SUSE-SU-2021:2802-1: moderate: Security update for libmspack

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for libmspack
______________________________________________________________________________

Announcement ID:    SUSE-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:
                    SUSE MicroOS 5.0
                    SUSE Linux Enterprise Module for Basesystem 15-SP3
                    SUSE Linux Enterprise Module for Basesystem 15-SP2
______________________________________________________________________________

   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 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 MicroOS 5.0:

      zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-2802=1

   - SUSE Linux Enterprise Module for Basesystem 15-SP3:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-2802=1

   - SUSE Linux Enterprise Module for Basesystem 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-2802=1



Package List:

   - SUSE MicroOS 5.0 (x86_64):

      libmspack-debugsource-0.6-3.11.1
      libmspack0-0.6-3.11.1
      libmspack0-debuginfo-0.6-3.11.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP3 (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

   - SUSE Linux Enterprise Module for Basesystem 15-SP2 (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


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