Input validation error in Ghostscript - CVE-2016-7976
Published: August 7, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU38574
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-2016-7976
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Artifex Software, Inc.
Affected software:
Ghostscript
Ghostscript
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The PS Interpreter in Ghostscript 9.18 and 9.20 allows remote attackers to execute arbitrary code via crafted userparams.
How to mitigate CVE-2016-7976
Install update from vendor's website.
Sources
- http://git.ghostscript.com/?p=user/chrisl/ghostpdl.git;a=commit;h=6d444c273da5499a4cd72f21cb6d4c9a5256807d
- http://www.debian.org/security/2016/dsa-3691
- http://www.openwall.com/lists/oss-security/2016/10/19/6
- http://www.securityfocus.com/bid/95332
- https://bugs.ghostscript.com/show_bug.cgi?id=697178
- https://security.gentoo.org/glsa/201702-31