Security update for libmspack

SUSE Security Update: Security update for libmspack
Announcement ID: SUSE-SU-2019:0748-1
Rating: moderate
References: #1113038 #1113039
Cross-References: CVE-2018-18584 CVE-2018-18585
Affected Products:
  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15
  • SUSE Linux Enterprise Module for Basesystem 15

An update that fixes two vulnerabilities is now available.

Description:

This update for libmspack fixes the following issues:
Security issues fixed:

  • 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 Module for Open Buildservice Development Tools 15:
    zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2019-748=1
  • SUSE Linux Enterprise Module for Basesystem 15:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-2019-748=1

Package List:

  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 (aarch64 ppc64le s390x x86_64):
    • libmspack-debugsource-0.6-3.3.11
    • mspack-tools-0.6-3.3.11
    • mspack-tools-debuginfo-0.6-3.3.11
  • SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x x86_64):
    • libmspack-debugsource-0.6-3.3.11
    • libmspack-devel-0.6-3.3.11
    • libmspack0-0.6-3.3.11
    • libmspack0-debuginfo-0.6-3.3.11

References: