CVE-2018-14679

Public on 2018-07-28

Modified on 2019-01-25

Description

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).

Severity

Low

See what this means

CVSS v3 Base Score

4.0

See breakdown

Affected Packages

Platform	Package	Release Date	Advisory
Amazon Linux 1	clamav	2019-01-09 22:56	ALAS-2019-1146
Amazon Linux 2 - Core	libmspack	2019-01-23 23:27	ALAS2-2019-1152

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	4.0	CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD	CVSSv2	4.3	AV:N/AC:M/Au:N/C:N/I:N/A:P
NVD	CVSSv3	6.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Red Hat: CVE-2018-14679 Mitre: CVE-2018-14679 FAQs regarding Amazon Linux ALAS/CVE Severity