Security update for python-PyYAML SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2022:2841-1 Final 1 1 2022-08-18T11:02:45Z current 2022-08-18T11:02:45Z 2022-08-18T11:02:45Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for python-PyYAML This update for python-PyYAML fixes the following issues: - CVE-2020-1747: Fixed an arbitrary code execution issue when parsing an untrusted YAML file with the default loader (bsc#1165439). - CVE-2020-14343: Completed the fix for CVE-2020-1747 (bsc#1174514). The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-2022-2841,SUSE-SLE-Module-Public-Cloud-15-2022-2841,SUSE-SLE-Product-HPC-15-2022-2841,SUSE-SLE-Product-SLES-15-2022-2841,SUSE-SLE-Product-SLES_SAP-15-2022-2841 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2022/suse-su-20222841-1/ Link for SUSE-SU-2022:2841-1 https://lists.suse.com/pipermail/sle-security-updates/2022-August/011943.html E-Mail link for SUSE-SU-2022:2841-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1165439 SUSE Bug 1165439 https://bugzilla.suse.com/1174514 SUSE Bug 1174514 https://www.suse.com/security/cve/CVE-2020-14343/ SUSE CVE CVE-2020-14343 page https://www.suse.com/security/cve/CVE-2020-1747/ SUSE CVE CVE-2020-1747 page SUSE Linux Enterprise High Performance Computing 15-ESPOS SUSE Linux Enterprise High Performance Computing 15-LTSS SUSE Linux Enterprise Module for Public Cloud 15 SUSE Linux Enterprise Server 15-LTSS SUSE Linux Enterprise Server for SAP Applications 15 python2-PyYAML-5.1.2-150000.3.6.1 python3-PyYAML-5.1.2-150000.3.6.1 python2-PyYAML-5.1.2-150000.3.6.1 as a component of SUSE Linux Enterprise High Performance Computing 15-ESPOS python3-PyYAML-5.1.2-150000.3.6.1 as a component of SUSE Linux Enterprise High Performance Computing 15-ESPOS python2-PyYAML-5.1.2-150000.3.6.1 as a component of SUSE Linux Enterprise High Performance Computing 15-LTSS python3-PyYAML-5.1.2-150000.3.6.1 as a component of SUSE Linux Enterprise High Performance Computing 15-LTSS python3-PyYAML-5.1.2-150000.3.6.1 as a component of SUSE Linux Enterprise Module for Public Cloud 15 python2-PyYAML-5.1.2-150000.3.6.1 as a component of SUSE Linux Enterprise Server 15-LTSS python3-PyYAML-5.1.2-150000.3.6.1 as a component of SUSE Linux Enterprise Server 15-LTSS python2-PyYAML-5.1.2-150000.3.6.1 as a component of SUSE Linux Enterprise Server for SAP Applications 15 python3-PyYAML-5.1.2-150000.3.6.1 as a component of SUSE Linux Enterprise Server for SAP Applications 15 A vulnerability was discovered in the PyYAML library in versions before 5.4, where it is susceptible to arbitrary code execution when it processes untrusted YAML files through the full_load method or with the FullLoader loader. Applications that use the library to process untrusted input may be vulnerable to this flaw. This flaw allows an attacker to execute arbitrary code on the system by abusing the python/object/new constructor. This flaw is due to an incomplete fix for CVE-2020-1747. CVE-2020-14343 SUSE Linux Enterprise High Performance Computing 15-ESPOS:python2-PyYAML-5.1.2-150000.3.6.1 SUSE Linux Enterprise High Performance Computing 15-ESPOS:python3-PyYAML-5.1.2-150000.3.6.1 SUSE Linux Enterprise High Performance Computing 15-LTSS:python2-PyYAML-5.1.2-150000.3.6.1 SUSE Linux Enterprise High Performance Computing 15-LTSS:python3-PyYAML-5.1.2-150000.3.6.1 SUSE Linux Enterprise Module for Public Cloud 15:python3-PyYAML-5.1.2-150000.3.6.1 SUSE Linux Enterprise Server 15-LTSS:python2-PyYAML-5.1.2-150000.3.6.1 SUSE Linux Enterprise Server 15-LTSS:python3-PyYAML-5.1.2-150000.3.6.1 SUSE Linux Enterprise Server for SAP Applications 15:python2-PyYAML-5.1.2-150000.3.6.1 SUSE Linux Enterprise Server for SAP Applications 15:python3-PyYAML-5.1.2-150000.3.6.1 important 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/2022/suse-su-20222841-1/ https://www.suse.com/security/cve/CVE-2020-14343.html CVE-2020-14343 https://bugzilla.suse.com/1174514 SUSE Bug 1174514 A vulnerability was discovered in the PyYAML library in versions before 5.3.1, where it is susceptible to arbitrary code execution when it processes untrusted YAML files through the full_load method or with the FullLoader loader. Applications that use the library to process untrusted input may be vulnerable to this flaw. An attacker could use this flaw to execute arbitrary code on the system by abusing the python/object/new constructor. CVE-2020-1747 SUSE Linux Enterprise High Performance Computing 15-ESPOS:python2-PyYAML-5.1.2-150000.3.6.1 SUSE Linux Enterprise High Performance Computing 15-ESPOS:python3-PyYAML-5.1.2-150000.3.6.1 SUSE Linux Enterprise High Performance Computing 15-LTSS:python2-PyYAML-5.1.2-150000.3.6.1 SUSE Linux Enterprise High Performance Computing 15-LTSS:python3-PyYAML-5.1.2-150000.3.6.1 SUSE Linux Enterprise Module for Public Cloud 15:python3-PyYAML-5.1.2-150000.3.6.1 SUSE Linux Enterprise Server 15-LTSS:python2-PyYAML-5.1.2-150000.3.6.1 SUSE Linux Enterprise Server 15-LTSS:python3-PyYAML-5.1.2-150000.3.6.1 SUSE Linux Enterprise Server for SAP Applications 15:python2-PyYAML-5.1.2-150000.3.6.1 SUSE Linux Enterprise Server for SAP Applications 15:python3-PyYAML-5.1.2-150000.3.6.1 important 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/2022/suse-su-20222841-1/ https://www.suse.com/security/cve/CVE-2020-1747.html CVE-2020-1747 https://bugzilla.suse.com/1165439 SUSE Bug 1165439 https://bugzilla.suse.com/1174514 SUSE Bug 1174514