openSUSE Security Update: Security update for libmspack ______________________________________________________________________________ Announcement ID: openSUSE-SU-2021:2802-1 Rating: moderate References: #1103032 Cross-References: CVE-2018-14679 CVE-2018-14681 CVE-2018-14682 CVSS scores: CVE-2018-14679 (NVD) : 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2018-14679 (SUSE): 4.4 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L CVE-2018-14681 (NVD) : 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2018-14681 (SUSE): 4.4 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L CVE-2018-14682 (NVD) : 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2018-14682 (SUSE): 4.4 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L Affected Products: openSUSE Leap 15.3 ______________________________________________________________________________ An update that fixes three vulnerabilities is now available. Description: This update for libmspack fixes the following issues: - CVE-2018-14681: Bad KWAJ file header extensions could cause a one or two byte overwrite. (bsc#1103032) - CVE-2018-14682: There is an off-by-one error in the TOLOWER() macro for CHM decompression. (bsc#1103032) - CVE-2018-14679: There is an off-by-one error in the CHM PMGI/PMGL chunk number validity checks, which could lead to denial of service. (bsc#1103032) 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 15.3: zypper in -t patch openSUSE-SLE-15.3-2021-2802=1 Package List: - openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64): libmspack-debugsource-0.6-3.11.1 libmspack-devel-0.6-3.11.1 libmspack0-0.6-3.11.1 libmspack0-debuginfo-0.6-3.11.1 mspack-tools-0.6-3.11.1 mspack-tools-debuginfo-0.6-3.11.1 - openSUSE Leap 15.3 (x86_64): libmspack0-32bit-0.6-3.11.1 libmspack0-32bit-debuginfo-0.6-3.11.1 References: https://www.suse.com/security/cve/CVE-2018-14679.html https://www.suse.com/security/cve/CVE-2018-14681.html https://www.suse.com/security/cve/CVE-2018-14682.html https://bugzilla.suse.com/1103032