openSUSE Security Update: Security update for libxml2 ______________________________________________________________________________ Announcement ID: openSUSE-SU-2018:3107-1 Rating: moderate References: #1088279 #1088601 #1102046 #1105166 Cross-References: CVE-2017-18258 CVE-2018-14404 CVE-2018-14567 CVE-2018-9251 Affected Products: openSUSE Leap 42.3 ______________________________________________________________________________ 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). This update was imported from the SUSE:SLE-12-SP2:Update update project. Patch Instructions: To install this openSUSE 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: - openSUSE Leap 42.3: zypper in -t patch openSUSE-2018-1149=1 Package List: - openSUSE Leap 42.3 (i586 x86_64): libxml2-2-2.9.4-18.1 libxml2-2-debuginfo-2.9.4-18.1 libxml2-debugsource-2.9.4-18.1 libxml2-devel-2.9.4-18.1 libxml2-tools-2.9.4-18.1 libxml2-tools-debuginfo-2.9.4-18.1 python-libxml2-2.9.4-18.1 python-libxml2-debuginfo-2.9.4-18.1 python-libxml2-debugsource-2.9.4-18.1 - openSUSE Leap 42.3 (x86_64): libxml2-2-32bit-2.9.4-18.1 libxml2-2-debuginfo-32bit-2.9.4-18.1 libxml2-devel-32bit-2.9.4-18.1 - openSUSE Leap 42.3 (noarch): libxml2-doc-2.9.4-18.1 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 -- To unsubscribe, e-mail: opensuse-security-announce+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-security-announce+help@opensuse.org