Vulnerability-Lookup

SUSE-SU-2018:1968-1

Vulnerability from csaf_suse - Published: 2018-07-16 06:27 - Updated: 2018-07-16 06:27

Summary

Security update for openssl

Severity

Moderate

Notes

Title of the patch: Security update for openssl

Description of the patch: This update for openssl fixes the following issues: - CVE-2018-0732: During key agreement in a TLS handshake using a DH(E) based ciphersuite a malicious server could have sent a very large prime value to the client. This caused the client to spend an unreasonably long period of time generating a key for this prime resulting in a hang until the client has finished. This could be exploited in a Denial Of Service attack (bsc#1097158). - Blinding enhancements for ECDSA and DSA (bsc#1097624, bsc#1098592)

Patchnames: SUSE-SLE-SAP-12-SP1-2018-1325,SUSE-SLE-SERVER-12-SP1-2018-1325

CVE-2018-0732

5.3 (Medium)


                
                  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

Recommended 23 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Server 12 SP1-LTSS:libopenssl1_0_0-1.0.1i-54.14.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP1-LTSS:libopenssl1_0_0-1.0.1i-54.14.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP1-LTSS:libopenssl1_0_0-1.0.1i-54.14.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP1-LTSS:libopenssl1_0_0-32bit-1.0.1i-54.14.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP1-LTSS:libopenssl1_0_0-32bit-1.0.1i-54.14.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP1-LTSS:libopenssl1_0_0-hmac-1.0.1i-54.14.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP1-LTSS:libopenssl1_0_0-hmac-1.0.1i-54.14.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP1-LTSS:libopenssl1_0_0-hmac-1.0.1i-54.14.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP1-LTSS:libopenssl1_0_0-hmac-32bit-1.0.1i-54.14.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP1-LTSS:libopenssl1_0_0-hmac-32bit-1.0.1i-54.14.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP1-LTSS:openssl-1.0.1i-54.14.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP1-LTSS:openssl-1.0.1i-54.14.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP1-LTSS:openssl-1.0.1i-54.14.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP1-LTSS:openssl-doc-1.0.1i-54.14.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP1:libopenssl1_0_0-1.0.1i-54.14.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP1:libopenssl1_0_0-1.0.1i-54.14.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP1:libopenssl1_0_0-32bit-1.0.1i-54.14.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP1:libopenssl1_0_0-hmac-1.0.1i-54.14.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP1:libopenssl1_0_0-hmac-1.0.1i-54.14.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP1:libopenssl1_0_0-hmac-32bit-1.0.1i-54.14.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP1:openssl-1.0.1i-54.14.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP1:openssl-1.0.1i-54.14.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP1:openssl-doc-1.0.1i-54.14.1.noarch	—	Vendor Fix

Threats

Impact important

References

18 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://www.suse.com/support/update/announcement/…	self
https://lists.suse.com/pipermail/sle-security-upd…	self
https://bugzilla.suse.com/1097158	self
https://bugzilla.suse.com/1097624	self
https://bugzilla.suse.com/1098592	self
https://www.suse.com/security/cve/CVE-2018-0732/	self
https://www.suse.com/security/cve/CVE-2018-0732	external
https://bugzilla.suse.com/1077628	external
https://bugzilla.suse.com/1097158	external
https://bugzilla.suse.com/1099502	external
https://bugzilla.suse.com/1106692	external
https://bugzilla.suse.com/1108542	external
https://bugzilla.suse.com/1110163	external
https://bugzilla.suse.com/1112097	external
https://bugzilla.suse.com/1122198	external
https://bugzilla.suse.com/1148697	external

JSON

To clipboard

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  "vulnerabilities": [
    {
      "cve": "CVE-2018-0732",
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        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-0732"
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        {
          "category": "general",
          "text": "During key agreement in a TLS handshake using a DH(E) based ciphersuite a malicious server can send a very large prime value to the client. This will cause the client to spend an unreasonably long period of time generating a key for this prime resulting in a hang until the client has finished. This could be exploited in a Denial Of Service attack. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2-1.0.2o).",
          "title": "CVE description"
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      ],
      "threats": [
        {
          "category": "impact",
          "date": "2018-07-16T06:27:28Z",
          "details": "important"
        }
      ],
      "title": "CVE-2018-0732"
    }
  ]
}

CVE-2018-0732 (GCVE-0-2018-0732)

Vulnerability from cvelistv5 – Published: 2018-06-12 13:00 – Updated: 2024-09-17 02:11

Title

Client DoS due to large DH parameter

Summary

During key agreement in a TLS handshake using a DH(E) based ciphersuite a malicious server can send a very large prime value to the client. This will cause the client to spend an unreasonably long period of time generating a key for this prime resulting in a hang until the client has finished. This could be exploited in a Denial Of Service attack. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2-1.0.2o).

Severity

No CVSS data available.

