to Fedora common templates
1898840 - [v2v] VM import VMWare to CNV Import 63 chars vm name should not fail
1899558 - CNV 2.6 - nmstate fails to set state
1901480 - VM disk io can't worked if namespace have label kubemacpool
1902046 - Not possible to edit CDIConfig (through CDI CR / CDIConfig)
1902111 - CVE-2020-27813 golang-github-gorilla-websocket: integer overflow leads to denial of service
1903014 - hco-webhook pod in CreateContainerError
1903585 - [v2v] Windows 2012 VM imported from RHV goes into Windows repair mode
1904797 - [VMIO][vmware] A migrated RHEL/Windows VM starts in emergency mode/safe mode when target storage is NFS and target namespace is NOT "default"
1906199 - [CNV-2.5] CNV Tries to Install on Windows Workers
1907151 - kubevirt version is not reported correctly via virtctl
1907352 - VM/VMI link changes to kubevirt.io~v1~VirtualMachineInstance on CNV 2.6
1907691 - [CNV] Configuring NodeNetworkConfigurationPolicy caused "Internal error occurred" for creating datavolume
1907988 - VM loses dynamic IP address of its default interface after migration
1908363 - Applying NodeNetworkConfigurationPolicy for different NIC than default disables br-ex bridge and nodes lose connectivity
1908421 - [v2v] [VM import RHV to CNV] Windows imported VM boot failed: INACCESSIBLE BOOT DEVICE error
1908883 - CVE-2020-29652 golang: crypto/ssh: crafted authentication request can lead to nil pointer dereference
1909458 - [V2V][VMware to CNV VM import via api using VMIO] VM import to Ceph RBD/BLOCK fails on "qemu-img: /data/disk.img" error
1910857 - Provide a mechanism to enable the HotplugVolumes feature gate via HCO
1911118 - Windows VMI LiveMigration / shutdown fails on 'XML error: non unique alias detected: ua-')
1911396 - Set networkInterfaceMultiqueue false in rhel 6 template for e1000e interface
1911662 - el6 guests don't work properly if virtio bus is specified on various devices
1912908 - Allow using "scsi" bus for disks in template validation
1913248 - Creating vlan interface on top of a bond device via NodeNetworkConfigurationPolicy fails
1913320 - Informative message needed with virtctl image-upload, that additional step is needed from the user
1913717 - Users should have read permitions for golden images data volumes
1913756 - Migrating to Ceph-RBD + Block fails when skipping zeroes
1914177 - CNV does not preallocate blank file data volumes
1914608 - Obsolete CPU models (kubevirt-cpu-plugin-configmap) are set on worker nodes
1914947 - HPP golden images - DV shoudld not be created with WaitForFirstConsumer
1917908 - [VMIO] vmimport pod fail to create when using ceph-rbd/block
1917963 - [CNV 2.6] Unable to install CNV disconnected - requires kvm-info-nfd-plugin which is not mirrored
1919391 - CVE-2021-20206 containernetworking-cni: Arbitrary path injection via type field in CNI configuration
1920576 - HCO can report ready=true when it failed to create a CR for a component operator
1920610 - e2e-aws-4.7-cnv consistently failing on Hyperconverged Cluster Operator
1921650 - CVE-2021-3121 gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index validation
1923979 - kubernetes-nmstate: nmstate-handler pod crashes when configuring bridge device using ip tool
1927373 - NoExecute taint violates pdb; VMIs are not live migrated
1931376 - VMs disconnected from nmstate-defined bridge after CNV-2.5.4->CNV-2.6.0 upgrade
- -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
====================================================================
Red Hat Security Advisory
Synopsis: Moderate: dnsmasq security update Advisory ID: RHSA-2021:0153-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:0153 Issue date: 2021-01-19 CVE Names: CVE-2020-25684 CVE-2020-25685 CVE-2020-25686 ==================================================================== 1. Summary:
An update for dnsmasq is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
- Relevant releases/architectures:
Red Hat Enterprise Linux Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
Security Fix(es):
-
dnsmasq: loose address/port check in reply_query() makes forging replies easier for an off-path attacker (CVE-2020-25684)
-
dnsmasq: loose query name check in reply_query() makes forging replies easier for an off-path attacker (CVE-2020-25685)
-
dnsmasq: multiple queries forwarded for the same name makes forging replies easier for an off-path attacker (CVE-2020-25686)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
- Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
- Bugs fixed (https://bugzilla.redhat.com/):
1889686 - CVE-2020-25684 dnsmasq: loose address/port check in reply_query() makes forging replies easier for an off-path attacker 1889688 - CVE-2020-25685 dnsmasq: loose query name check in reply_query() makes forging replies easier for an off-path attacker 1890125 - CVE-2020-25686 dnsmasq: multiple queries forwarded for the same name makes forging replies easier for an off-path attacker
- Package List:
Red Hat Enterprise Linux Client (v. 7):
Source: dnsmasq-2.76-16.el7_9.1.src.rpm
x86_64: dnsmasq-2.76-16.el7_9.1.x86_64.rpm dnsmasq-debuginfo-2.76-16.el7_9.1.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: dnsmasq-debuginfo-2.76-16.el7_9.1.x86_64.rpm dnsmasq-utils-2.76-16.el7_9.1.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: dnsmasq-2.76-16.el7_9.1.src.rpm
x86_64: dnsmasq-2.76-16.el7_9.1.x86_64.rpm dnsmasq-debuginfo-2.76-16.el7_9.1.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64: dnsmasq-debuginfo-2.76-16.el7_9.1.x86_64.rpm dnsmasq-utils-2.76-16.el7_9.1.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: dnsmasq-2.76-16.el7_9.1.src.rpm
ppc64: dnsmasq-2.76-16.el7_9.1.ppc64.rpm dnsmasq-debuginfo-2.76-16.el7_9.1.ppc64.rpm
ppc64le: dnsmasq-2.76-16.el7_9.1.ppc64le.rpm dnsmasq-debuginfo-2.76-16.el7_9.1.ppc64le.rpm
s390x: dnsmasq-2.76-16.el7_9.1.s390x.rpm dnsmasq-debuginfo-2.76-16.el7_9.1.s390x.rpm
x86_64: dnsmasq-2.76-16.el7_9.1.x86_64.rpm dnsmasq-debuginfo-2.76-16.el7_9.1.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64: dnsmasq-debuginfo-2.76-16.el7_9.1.ppc64.rpm dnsmasq-utils-2.76-16.el7_9.1.ppc64.rpm
ppc64le: dnsmasq-debuginfo-2.76-16.el7_9.1.ppc64le.rpm dnsmasq-utils-2.76-16.el7_9.1.ppc64le.rpm
s390x: dnsmasq-debuginfo-2.76-16.el7_9.1.s390x.rpm dnsmasq-utils-2.76-16.el7_9.1.s390x.rpm
x86_64: dnsmasq-debuginfo-2.76-16.el7_9.1.x86_64.rpm dnsmasq-utils-2.76-16.el7_9.1.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: dnsmasq-2.76-16.el7_9.1.src.rpm
x86_64: dnsmasq-2.76-16.el7_9.1.x86_64.rpm dnsmasq-debuginfo-2.76-16.el7_9.1.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64: dnsmasq-debuginfo-2.76-16.el7_9.1.x86_64.rpm dnsmasq-utils-2.76-16.el7_9.1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/
- References:
https://access.redhat.com/security/cve/CVE-2020-25684 https://access.redhat.com/security/cve/CVE-2020-25685 https://access.redhat.com/security/cve/CVE-2020-25686 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/security/vulnerabilities/RHSB-2021-001
- Contact:
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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-- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce
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"data": "A flaw was found in dnsmasq before version 2.83. When getting a reply from a forwarded query, dnsmasq checks in forward.c:reply_query(), which is the forwarded query that matches the reply, by only using a weak hash of the query name. Due to the weak hash (CRC32 when dnsmasq is compiled without DNSSEC, SHA-1 when it is) this flaw allows an off-path attacker to find several different domains all having the same hash, substantially reducing the number of attempts they would have to perform to forge a reply and get it accepted by dnsmasq. This is in contrast with RFC5452, which specifies that the query name is one of the attributes of a query that must be used to match a reply. This flaw could be abused to perform a DNS Cache Poisoning attack. If chained with CVE-2020-25684 the attack complexity of a successful attack is reduced. The highest threat from this vulnerability is to data integrity. Dnsmasq is vulnerable to a set of memory corruption issues handling DNSSEC data and a second set of issues validating DNS responses. These vulnerabilities could allow an attacker to corrupt memory on a vulnerable system and perform cache poisoning attacks against a vulnerable environment.CVE-2020-25681 Not Affected\nCVE-2020-25682 Not Affected\nCVE-2020-25683 Not Affected\nCVE-2020-25684 Affected\nCVE-2020-25685 Affected\nCVE-2020-25686 Affected\nCVE-2020-25687 Not AffectedCVE-2020-25681 Not Affected\nCVE-2020-25682 Not Affected\nCVE-2020-25683 Not Affected\nCVE-2020-25684 Affected\nCVE-2020-25685 Affected\nCVE-2020-25686 Affected\nCVE-2020-25687 Not Affected. Dnsmasq is a lightweight DNS forwarding and DHCP and TFTP server written in C language. \n\r\n\r\nDnsmasq has a security vulnerability, which stems from the use of a weak hash algorithm (CRC32) to verify DNS responses when compiling without dnnssec. No detailed vulnerability details are currently provided. They could result in denial of service, cache poisoning or the\nexecution of arbitrary code. \n\nFor the stable distribution (buster), these problems have been fixed in\nversion 2.80-1+deb10u1. \n\nWe recommend that you upgrade your dnsmasq packages. \n\nFor the detailed security status of dnsmasq please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/dnsmasq\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org\n-----BEGIN PGP SIGNATURE-----\n\niQEzBAEBCgAdFiEEAqSkbVtrXP4xJMh3EL6Jg/PVnWQFAmAZVA4ACgkQEL6Jg/PV\nnWQYKAgAgVwonRAgXSliaFh0n44OPOz9wf4KibG7otcnAx4V4XqFAeXsHd/hIX/K\nIC313F3I+8WzvjKBhvt2KnGG9SnoTnq4roBIa1nz//vNX0hyfDm5xPlxQOExzC+c\nYS8kGt++SvC2wgOsrZEjyk0ecKqDJmZSwW31zXG9/2kTzCbKjuDp+i4TTADqabPC\nAgbmEGVKBR2Fk7K9Prct27oWoj7LHMaH+Ttb8uQGnG7OgJs9KyRI+2qIu+VaRCGf\nyfRj+XayPYHV1Amf5dLIKcLMMp/FnkNFoO2YIAZkWVPjXD2uPKUykJJ1GRl8R+0q\nqtNhPTNNuD6WnYzC8yP0KIQ2tsbg9Q==\n=j5Ka\n-----END PGP SIGNATURE-----\n. 8) - aarch64, ppc64le, s390x, x86_64\n\n3. Description:\n\nOpenShift Virtualization is Red Hat\u0027s virtualization solution designed for\nRed Hat OpenShift Container Platform. \n\nThis advisory contains the following OpenShift Virtualization 2.6.0 images:\n\nRHEL-8-CNV-2.6\n=============kubevirt-cpu-node-labeller-container-v2.6.0-5\nkubevirt-cpu-model-nfd-plugin-container-v2.6.0-5\nnode-maintenance-operator-container-v2.6.0-13\nkubevirt-vmware-container-v2.6.0-5\nvirtio-win-container-v2.6.0-5\nkubevirt-kvm-info-nfd-plugin-container-v2.6.0-5\nbridge-marker-container-v2.6.0-9\nkubevirt-template-validator-container-v2.6.0-9\nkubevirt-v2v-conversion-container-v2.6.0-6\nkubemacpool-container-v2.6.0-13\nkubevirt-ssp-operator-container-v2.6.0-40\nhyperconverged-cluster-webhook-container-v2.6.0-73\nhyperconverged-cluster-operator-container-v2.