CVE-2018-14679

medium

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).

References

https://www.debian.org/security/2018/dsa-4260

https://usn.ubuntu.com/3789-2/

https://usn.ubuntu.com/3728-3/

https://usn.ubuntu.com/3728-2/

https://usn.ubuntu.com/3728-1/

https://security.gentoo.org/glsa/201903-20

https://lists.debian.org/debian-lts-announce/2018/08/msg00007.html

https://github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312a

https://bugs.debian.org/904802

https://access.redhat.com/errata/RHSA-2018:3505

https://access.redhat.com/errata/RHSA-2018:3327

http://www.securitytracker.com/id/1041410

http://www.openwall.com/lists/oss-security/2018/07/26/1

Details

Source: Mitre, NVD

Published: 2018-07-28

Updated: 2021-04-26

Risk Information

CVSS v2

Base Score: 4.3

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

Severity: Medium

CVSS v3

Base Score: 6.5

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