Security update for libmspack

Announcement ID: SUSE-SU-2019:0748-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2018-18584 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2018-18584 ( NVD ): 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2018-18585 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  • CVE-2018-18585 ( NVD ): 4.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Affected Products:
  • Basesystem Module 15
  • SUSE Linux Enterprise Desktop 15
  • SUSE Linux Enterprise High Performance Computing 15
  • SUSE Linux Enterprise Server 15
  • SUSE Linux Enterprise Server for SAP Applications 15

An update that solves two vulnerabilities can now be installed.

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 update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • Basesystem Module 15
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-2019-748=1

Package List:

  • Basesystem Module 15 (aarch64 ppc64le s390x x86_64)
    • libmspack-debugsource-0.6-3.3.11
    • libmspack0-0.6-3.3.11
    • libmspack0-debuginfo-0.6-3.3.11
    • libmspack-devel-0.6-3.3.11

References: