-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: log4j security update Advisory ID: RHSA-2021:5206-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:5206 Issue date: 2021-12-20 CVE Names: CVE-2021-4104 ==================================================================== 1. Summary: An update for log4j is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 7.3 Advanced Update Support, Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.6 Advanced Update Support, Red Hat Enterprise Linux 7.6 Telco Extended Update Support, Red Hat Enterprise Linux 7.6 Update Services for SAP Solutions, Red Hat Enterprise Linux 7.7 Advanced Update Support, Red Hat Enterprise Linux 7.7 Telco Extended Update Support, and Red Hat Enterprise Linux 7.7 Update Services for SAP Solutions. 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. 2. Relevant releases/architectures: Red Hat Enterprise Linux Client (v. 7) - noarch Red Hat Enterprise Linux Client Optional (v. 7) - noarch Red Hat Enterprise Linux ComputeNode (v. 7) - noarch Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch Red Hat Enterprise Linux Server (v. 6 ELS) - i386, s390x, x86_64 Red Hat Enterprise Linux Server (v. 7) - noarch Red Hat Enterprise Linux Server AUS (v. 7.3) - noarch Red Hat Enterprise Linux Server AUS (v. 7.4) - noarch Red Hat Enterprise Linux Server AUS (v. 7.6) - noarch Red Hat Enterprise Linux Server AUS (v. 7.7) - noarch Red Hat Enterprise Linux Server E4S (v. 7.6) - noarch Red Hat Enterprise Linux Server E4S (v. 7.7) - noarch Red Hat Enterprise Linux Server Optional (v. 6 ELS) - i386, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - noarch Red Hat Enterprise Linux Server Optional AUS (v. 7.3) - noarch Red Hat Enterprise Linux Server Optional AUS (v. 7.4) - noarch Red Hat Enterprise Linux Server Optional AUS (v. 7.6) - noarch Red Hat Enterprise Linux Server Optional AUS (v. 7.7) - noarch Red Hat Enterprise Linux Server Optional E4S (v. 7.6) - noarch Red Hat Enterprise Linux Server Optional TUS (v. 7.6) - noarch Red Hat Enterprise Linux Server Optional TUS (v. 7.7) - noarch Red Hat Enterprise Linux Server TUS (v. 7.6) - noarch Red Hat Enterprise Linux Server TUS (v. 7.7) - noarch Red Hat Enterprise Linux Workstation (v. 7) - noarch Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch 3. Description: Log4j is a tool to help the programmer output log statements to a variety of output targets. Security Fix(es): * log4j: Remote code execution in Log4j 1.x when application is configured to use JMSAppender (CVE-2021-4104) 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. 4. 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 5. Bugs fixed (https://bugzilla.redhat.com/): 2031667 - CVE-2021-4104 log4j: Remote code execution in Log4j 1.x when application is configured to use JMSAppender 6. Package List: Red Hat Enterprise Linux Server (v. 6 ELS): Source: log4j-1.2.14-6.5.el6_10.src.rpm i386: log4j-1.2.14-6.5.el6_10.i686.rpm log4j-debuginfo-1.2.14-6.5.el6_10.i686.rpm s390x: log4j-1.2.14-6.5.el6_10.s390x.rpm log4j-debuginfo-1.2.14-6.5.el6_10.s390x.rpm x86_64: log4j-1.2.14-6.5.el6_10.x86_64.rpm log4j-debuginfo-1.2.14-6.5.el6_10.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 6 ELS): i386: log4j-debuginfo-1.2.14-6.5.el6_10.i686.rpm log4j-javadoc-1.2.14-6.5.el6_10.i686.rpm log4j-manual-1.2.14-6.5.el6_10.i686.rpm s390x: log4j-debuginfo-1.2.14-6.5.el6_10.s390x.rpm log4j-javadoc-1.2.14-6.5.el6_10.s390x.rpm log4j-manual-1.2.14-6.5.el6_10.s390x.rpm x86_64: log4j-debuginfo-1.2.14-6.5.el6_10.x86_64.rpm log4j-javadoc-1.2.14-6.5.el6_10.x86_64.rpm log4j-manual-1.2.14-6.5.el6_10.x86_64.rpm Red Hat Enterprise Linux Client (v. 7): Source: log4j-1.2.17-17.el7_4.src.rpm noarch: log4j-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Client Optional (v. 7): noarch: log4j-javadoc-1.2.17-17.el7_4.noarch.rpm log4j-manual-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: log4j-1.2.17-17.el7_4.src.rpm noarch: log4j-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): noarch: log4j-javadoc-1.2.17-17.el7_4.noarch.rpm log4j-manual-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Server AUS (v. 7.3): Source: log4j-1.2.17-16.el7_3.src.rpm noarch: log4j-1.2.17-16.el7_3.noarch.rpm Red Hat Enterprise Linux Server AUS (v. 7.4): Source: log4j-1.2.17-17.el7_4.src.rpm noarch: log4j-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Server AUS (v. 7.6): Source: log4j-1.2.17-17.el7_4.src.rpm noarch: log4j-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Server E4S (v. 7.6): Source: log4j-1.2.17-17.el7_4.src.rpm noarch: log4j-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Server TUS (v. 7.6): Source: log4j-1.2.17-17.el7_4.src.rpm noarch: log4j-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Server AUS (v. 7.7): Source: log4j-1.2.17-17.el7_4.src.rpm noarch: log4j-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Server E4S (v. 7.7): Source: log4j-1.2.17-17.el7_4.src.rpm noarch: log4j-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Server TUS (v. 7.7): Source: log4j-1.2.17-17.el7_4.src.rpm noarch: log4j-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Server (v. 7): Source: log4j-1.2.17-17.el7_4.src.rpm noarch: log4j-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.3): noarch: log4j-javadoc-1.2.17-16.el7_3.noarch.rpm log4j-manual-1.2.17-16.el7_3.noarch.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.4): noarch: log4j-javadoc-1.2.17-17.el7_4.noarch.rpm log4j-manual-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.6): noarch: log4j-javadoc-1.2.17-17.el7_4.noarch.rpm log4j-manual-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Server Optional E4S (v. 7.6): noarch: log4j-javadoc-1.2.17-17.el7_4.noarch.rpm log4j-manual-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Server Optional TUS (v. 7.6): noarch: log4j-javadoc-1.2.17-17.el7_4.noarch.rpm log4j-manual-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.7): noarch: log4j-javadoc-1.2.17-17.el7_4.noarch.rpm log4j-manual-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Server Optional E4S (v. 7.6): noarch: log4j-javadoc-1.2.17-17.el7_4.noarch.rpm log4j-manual-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Server Optional TUS (v. 7.7): noarch: log4j-javadoc-1.2.17-17.el7_4.noarch.rpm log4j-manual-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Server Optional (v. 7): noarch: log4j-javadoc-1.2.17-17.el7_4.noarch.rpm log4j-manual-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: log4j-1.2.17-17.el7_4.src.rpm noarch: log4j-1.2.17-17.el7_4.noarch.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): noarch: log4j-javadoc-1.2.17-17.el7_4.noarch.rpm log4j-manual-1.2.17-17.el7_4.noarch.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/ 7. References: https://access.redhat.com/security/cve/CVE-2021-4104 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/security/vulnerabilities/RHSB-2021-009 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYcCXXtzjgjWX9erEAQho8Q/9Gzjv2xJEXWgK+uHPIFbHA61l0h3VFHrO LxVVwfIavbLvHWjFtXuY3VviPg2WRGRviaN8RzEl5vFi25TMewM5492fesRjG+bf 3o+pSwncYstFNp1CfD+j0ERXcIPKPNWuCFoKhM+MDe108V/kdMSL3avsVgUfanKw Ege0w2e5oDc1aJZD0GIrcO/t6eV+NEkh6FMrBR/gpFhSnoF74/A/1rtP1rkpyTez NlNkN7f/0O6qv+HjpzrAaVr5mjP8D0bG2JNThmu4QxlHmxYiKDF7mXC2yu7sItUe YCSOxSaUZ1Ce+0ozHgwTFJ5lv2iO1/x/KxN/qerlftg0Fs25CTzqBSVaTvmARmKe p84OcqVB8Yk2Wet8v1Yl7RxHsbCACvUZ0nFDIYY/jIqKD3vp9jBT77DBfg9yzhjv H+VDj789QdELqN9V4Mllm/9r1Zu5PRyfBTqfQwGxPZXoxW5DeXzmqRIHOhyIRgIZ aj/k/6lBFGjILPhBti3wyC+dAHDZQKnTuHGtAi2wDtuJ5Cl2vA4OA0V7Jb1f69od aiax9W53Y8yn4+Ue+FRbten1oOzsiav2jWwMg2+PyjCFtW0HBelj5yWZqZOjmctB 3Jfnj2V+7N29zLBkR2V/ziFfO8HrfOPXhAbqJuTtjaQW84CibsEi4u+2esw1YACE H8hIovl6fwg=FR6U -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce