SUSE Security Update: Security update for libmspack
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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
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   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:

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

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