CVE-2016-5384 Information

Description

fontconfig before 2.12.1 does not validate offsets which allows local users to trigger arbitrary free calls and consequently conduct double free attacks and execute arbitrary code via a crafted cache file.

CVSS Vector

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

Reference

http://rhn.redhat.com/errata/RHSA-2016-2601.html http://www.debian.org/security/2016/dsa-3644 http://www.securityfocus.com/bid/92339 http://www.ubuntu.com/usn/USN-3063-1 https://cgit.freedesktop.org/fontconfig/commit/?id=7a4a5bd7897d216f0794ca9dbce0a4a5c9d14940 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6CJ45VRAMCIISHOVKFVOQYQUSTUJP7FC/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GGOS4YYB7UYAWX5AEXJZHDIX4ZMSXSW5/ https://lists.freedesktop.org/archives/fontconfig/2016-August/005792.html

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8