NULL pointer dereference in GraphicsMagick - CVE-2017-11642
Published: July 26, 2017 / Updated: August 3, 2020
Vulnerability identifier: #VU33239
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-11642
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GraphicsMagick Group
Affected software:
GraphicsMagick
GraphicsMagick
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the WriteMAPImage() function in coders/map.c when processing a non-colormapped image, a different vulnerability than CVE-2017-11638. A remote attacker can perform a denial of service (DoS) attack.
How to mitigate CVE-2017-11642
Update to version 1.3.27.
Sources
- http://hg.code.sf.net/p/graphicsmagick/code/rev/29550606d8b9
- http://www.securityfocus.com/bid/100395
- https://lists.debian.org/debian-lts-announce/2018/08/msg00002.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PF62B5PJA2JDUOCKJGUQO3SPL74BEYSV/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WHIKB4TP6KBJWT2UIPWL5MWMG5QXKGEJ/
- https://usn.ubuntu.com/4222-1/
- https://www.debian.org/security/2018/dsa-4321