Security update for log4j SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2021:14866-1 Final 1 1 2021-12-17T10:36:12Z current 2021-12-17T10:36:12Z 2021-12-17T10:36:12Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for log4j This update for log4j fixes the following issues: - CVE-2021-4104: Disable the JMSAppender class from log4j to protect against the log4jshell vulnerability. [bsc#1193662] The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). sleposp3-log4j-14866,slessp4-log4j-14866 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2021/suse-su-202114866-1/ Link for SUSE-SU-2021:14866-1 https://lists.suse.com/pipermail/sle-security-updates/2021-December/009915.html E-Mail link for SUSE-SU-2021:14866-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1193662 SUSE Bug 1193662 https://www.suse.com/security/cve/CVE-2021-4104/ SUSE CVE CVE-2021-4104 page SUSE Linux Enterprise Point of Sale 11 SP3 SUSE Linux Enterprise Server 11 SP4-LTSS log4j-1.2.15-26.32.17.1 log4j-1.2.15-26.32.17.1 as a component of SUSE Linux Enterprise Point of Sale 11 SP3 log4j-1.2.15-26.32.17.1 as a component of SUSE Linux Enterprise Server 11 SP4-LTSS JMSAppender in Log4j 1.2 is vulnerable to deserialization of untrusted data when the attacker has write access to the Log4j configuration. The attacker can provide TopicBindingName and TopicConnectionFactoryBindingName configurations causing JMSAppender to perform JNDI requests that result in remote code execution in a similar fashion to CVE-2021-44228. Note this issue only affects Log4j 1.2 when specifically configured to use JMSAppender, which is not the default. Apache Log4j 1.2 reached end of life in August 2015. Users should upgrade to Log4j 2 as it addresses numerous other issues from the previous versions. CVE-2021-4104 SUSE Linux Enterprise Point of Sale 11 SP3:log4j-1.2.15-26.32.17.1 SUSE Linux Enterprise Server 11 SP4-LTSS:log4j-1.2.15-26.32.17.1 important 6 AV:N/AC:M/Au:S/C:P/I:P/A:P To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2021/suse-su-202114866-1/ https://www.suse.com/security/cve/CVE-2021-4104.html CVE-2021-4104 https://bugzilla.suse.com/1193662 SUSE Bug 1193662 https://bugzilla.suse.com/1193978 SUSE Bug 1193978 https://bugzilla.suse.com/1194016 SUSE Bug 1194016 https://bugzilla.suse.com/1194842 SUSE Bug 1194842