Security update for libmspack

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: