Amazon Linux 2 Security Advisory: ALAS-2019-1310
Advisory Release Date: 2019-10-08 21:55 Pacific
Advisory Updated Date: 2019-10-09 23:19 Pacific
Severity:
Medium
Issue Overview:
In mspack/cab.h in libmspack before 0.8alpha and cabextract before 1.8, the CAB block input buffer is one byte too small for the maximal Quantum block, leading to an out-of-bounds write.(CVE-2018-18584)
chmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\\0' as its first or second character (such as the "/\\0" name).(CVE-2018-18585)
Affected Packages:
libmspack
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update libmspack to update your system.
New Packages:
aarch64:
libmspack-0.5-0.7.alpha.amzn2.aarch64
libmspack-devel-0.5-0.7.alpha.amzn2.aarch64
libmspack-debuginfo-0.5-0.7.alpha.amzn2.aarch64
i686:
libmspack-0.5-0.7.alpha.amzn2.i686
libmspack-devel-0.5-0.7.alpha.amzn2.i686
libmspack-debuginfo-0.5-0.7.alpha.amzn2.i686
src:
libmspack-0.5-0.7.alpha.amzn2.src
x86_64:
libmspack-0.5-0.7.alpha.amzn2.x86_64
libmspack-devel-0.5-0.7.alpha.amzn2.x86_64
libmspack-debuginfo-0.5-0.7.alpha.amzn2.x86_64