6.0-73\novs-cni-plugin-container-v2.6.0-10\ncnv-containernetworking-plugins-container-v2.6.0-10\novs-cni-marker-container-v2.6.0-10\ncluster-network-addons-operator-container-v2.6.0-16\nhostpath-provisioner-container-v2.6.0-11\nhostpath-provisioner-operator-container-v2.6.0-14\nvm-import-virtv2v-container-v2.6.0-21\nkubernetes-nmstate-handler-container-v2.6.0-19\nvm-import-controller-container-v2.6.0-21\nvm-import-operator-container-v2.6.0-21\nvirt-api-container-v2.6.0-111\nvirt-controller-container-v2.6.0-111\nvirt-handler-container-v2.6.0-111\nvirt-operator-container-v2.6.0-111\nvirt-launcher-container-v2.6.0-111\ncnv-must-gather-container-v2.6.0-54\nvirt-cdi-importer-container-v2.6.0-24\nvirt-cdi-cloner-container-v2.6.0-24\nvirt-cdi-controller-container-v2.6.0-24\nvirt-cdi-uploadserver-container-v2.6.0-24\nvirt-cdi-apiserver-container-v2.6.0-24\nvirt-cdi-uploadproxy-container-v2.6.0-24\nvirt-cdi-operator-container-v2.6.0-24\nhco-bundle-registry-container-v2.6.0-582\n\nSecurity Fix(es):\n\n* golang.org/x/crypto: Processing of crafted ssh-ed25519 public keys allows\nfor panic (CVE-2020-9283)\n\n* golang: crypto/ssh: crafted authentication request can lead to nil\npointer dereference (CVE-2020-29652)\n\n* gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index\nvalidation (CVE-2021-3121)\n\n* golang.org/x/text: possibility to trigger an infinite loop in\nencoding/unicode could lead to crash (CVE-2020-14040)\n\n* golang: data race in certain net/http servers including ReverseProxy can\nlead to DoS (CVE-2020-15586)\n\n* golang: ReadUvarint and ReadVarint can read an unlimited number of bytes\nfrom invalid inputs (CVE-2020-16845)\n\n* jwt-go: access restriction bypass vulnerability (CVE-2020-26160)\n\n* golang-github-gorilla-websocket: integer overflow leads to denial of\nservice (CVE-2020-27813)\n\n* golang: math/big: panic during recursive division of very large numbers\n(CVE-2020-28362)\n\n* containernetworking-cni: Arbitrary path injection via type field in CNI\nconfiguration (CVE-2021-20206)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section. Bugs fixed (https://bugzilla.redhat.com/):\n\n1732329 - Virtual Machine is missing documentation of its properties in yaml editor\n1783192 - Guest kernel panic when start RHEL6.10 guest with q35 machine type and virtio disk in cnv\n1791753 - [RFE] [SSP] Template validator should check validations in template\u0027s parent template\n1804533 - CVE-2020-9283 golang.org/x/crypto: Processing of crafted ssh-ed25519 public keys allows for panic\n1848954 - KMP missing CA extensions in cabundle of mutatingwebhookconfiguration\n1848956 - KMP requires downtime for CA stabilization during certificate rotation\n1853652 - CVE-2020-14040 golang.org/x/text: possibility to trigger an infinite loop in encoding/unicode could lead to crash\n1853911 - VM with dot in network name fails to start with unclear message\n1854098 - NodeNetworkState on workers doesn\u0027t have \"status\" key due to nmstate-handler pod failure to run \"nmstatectl show\"\n1856347 - SR-IOV : Missing network name for sriov during vm setup\n1856953 - CVE-2020-15586 golang: data race in certain net/http servers including ReverseProxy can lead to DoS\n1859235 - Common Templates - after upgrade there are 2 common templates per each os-workload-flavor combination\n1860714 - No API information from `oc explain`\n1860992 - CNV upgrade - users are not removed from privileged SecurityContextConstraints\n1864577 - [v2v][RHV to CNV non migratable source VM fails to import to Ceph-rbd / File system due to overhead required for Filesystem\n1866593 - CDI is not handling vm