OS Command Injection in Ghostscript - CVE-2023-36664
Published: July 4, 2023 / Updated: June 7, 2024
Vulnerability identifier: #VU77939
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:P/U:Amber
CVE-ID: CVE-2023-36664
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Artifex Software, Inc.
Affected software:
Ghostscript
Ghostscript
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation for pipe devices (with the %pipe% prefix or the | pipe character prefix). A remote attacker can trick the victim to open a specially crafted PDF file and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2023-36664
Install updates from vendor's website.
Sources
- https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=0974e4f2ac0005d3731e0b5c13ebc7e965540f4d
- https://bugs.ghostscript.com/show_bug.cgi?id=706761
- https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=505eab7782b429017eb434b2b95120855f2b0e3c
- https://www.debian.org/security/2023/dsa-5446
- https://www.kroll.com/en/insights/publications/cyber/ghostscript-cve-2023-36664-remote-code-execution-vulnerability