VAR-202112-2011

Vulnerability from variot - Updated: 2026-04-10 22:05

Apache Log4j2 versions 2.0-beta7 through 2.17.0 (excluding security fix releases 2.3.2 and 2.12.4) are vulnerable to a remote code execution (RCE) attack when a configuration uses a JDBC Appender with a JNDI LDAP data source URI when an attacker has control of the target LDAP server. This issue is fixed by limiting JNDI data source names to the java protocol in Log4j2 versions 2.17.1, 2.12.4, and 2.3.2. Apache Log4j is a Java-based open source logging tool of the Apache Foundation. Apache Log4j2 2.0-beta7 to 2.17.0 versions have a security vulnerability, which stems from the lack of effective protection and filtering for JDBC Appender and JNDI in the software. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256

===================================================================== Red Hat Security Advisory

Synopsis: Moderate: Red Hat Data Grid 8.2.3 security update Advisory ID: RHSA-2022:0205-01 Product: Red Hat JBoss Data Grid Advisory URL: https://access.redhat.com/errata/RHSA-2022:0205 Issue date: 2022-01-20 CVE Names: CVE-2021-44832 CVE-2021-45046 CVE-2021-45105 =====================================================================

  1. Summary:

An update for Red Hat Data Grid is now available.

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.

  1. Description:

Red Hat Data Grid is an in-memory, distributed, NoSQL datastore solution. It increases application response times and allows for dramatically improving performance while providing availability, reliability, and elastic scale.

Data Grid 8.2.3 replaces Data Grid 8.2.2 and includes bug fixes and enhancements. Find out more about Data Grid 8.2.3 in the Release Notes [3].

Security Fix(es):

  • log4j-core: remote code execution via JDBC Appender (CVE-2021-44832)

  • log4j-core: DoS in log4j 2.x with thread context message pattern and context lookup pattern (incomplete fix for CVE-2021-44228) (CVE-2021-45046)

  • log4j-core: DoS in log4j 2.x with Thread Context Map (MDC) input data contains a recursive lookup and context lookup pattern (CVE-2021-45105)

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.

  1. Solution:

To install this update, do the following:

  1. Download the Data Grid 8.2.3 server patch from the customer portal[²].
  2. Back up your existing Data Grid installation. You should back up databases, configuration files, and so on.
  3. Install the Data Grid 8.2.3 server patch. Refer to the 8.2.3 Release Notes[³] for patching instructions.
  4. Restart Data Grid to ensure the changes take effect.

  5. Bugs fixed (https://bugzilla.redhat.com/):

2032580 - CVE-2021-45046 log4j-core: DoS in log4j 2.x with thread context message pattern and context lookup pattern (incomplete fix for CVE-2021-44228) 2034067 - CVE-2021-45105 log4j-core: DoS in log4j 2.x with Thread Context Map (MDC) input data contains a recursive lookup and context lookup pattern 2035951 - CVE-2021-44832 log4j-core: remote code execution via JDBC Appender

  1. References:

https://access.redhat.com/security/cve/CVE-2021-44832 https://access.redhat.com/security/cve/CVE-2021-45046 https://access.redhat.com/security/cve/CVE-2021-45105 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?downloadType=securityPatches&product=data.grid&version=8.2 https://access.redhat.com/documentation/en-us/red_hat_data_grid/8.2/html-single/red_hat_data_grid_8.2_release_notes/index

  1. Contact:

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1

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-- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce . The purpose of this text-only errata is to inform you about the security issues fixed. Solution:

Before applying this update, make sure all previously released errata relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

  1. Description:

Red Hat AMQ Streams, based on the Apache Kafka project, offers a distributed backbone that allows microservices and other applications to share data with extremely high throughput and extremely low latency.

The References section of this erratum contains a download link (you must log in to download the update). Bugs fixed (https://bugzilla.redhat.com/):

2034388 - CVE-2021-4178 kubernetes-client: Insecure deserialization in unmarshalYaml method 2035951 - CVE-2021-44832 log4j-core: remote code execution via JDBC Appender 2041949 - CVE-2022-23302 log4j: Remote code execution in Log4j 1.x when application is configured to use JMSSink 2041959 - CVE-2022-23305 log4j: SQL injection in Log4j 1.x when application is configured to use JDBCAppender 2041967 - CVE-2022-23307 log4j: Unsafe deserialization flaw in Chainsaw log viewer

  1. JIRA issues fixed (https://issues.jboss.org/):

LOG-2104 - fluentd crashing after upgrade to openshift-logging 5.2.4-17

  1. Bugs fixed (https://bugzilla.redhat.com/):

1985223 - CVE-2021-34429 jetty: crafted URIs allow bypassing security constraints 2004133 - CVE-2021-37136 netty-codec: Bzip2Decoder doesn't allow setting size restrictions for decompressed data 2004135 - CVE-2021-37137 netty-codec: SnappyFrameDecoder doesn't restrict chunk length and may buffer skippable chunks in an unnecessary way 2009041 - CVE-2021-38153 Kafka: Timing Attack Vulnerability for Apache Kafka Connect and Clients 2035951 - CVE-2021-44832 log4j-core: remote code execution via JDBC Appender

This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.6.54.

All OpenShift Container Platform 4.6 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift Console or the CLI oc command. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.6/updating/updating-cluster-between-minor.html#understanding-upgrade-channels_updating-cluster-between-minor

  1. Solution:

For OpenShift Container Platform 4.6 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:

https://docs.openshift.com/container-platform/4.6/release_notes/ocp-4-6-release-notes.html

Details on how to access this content are available at https://docs.openshift.com/container-platform/4.6/updating/updating-cluster-cli.html

  1. Bugs fixed (https://bugzilla.redhat.com/):

1985826 - The elasticsearch-im-xxx job failed when trying to start index management process for a non-existent(empty-named) index 2034412 - Elasticsearch rejects logs with resourceVersion larger than int32 2035951 - CVE-2021-44832 log4j-core: remote code execution via JDBC Appender

5

Show details on source website

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    "data": "Apache Log4j2 versions 2.0-beta7 through 2.17.0 (excluding security fix releases 2.3.2 and 2.12.4) are vulnerable to a remote code execution (RCE) attack when a configuration uses a JDBC Appender with a JNDI LDAP data source URI when an attacker has control of the target LDAP server. This issue is fixed by limiting JNDI data source names to the java protocol in Log4j2 versions 2.17.1, 2.12.4, and 2.3.2. Apache Log4j is a Java-based open source logging tool of the Apache Foundation. Apache Log4j2 2.0-beta7 to 2.17.0 versions have a security vulnerability, which stems from the lack of effective protection and filtering for JDBC Appender and JNDI in the software. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n=====================================================================\n                   Red Hat Security Advisory\n\nSynopsis:          Moderate: Red Hat Data Grid 8.2.3 security update\nAdvisory ID:       RHSA-2022:0205-01\nProduct:           Red Hat JBoss Data Grid\nAdvisory URL:      https://access.redhat.com/errata/RHSA-2022:0205\nIssue date:        2022-01-20\nCVE Names:         CVE-2021-44832 CVE-2021-45046 CVE-2021-45105 \n=====================================================================\n\n1. Summary:\n\nAn update for Red Hat Data Grid is now available. \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. Description:\n\nRed Hat Data Grid is an in-memory, distributed, NoSQL datastore solution. \nIt increases application response times and allows for dramatically\nimproving performance while providing availability, reliability, and\nelastic scale. \n \nData Grid 8.2.3 replaces Data Grid 8.2.2 and includes bug fixes and\nenhancements. Find out more about Data Grid 8.2.3 in the Release Notes [3]. \n\nSecurity Fix(es):\n\n* log4j-core: remote code execution via JDBC Appender (CVE-2021-44832)\n\n* log4j-core: DoS in log4j 2.x with thread context message pattern and\ncontext lookup pattern (incomplete fix for CVE-2021-44228) (CVE-2021-45046)\n\n* log4j-core: DoS in log4j 2.x with Thread Context Map (MDC) input data\ncontains a recursive lookup and context lookup pattern (CVE-2021-45105)\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\n3. Solution:\n\nTo install this update, do the following:\n \n1. Download the Data Grid 8.2.3 server patch from the customer portal[\u00b2]. \n2. Back up your existing Data Grid installation. You should back up\ndatabases, configuration files, and so on. \n3. Install the Data Grid 8.2.3 server patch. Refer to the 8.2.3 Release\nNotes[\u00b3] for patching instructions. \n4. Restart Data Grid to ensure the changes take effect. \n\n4. Bugs fixed (https://bugzilla.redhat.com/):\n\n2032580 - CVE-2021-45046 log4j-core: DoS in log4j 2.x with thread context message pattern and context lookup pattern (incomplete fix for CVE-2021-44228)\n2034067 - CVE-2021-45105 log4j-core: DoS in log4j 2.x with Thread Context Map (MDC) input data contains a recursive lookup and context lookup pattern\n2035951 - CVE-2021-44832 log4j-core: remote code execution via JDBC Appender\n\n5. References:\n\nhttps://access.redhat.com/security/cve/CVE-2021-44832\nhttps://access.redhat.com/security/cve/CVE-2021-45046\nhttps://access.redhat.com/security/cve/CVE-2021-45105\nhttps://access.redhat.com/security/updates/classification/#moderate\nhttps://access.redhat.com/jbossnetwork/restricted/listSoftware.html?downloadType=securityPatches\u0026product=data.grid\u0026version=8.2\nhttps://access.redhat.com/documentation/en-us/red_hat_data_grid/8.2/html-single/red_hat_data_grid_8.2_release_notes/index\n\n6. 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 2022 Red Hat, Inc. \n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1\n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\nQiLGYFSmmLk=\n=y5SE\n-----END PGP SIGNATURE-----\n\n--\nRHSA-announce mailing list\nRHSA-announce@redhat.com\nhttps://listman.redhat.com/mailman/listinfo/rhsa-announce\n. The purpose of this text-only errata is to inform you\nabout the security issues fixed. Solution:\n\nBefore applying this update, make sure all previously released errata\nrelevant to your system have been applied. \n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258\n\n4. Description:\n\nRed Hat AMQ Streams, based on the Apache Kafka project, offers a\ndistributed backbone that allows microservices and other applications to\nshare data with extremely high throughput and extremely low latency. \n\nThe References section of this erratum contains a download link (you must\nlog in to download the update). Bugs fixed (https://bugzilla.redhat.com/):\n\n2034388 - CVE-2021-4178 kubernetes-client: Insecure deserialization in unmarshalYaml method\n2035951 - CVE-2021-44832 log4j-core: remote code execution via JDBC Appender\n2041949 - CVE-2022-23302 log4j: Remote code execution in Log4j 1.x when application is configured to use JMSSink\n2041959 - CVE-2022-23305 log4j: SQL injection in Log4j 1.x when application is configured to use JDBCAppender\n2041967 - CVE-2022-23307 log4j: Unsafe deserialization flaw in Chainsaw log viewer\n\n5. JIRA issues fixed (https://issues.jboss.org/):\n\nLOG-2104 - fluentd crashing after upgrade to openshift-logging 5.2.4-17\n\n6. Bugs fixed (https://bugzilla.redhat.com/):\n\n1985223 - CVE-2021-34429 jetty: crafted URIs allow bypassing security constraints\n2004133 - CVE-2021-37136 netty-codec: Bzip2Decoder doesn\u0027t allow setting size restrictions for decompressed data\n2004135 - CVE-2021-37137 netty-codec: SnappyFrameDecoder doesn\u0027t restrict chunk length and may buffer skippable chunks in an unnecessary way\n2009041 - CVE-2021-38153 Kafka: Timing Attack Vulnerability for Apache Kafka Connect and Clients\n2035951 - CVE-2021-44832 log4j-core: remote code execution via JDBC Appender\n\n5. \n\nThis advisory contains the RPM packages for Red Hat OpenShift Container\nPlatform 4.6.54. \n\nAll OpenShift Container Platform 4.6 users are advised to upgrade to these\nupdated packages and images when they are available in the appropriate\nrelease channel. To check for available updates, use the OpenShift Console\nor the CLI oc command. Instructions for upgrading a cluster are available\nat\nhttps://docs.openshift.com/container-platform/4.6/updating/updating-cluster-between-minor.html#understanding-upgrade-channels_updating-cluster-between-minor\n\n3. Solution:\n\nFor OpenShift Container Platform 4.6 see the following documentation, which\nwill be updated shortly for this release, for important instructions on how\nto upgrade your cluster and fully apply this asynchronous errata update:\n\nhttps://docs.openshift.com/container-platform/4.6/release_notes/ocp-4-6-release-notes.html\n\nDetails on how to access this content are available at\nhttps://docs.openshift.com/container-platform/4.6/updating/updating-cluster-cli.html\n\n4. Bugs fixed (https://bugzilla.redhat.com/):\n\n1985826 - The elasticsearch-im-xxx job failed when trying to start index management process for a non-existent(empty-named) index\n2034412 - Elasticsearch rejects logs with resourceVersion larger than int32\n2035951 - CVE-2021-44832 log4j-core: remote code execution via JDBC Appender\n\n5",
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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.


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