Out-of-bounds Write Affecting libmspack package, versions <0:0.5-0.6.alpha.el7


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.72% (81st percentile)

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  • Snyk IDSNYK-RHEL7-LIBMSPACK-4863853
  • published26 Jul 2021
  • disclosed26 Nov 2017

Introduced: 26 Nov 2017

CVE-2018-14681  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade RHEL:7 libmspack to version 0:0.5-0.6.alpha.el7 or higher.
This issue was patched in RHSA-2018:3327.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libmspack package and not the libmspack package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

An issue was discovered in kwajd_read_headers in mspack/kwajd.c in libmspack before 0.7alpha. Bad KWAJ file header extensions could cause a one or two byte overwrite.