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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.3061 Security update for libxml2 10 October 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libxml2 Publisher: SUSE Operating System: SUSE Impact/Access: Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2018-14567 CVE-2018-14404 CVE-2018-9251 CVE-2017-18258 Reference: ESB-2018.2923 ESB-2018.1777 ESB-2018.1765 Original Bulletin: https://www.suse.com/support/update/announcement/2018/suse-su-20183080-1.html https://www.suse.com/support/update/announcement/2018/suse-su-20183081-1.html Comment: This bulletin contains two (2) security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for libxml2 ______________________________________________________________________________ Announcement ID: SUSE-SU-2018:3080-1 Rating: moderate References: #1088279 #1102046 #1105166 Cross-References: CVE-2018-14404 CVE-2018-14567 CVE-2018-9251 Affected Products: SUSE Linux Enterprise Module for Basesystem 15 ______________________________________________________________________________ An update that fixes three vulnerabilities is now available. Description: This update for libxml2 fixes the following security issues: - CVE-2018-9251: The xz_decomp function allowed remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint (bsc#1088279) - CVE-2018-14567: Prevent denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint (bsc#1105166) - CVE-2018-14404: Prevent NULL pointer dereference in the xmlXPathCompOpEval() function when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case leading to a denial of service attack (bsc#1102046) Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Module for Basesystem 15: zypper in -t patch SUSE-SLE-Module-Basesystem-15-2018-2182=1 Package List: - SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x x86_64): libxml2-2-2.9.7-3.3.1 libxml2-2-debuginfo-2.9.7-3.3.1 libxml2-debugsource-2.9.7-3.3.1 libxml2-devel-2.9.7-3.3.1 libxml2-tools-2.9.7-3.3.1 libxml2-tools-debuginfo-2.9.7-3.3.1 python-libxml2-python-debugsource-2.9.7-3.3.1 python2-libxml2-python-2.9.7-3.3.1 python2-libxml2-python-debuginfo-2.9.7-3.3.1 python3-libxml2-python-2.9.7-3.3.1 python3-libxml2-python-debuginfo-2.9.7-3.3.1 - SUSE Linux Enterprise Module for Basesystem 15 (x86_64): libxml2-2-32bit-2.9.7-3.3.1 libxml2-2-32bit-debuginfo-2.9.7-3.3.1 References: https://www.suse.com/security/cve/CVE-2018-14404.html https://www.suse.com/security/cve/CVE-2018-14567.html https://www.suse.com/security/cve/CVE-2018-9251.html https://bugzilla.suse.com/1088279 https://bugzilla.suse.com/1102046 https://bugzilla.suse.com/1105166 _______________________________________________ ============================================================================ SUSE Security Update: Security update for libxml2 ______________________________________________________________________________ Announcement ID: SUSE-SU-2018:3081-1 Rating: moderate References: #1088279 #1088601 #1102046 #1105166 Cross-References: CVE-2017-18258 CVE-2018-14404 CVE-2018-14567 CVE-2018-9251 Affected Products: SUSE Linux Enterprise Software Development Kit 12-SP3 SUSE Linux Enterprise Server 12-SP3 SUSE Linux Enterprise Desktop 12-SP3 SUSE CaaS Platform ALL SUSE CaaS Platform 3.0 OpenStack Cloud Magnum Orchestration 7 ______________________________________________________________________________ An update that fixes four vulnerabilities is now available. Description: This update for libxml2 fixes the following security issues: - CVE-2018-9251: The xz_decomp function allowed remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint (bsc#1088279). - CVE-2018-14567: Prevent denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint (bsc#1105166). - CVE-2018-14404: Prevent NULL pointer dereference in the xmlXPathCompOpEval() function when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case leading to a denial of service attack (bsc#1102046). - CVE-2017-18258: The xz_head function allowed remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality did not restrict memory usage to what is required for a legitimate file (bsc#1088601). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Software Development Kit 12-SP3: zypper in -t patch SUSE-SLE-SDK-12-SP3-2018-2181=1 - SUSE Linux Enterprise Server 12-SP3: zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-2181=1 - SUSE Linux Enterprise Desktop 12-SP3: zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-2181=1 - SUSE CaaS Platform ALL: To install this update, use the SUSE CaaS Platform Velum dashboard. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way. - SUSE CaaS Platform 3.0: To install this update, use the SUSE CaaS Platform Velum dashboard. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way. - OpenStack Cloud Magnum Orchestration 7: zypper in -t patch SUSE-OpenStack-Cloud-Magnum-Orchestration-7-2018-2181=1 Package List: - SUSE Linux Enterprise Software Development Kit 12-SP3 (aarch64 ppc64le s390x x86_64): libxml2-debugsource-2.9.4-46.15.1 libxml2-devel-2.9.4-46.15.1 - SUSE Linux Enterprise Server 12-SP3 (aarch64 ppc64le s390x x86_64): libxml2-2-2.9.4-46.15.1 libxml2-2-debuginfo-2.9.4-46.15.1 libxml2-debugsource-2.9.4-46.15.1 libxml2-tools-2.9.4-46.15.1 libxml2-tools-debuginfo-2.9.4-46.15.1 python-libxml2-2.9.4-46.15.1 python-libxml2-debuginfo-2.9.4-46.15.1 python-libxml2-debugsource-2.9.4-46.15.1 - SUSE Linux Enterprise Server 12-SP3 (s390x x86_64): libxml2-2-32bit-2.9.4-46.15.1 libxml2-2-debuginfo-32bit-2.9.4-46.15.1 - SUSE Linux Enterprise Server 12-SP3 (noarch): libxml2-doc-2.9.4-46.15.1 - SUSE Linux Enterprise Desktop 12-SP3 (x86_64): libxml2-2-2.9.4-46.15.1 libxml2-2-32bit-2.9.4-46.15.1 libxml2-2-debuginfo-2.9.4-46.15.1 libxml2-2-debuginfo-32bit-2.9.4-46.15.1 libxml2-debugsource-2.9.4-46.15.1 libxml2-tools-2.9.4-46.15.1 libxml2-tools-debuginfo-2.9.4-46.15.1 python-libxml2-2.9.4-46.15.1 python-libxml2-debuginfo-2.9.4-46.15.1 python-libxml2-debugsource-2.9.4-46.15.1 - SUSE CaaS Platform ALL (x86_64): libxml2-2-2.9.4-46.15.1 libxml2-2-debuginfo-2.9.4-46.15.1 libxml2-debugsource-2.9.4-46.15.1 libxml2-tools-2.9.4-46.15.1 libxml2-tools-debuginfo-2.9.4-46.15.1 - SUSE CaaS Platform 3.0 (x86_64): libxml2-2-2.9.4-46.15.1 libxml2-2-debuginfo-2.9.4-46.15.1 libxml2-debugsource-2.9.4-46.15.1 libxml2-tools-2.9.4-46.15.1 libxml2-tools-debuginfo-2.9.4-46.15.1 - OpenStack Cloud Magnum Orchestration 7 (x86_64): libxml2-2-2.9.4-46.15.1 libxml2-2-debuginfo-2.9.4-46.15.1 libxml2-debugsource-2.9.4-46.15.1 References: https://www.suse.com/security/cve/CVE-2017-18258.html https://www.suse.com/security/cve/CVE-2018-14404.html https://www.suse.com/security/cve/CVE-2018-14567.html https://www.suse.com/security/cve/CVE-2018-9251.html https://bugzilla.suse.com/1088279 https://bugzilla.suse.com/1088601 https://bugzilla.suse.com/1102046 https://bugzilla.suse.com/1105166 _______________________________________________ - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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