CVE-2018-14681 Information

Description

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.

CVSS Vector

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

Reference

http://www.openwall.com/lists/oss-security/2018/07/26/1 http://www.securitytracker.com/id/1041410 https://access.redhat.com/errata/RHSA-2018:3327 https://access.redhat.com/errata/RHSA-2018:3505 https://bugs.debian.org/904799 https://github.com/kyz/libmspack/commit/0b0ef9344255ff5acfac6b7af09198ac9c9756c8 https://lists.debian.org/debian-lts-announce/2018/08/msg00007.html https://security.gentoo.org/glsa/201903-20 https://usn.ubuntu.com/3728-1/ https://usn.ubuntu.com/3728-2/ https://usn.ubuntu.com/3728-3/ https://usn.ubuntu.com/3789-2/ https://www.debian.org/security/2018/dsa-4260

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8