disk clone\n1867099 - CVE-2020-16845 golang: ReadUvarint and ReadVarint can read an unlimited number of bytes from invalid inputs\n1868817 - Container-native Virtualization 2.6.0 Images\n1873771 - Improve the VMCreationFailed error message caused by VM low memory\n1874812 - SR-IOV: Guest Agent expose link-local ipv6 address for sometime and then remove it\n1878499 - DV import doesn\u0027t recover from scratch space PVC deletion\n1879108 - Inconsistent naming of \"oc virt\" command in help text\n1881874 - openshift-cnv namespace is getting stuck if the user tries to delete it while CNV is running\n1883232 - Webscale: kubevirt/CNV datavolume importer pod inability to disable sidecar injection if namespace has sidecar injection enabled but VM Template does NOT\n1883371 - CVE-2020-26160 jwt-go: access restriction bypass vulnerability\n1885153 - [v2v][RHV to CNv VM import] Wrong Network mapping do not show a relevant error message\n1885418 - [openshift-cnv] issues with memory overhead calculation when limits are used\n1887398 - [openshift-cnv][CNV] nodes need to exist and be labeled first, *before* the NodeNetworkConfigurationPolicy is applied\n1889295 - [v2v][VMware to CNV VM import API] diskMappings: volumeMode Block is not passed on to PVC request. \n1891285 - Common templates and kubevirt-config cm - update machine-type\n1891440 - [v2v][VMware to CNV VM import API]Source VM with no network interface fail with unclear error\n1892227 - [SSP] cluster scoped resources are not being reconciled\n1893278 - openshift-virtualization-os-images namespace not seen by user\n1893646 - [HCO] Pod placement configuration - dry run is not performed for all the configuration stanza\n1894428 - Message for VMI not migratable is not clear enough\n1894824 - [v2v][VM import] Pick the smallest template for the imported VM, and not always Medium\n1894897 - [v2v][VMIO] VMimport CR is not reported as failed when target VM is deleted during the import\n1895414 - Virt-operator is accepting updates to the placement of its workload components even with running VMs\n1897635 - CVE-2020-28362 golang: math/big: panic during recursive division of very large numbers\n1898072 - Add Fedora33 to Fedora common templates\n1898840 - [v2v] VM import VMWare to CNV Import 63 chars vm name should not fail\n1899558 - CNV 2.6 - nmstate fails to set state\n1901480 - VM disk io can\u0027t worked if namespace have label kubemacpool\n1902046 - Not possible to edit CDIConfig (through CDI CR / CDIConfig)\n1902111 - CVE-2020-27813 golang-github-gorilla-websocket: integer overflow leads to denial of service\n1903014 - hco-webhook pod in CreateContainerError\n1903585 - [v2v] Windows 2012 VM imported from RHV goes into Windows repair mode\n1904797 - [VMIO][vmware] A migrated RHEL/Windows VM starts in emergency mode/safe mode when target storage is NFS and target namespace is NOT \"default\"\n1906199 - [CNV-2.5] CNV Tries to Install on Windows Workers\n1907151 - kubevirt version is not reported correctly via virtctl\n1907352 - VM/VMI link changes to `kubevirt.io~v1~VirtualMachineInstance` on CNV 2.6\n1907691 - [CNV] Configuring NodeNetworkConfigurationPolicy caused \"Internal error occurred\" for creating datavolume\n1907988 - VM loses dynamic IP address of its default interface after migration\n1908363 - Applying NodeNetworkConfigurationPolicy for different NIC than default disables br-ex bridge and nodes lose connectivity\n1908421 - [v2v] [VM import RHV to CNV] Windows imported VM boot failed: INACCESSIBLE BOOT DEVICE error\n1908883 - CVE-2020-29652 golang: crypto/ssh: crafted authentication request can lead to nil pointer