RHEL 7 : libmspack (RHSA-2018:3327)

Medium Nessus Plugin ID 118541


The remote Red Hat host is missing one or more security updates.


An update for libmspack is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link (s) in the References section.

The libmspack packages contain a library providing compression and extraction of the Cabinet (CAB) file format used by Microsoft.

Security Fix(es) :

* libmspack: off-by-one error in the CHM PMGI/PMGL chunk number validity checks (CVE-2018-14679)

* libmspack: off-by-one error in the CHM chunk number validity checks (CVE-2018-14680)

* libmspack: out-of-bounds write in kwajd_read_headers in mspack/kwajd.c (CVE-2018-14681)

* libmspack: off-by-one error in the TOLOWER() macro for CHM decompression (CVE-2018-14682)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.


Update the affected libmspack, libmspack-debuginfo and / or libmspack-devel packages.

See Also







Plugin Details

Severity: Medium

ID: 118541

File Name: redhat-RHSA-2018-3327.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2018/10/31

Updated: 2018/11/10

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS v3.0

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:libmspack, p-cpe:/a:redhat:enterprise_linux:libmspack-debuginfo, p-cpe:/a:redhat:enterprise_linux:libmspack-devel, cpe:/o:redhat:enterprise_linux:7

Patch Publication Date: 2018/10/30

Reference Information

CVE: CVE-2018-14679, CVE-2018-14680, CVE-2018-14681, CVE-2018-14682

RHSA: 2018:3327