CWE

Client side Denial of Service

Assigner

openssl mitre root

References

37 references

URL	Tags
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/104442	vdb-entryx_refsource_BID
https://www.debian.org/security/2018/dsa-4355	vendor-advisoryx_refsource_DEBIAN
https://access.redhat.com/errata/RHSA-2018:2552	vendor-advisoryx_refsource_REDHAT
https://security.gentoo.org/glsa/201811-03	vendor-advisoryx_refsource_GENTOO
https://usn.ubuntu.com/3692-2/	vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2018:2553	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:3505	vendor-advisoryx_refsource_REDHAT
https://usn.ubuntu.com/3692-1/	vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2018:3221	vendor-advisoryx_refsource_REDHAT
https://www.debian.org/security/2018/dsa-4348	vendor-advisoryx_refsource_DEBIAN
http://www.securitytracker.com/id/1041090	vdb-entryx_refsource_SECTRACK
https://access.redhat.com/errata/RHSA-2019:1297	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:1296	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:1543	vendor-advisoryx_refsource_REDHAT
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://www.oracle.com/security-alerts/cpuapr2020.html	x_refsource_MISC
http://www.oracle.com/technetwork/security-adviso…	x_refsource_CONFIRM
https://www.oracle.com/technetwork/security-advis…	x_refsource_CONFIRM
https://www.oracle.com/technetwork/security-advis…	x_refsource_MISC
https://www.oracle.com/technetwork/security-advis…	x_refsource_MISC
https://www.oracle.com/technetwork/security-advis…	x_refsource_MISC
https://www.oracle.com/security-alerts/cpujan2021.html	x_refsource_MISC
https://www.tenable.com/security/tns-2018-14	x_refsource_CONFIRM
https://securityadvisories.paloaltonetworks.com/H…	x_refsource_CONFIRM
https://www.tenable.com/security/tns-2018-13	x_refsource_CONFIRM
https://www.tenable.com/security/tns-2018-17	x_refsource_CONFIRM
https://www.tenable.com/security/tns-2018-12	x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2018110…	x_refsource_CONFIRM
https://nodejs.org/en/blog/vulnerability/august-2…	x_refsource_CONFIRM
https://git.openssl.org/gitweb/?p=openssl.git%3Ba…	x_refsource_CONFIRM
https://www.openssl.org/news/secadv/20180612.txt	x_refsource_CONFIRM
https://git.openssl.org/gitweb/?p=openssl.git%3Ba…	x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2019011…	x_refsource_CONFIRM
https://cert-portal.siemens.com/productcert/pdf/s…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
OpenSSL	OpenSSL	Affected: Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h) Affected: Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2-1.0.2o)

Date Public

2018-06-12 00:00

Credits

Guido Vranken

Show details on NVD website

JSON

To clipboard

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          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "name": "[debian-lts-announce] 20180728 [SECURITY] [DLA 1449-1] openssl security update",
            "tags": [
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            "name": "GLSA-201811-03",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
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            "tags": [
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              "name": "https://www.oracle.com/security-alerts/cpuapr2020.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/security-alerts/cpuapr2020.html"
            },
            {
              "name": "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html"
            },
            {
              "name": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html",
              "refsource": "CONFIRM",
              "url": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html"
            },
            {
              "name": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"
            },
            {
              "name": "https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html"
            },
            {
              "name": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"
            },
            {
              "name": "https://www.oracle.com/security-alerts/cpujan2021.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/security-alerts/cpujan2021.html"
            },
            {
              "name": "https://www.tenable.com/security/tns-2018-14",
              "refsource": "CONFIRM",
              "url": "https://www.tenable.com/security/tns-2018-14"
            },
            {
              "name": "https://securityadvisories.paloaltonetworks.com/Home/Detail/133",
              "refsource": "CONFIRM",
              "url": "https://securityadvisories.paloaltonetworks.com/Home/Detail/133"
            },
            {
              "name": "https://www.tenable.com/security/tns-2018-13",
              "refsource": "CONFIRM",
              "url": "https://www.tenable.com/security/tns-2018-13"
            },
            {
              "name": "https://www.tenable.com/security/tns-2018-17",
              "refsource": "CONFIRM",
              "url": "https://www.tenable.com/security/tns-2018-17"
            },
            {
              "name": "https://www.tenable.com/security/tns-2018-12",
              "refsource": "CONFIRM",
              "url": "https://www.tenable.com/security/tns-2018-12"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20181105-0001/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20181105-0001/"
            },
            {
              "name": "https://nodejs.org/en/blog/vulnerability/august-2018-security-releases/",
              "refsource": "CONFIRM",
              "url": "https://nodejs.org/en/blog/vulnerability/august-2018-security-releases/"
            },
            {
              "name": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=3984ef0b72831da8b3ece4745cac4f8575b19098",
              "refsource": "CONFIRM",
              "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=3984ef0b72831da8b3ece4745cac4f8575b19098"
            },
            {
              "name": "https://www.openssl.org/news/secadv/20180612.txt",
              "refsource": "CONFIRM",
              "url": "https://www.openssl.org/news/secadv/20180612.txt"
            },
            {
              "name": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=ea7abeeabf92b7aca160bdd0208636d4da69f4f4",
              "refsource": "CONFIRM",
              "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=ea7abeeabf92b7aca160bdd0208636d4da69f4f4"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20190118-0002/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20190118-0002/"
            },
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-419820.pdf",
              "refsource": "CONFIRM",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-419820.pdf"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
    "assignerShortName": "openssl",
    "cveId": "CVE-2018-0732",
    "datePublished": "2018-06-12T13:00:00.000Z",
    "dateReserved": "2017-11-30T00:00:00.000Z",
    "dateUpdated": "2024-09-17T02:11:18.325Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.