#VU77939 OS Command Injection in Ghostscript - CVE-2023-36664
Published: July 4, 2023 / Updated: June 7, 2024
Vulnerability identifier: #VU77939
Vulnerability risk: High
CVSSv4.0: 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
Vulnerable software:
Ghostscript
Ghostscript
Software vendor:
Artifex Software, Inc.
Artifex Software, Inc.
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.
Remediation
Install updates from vendor's website.
External links
- 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