Amazon Linux 2 : libmspack (ALAS-2019-1152)

Medium Nessus Plugin ID 121365

Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha.
There is an off-by-one error in the TOLOWER() macro for CHM decompression.(CVE-2018-14682)

An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha.
It does not reject blank CHM filenames.(CVE-2018-14680)

An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha.
There is an off-by-one error in the CHM PMGI/PMGL chunk number validity checks, which could lead to denial of service (uninitialized data dereference and application crash).(CVE-2018-14679)

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.(CVE-2018-14681)

Solution

Run 'yum update libmspack' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2019-1152.html

Plugin Details

Severity: Medium

ID: 121365

File Name: al2_ALAS-2019-1152.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2019/01/25

Updated: 2019/01/25

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:amazon:linux:libmspack, p-cpe:/a:amazon:linux:libmspack-debuginfo, p-cpe:/a:amazon:linux:libmspack-devel, cpe:/o:amazon:linux:2

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Patch Publication Date: 2019/01/25

Reference Information

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

ALAS: 2019-1152