dereference\n1909458 - [V2V][VMware to CNV VM import via api using VMIO] VM import to Ceph RBD/BLOCK fails on \"qemu-img: /data/disk.img\" error\n1910857 - Provide a mechanism to enable the HotplugVolumes feature gate via HCO\n1911118 - Windows VMI LiveMigration / shutdown fails on \u0027XML error: non unique alias detected: ua-\u0027)\n1911396 - Set networkInterfaceMultiqueue false in rhel 6 template for e1000e interface\n1911662 - el6 guests don\u0027t work properly if virtio bus is specified on various devices\n1912908 - Allow using \"scsi\" bus for disks in template validation\n1913248 - Creating vlan interface on top of a bond device via NodeNetworkConfigurationPolicy fails\n1913320 - Informative message needed with virtctl image-upload, that additional step is needed from the user\n1913717 - Users should have read permitions for golden images data volumes\n1913756 - Migrating to Ceph-RBD + Block fails when skipping zeroes\n1914177 - CNV does not preallocate blank file data volumes\n1914608 - Obsolete CPU models (kubevirt-cpu-plugin-configmap) are set on worker nodes\n1914947 - HPP golden images - DV shoudld not be created with WaitForFirstConsumer\n1917908 - [VMIO] vmimport pod fail to create when using ceph-rbd/block\n1917963 - [CNV 2.6] Unable to install CNV disconnected - requires kvm-info-nfd-plugin which is not mirrored\n1919391 - CVE-2021-20206 containernetworking-cni: Arbitrary path injection via type field in CNI configuration\n1920576 - HCO can report ready=true when it failed to create a CR for a component operator\n1920610 - e2e-aws-4.7-cnv consistently failing on Hyperconverged Cluster Operator\n1921650 - CVE-2021-3121 gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index validation\n1923979 - kubernetes-nmstate: nmstate-handler pod crashes when configuring bridge device using ip tool\n1927373 - NoExecute taint violates pdb; VMIs are not live migrated\n1931376 - VMs disconnected from nmstate-defined bridge after CNV-2.5.4-\u003eCNV-2.6.0 upgrade\n\n5. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n==================================================================== \nRed Hat Security Advisory\n\nSynopsis: Moderate: dnsmasq security update\nAdvisory ID: RHSA-2021:0153-01\nProduct: Red Hat Enterprise Linux\nAdvisory URL: https://access.redhat.com/errata/RHSA-2021:0153\nIssue date: 2021-01-19\nCVE Names: CVE-2020-25684 CVE-2020-25685 CVE-2020-25686\n====================================================================\n1. Summary:\n\nAn update for dnsmasq is now available for Red Hat Enterprise Linux 7. \n\nRed Hat Product Security has rated this update as having a security impact\nof Moderate. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available for each vulnerability from\nthe CVE link(s) in the References section. \n\n2. Relevant releases/architectures:\n\nRed Hat Enterprise Linux Client (v. 7) - x86_64\nRed Hat Enterprise Linux Client Optional (v. 7) - x86_64\nRed Hat Enterprise Linux ComputeNode (v. 7) - x86_64\nRed Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64\nRed Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64\nRed Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64\nRed Hat Enterprise Linux Workstation (v. 7) - x86_64\nRed Hat Enterprise Linux Workstation Optional (v. 7) - x86_64\n\n3. \n\nSecurity Fix(es):\n\n* dnsmasq: loose address/port check in reply_query() makes forging replies\neasier for an off-path attacker (CVE-2020-25684)\n\n* dnsmasq: loose query name check in reply_query() makes forging replies\neasier for an off-path attacker (CVE-2020-25685)\n\n* dnsmasq: multiple queries forwarded for