SUSE-SU-2020:2711-1: moderate: Security update for libmspack

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

   SUSE Security Update: Security update for libmspack
______________________________________________________________________________

Announcement ID:    SUSE-SU-2020:2711-1
Rating:             moderate
References:         #1113038 #1113039 #1130489 #1141680 
Cross-References:   CVE-2018-18584 CVE-2018-18585 CVE-2019-1010305
                   
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 12-SP5
                    SUSE Linux Enterprise Server 12-SP5
______________________________________________________________________________

   An update that solves three vulnerabilities and has one
   errata is now available.

Description:

   This update for libmspack fixes the following issues:

   Security issues fixed:

   - CVE-2019-1010305: Fixed a buffer overflow triggered by a crafted chm
     file which could have led to information disclosure (bsc#1141680).
   - CVE-2018-18584: The CAB block input buffer was one byte too small for
     the maximal Quantum block, leading to an out-of-bounds write.
     (bsc#1113038)
   - CVE-2018-18585: chmd_read_headers accepted a filename that has '\0' as
     its first or second character (such as the "/\0" name). (bsc#1113039)
   - Fix off-by-one bounds check on CHM PMGI/PMGL chunk numbers and reject
     empty filenames.


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-SP5:

      zypper in -t patch SUSE-SLE-SDK-12-SP5-2020-2711=1

   - SUSE Linux Enterprise Server 12-SP5:

      zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-2711=1



Package List:

   - SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 ppc64le s390x x86_64):

      libmspack-debugsource-0.4-15.7.1
      libmspack-devel-0.4-15.7.1

   - SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64):

      libmspack-debugsource-0.4-15.7.1
      libmspack0-0.4-15.7.1
      libmspack0-debuginfo-0.4-15.7.1


References:

   https://www.suse.com/security/cve/CVE-2018-18584.html
   https://www.suse.com/security/cve/CVE-2018-18585.html
   https://www.suse.com/security/cve/CVE-2019-1010305.html
   https://bugzilla.suse.com/1113038
   https://bugzilla.suse.com/1113039
   https://bugzilla.suse.com/1130489
   https://bugzilla.suse.com/1141680