Buffer overflow in Ghostscript - CVE-2023-28879
Published: April 6, 2023
Vulnerability identifier: #VU74502
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-2023-28879
CWE-ID: CWE-119
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 attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing files within BCPEncode, BCPDecode, TBCPEncode, and TBCPDecode methods in base/sbcp.c. A remote attacker can create a specially crafted document, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2023-28879
Install updates from vendor's website.
Sources
- https://bugs.ghostscript.com/show_bug.cgi?id=706494
- https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=37ed5022cecd584de868933b5b60da2e995b3179
- https://ghostscript.readthedocs.io/en/latest/News.html
- https://lists.debian.org/debian-lts-announce/2023/04/msg00003.html
- https://www.debian.org/security/2023/dsa-5383