the same name makes forging\nreplies easier for an off-path attacker (CVE-2020-25686)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section. \n\n4. Solution:\n\nFor details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\n5. Bugs fixed (https://bugzilla.redhat.com/):\n\n1889686 - CVE-2020-25684 dnsmasq: loose address/port check in reply_query() makes forging replies easier for an off-path attacker\n1889688 - CVE-2020-25685 dnsmasq: loose query name check in reply_query() makes forging replies easier for an off-path attacker\n1890125 - CVE-2020-25686 dnsmasq: multiple queries forwarded for the same name makes forging replies easier for an off-path attacker\n\n6. Package List:\n\nRed Hat Enterprise Linux Client (v. 7):\n\nSource:\ndnsmasq-2.76-16.el7_9.1.src.rpm\n\nx86_64:\ndnsmasq-2.76-16.el7_9.1.x86_64.rpm\ndnsmasq-debuginfo-2.76-16.el7_9.1.x86_64.rpm\n\nRed Hat Enterprise Linux Client Optional (v. 7):\n\nx86_64:\ndnsmasq-debuginfo-2.76-16.el7_9.1.x86_64.rpm\ndnsmasq-utils-2.76-16.el7_9.1.x86_64.rpm\n\nRed Hat Enterprise Linux ComputeNode (v. 7):\n\nSource:\ndnsmasq-2.76-16.el7_9.1.src.rpm\n\nx86_64:\ndnsmasq-2.76-16.el7_9.1.x86_64.rpm\ndnsmasq-debuginfo-2.76-16.el7_9.1.x86_64.rpm\n\nRed Hat Enterprise Linux ComputeNode Optional (v. 7):\n\nx86_64:\ndnsmasq-debuginfo-2.76-16.el7_9.1.x86_64.rpm\ndnsmasq-utils-2.76-16.el7_9.1.x86_64.rpm\n\nRed Hat Enterprise Linux Server (v. 7):\n\nSource:\ndnsmasq-2.76-16.el7_9.1.src.rpm\n\nppc64:\ndnsmasq-2.76-16.el7_9.1.ppc64.rpm\ndnsmasq-debuginfo-2.76-16.el7_9.1.ppc64.rpm\n\nppc64le:\ndnsmasq-2.76-16.el7_9.1.ppc64le.rpm\ndnsmasq-debuginfo-2.76-16.el7_9.1.ppc64le.rpm\n\ns390x:\ndnsmasq-2.76-16.el7_9.1.s390x.rpm\ndnsmasq-debuginfo-2.76-16.el7_9.1.s390x.rpm\n\nx86_64:\ndnsmasq-2.76-16.el7_9.1.x86_64.rpm\ndnsmasq-debuginfo-2.76-16.el7_9.1.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional (v. 7):\n\nppc64:\ndnsmasq-debuginfo-2.76-16.el7_9.1.ppc64.rpm\ndnsmasq-utils-2.76-16.el7_9.1.ppc64.rpm\n\nppc64le:\ndnsmasq-debuginfo-2.76-16.el7_9.1.ppc64le.rpm\ndnsmasq-utils-2.76-16.el7_9.1.ppc64le.rpm\n\ns390x:\ndnsmasq-debuginfo-2.76-16.el7_9.1.s390x.rpm\ndnsmasq-utils-2.76-16.el7_9.1.s390x.rpm\n\nx86_64:\ndnsmasq-debuginfo-2.76-16.el7_9.1.x86_64.rpm\ndnsmasq-utils-2.76-16.el7_9.1.x86_64.rpm\n\nRed Hat Enterprise Linux Workstation (v. 7):\n\nSource:\ndnsmasq-2.76-16.el7_9.1.src.rpm\n\nx86_64:\ndnsmasq-2.76-16.el7_9.1.x86_64.rpm\ndnsmasq-debuginfo-2.76-16.el7_9.1.x86_64.rpm\n\nRed Hat Enterprise Linux Workstation Optional (v. 7):\n\nx86_64:\ndnsmasq-debuginfo-2.76-16.el7_9.1.x86_64.rpm\ndnsmasq-utils-2.76-16.el7_9.1.x86_64.rpm\n\nThese packages are GPG signed by Red Hat for security. Our key and\ndetails on how to verify the signature are available from\nhttps://access.redhat.com/security/team/key/\n\n7. References:\n\nhttps://access.redhat.com/security/cve/CVE-2020-25684\nhttps://access.redhat.com/security/cve/CVE-2020-25685\nhttps://access.redhat.com/security/cve/CVE-2020-25686\nhttps://access.redhat.com/security/updates/classification/#moderate\nhttps://access.redhat.com/security/vulnerabilities/RHSB-2021-001\n\n8. Contact:\n\nThe Red Hat security contact is \u003csecalert@redhat.com\u003e. More contact\ndetails at https://access.redhat.com/security/team/contact/\n\nCopyright 2021 Red Hat, Inc. \n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1\n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\nsGV/jc2cn78=iw2j\n-----END PGP SIGNATURE-----\n\n--\nRHSA-announce mailing list\nRHSA-announce@redhat.com\nhttps://www.redhat.com/mailman/listinfo/rhsa-announce\n",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.