#VU92102 Insecure DLL loading in Ghostscript - CVE-2024-33871

Vulnerability identifier: #VU92102

Vulnerability risk: High

CVSSv4.0: 6.1 [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-2024-33871

CWE-ID: CWE-427

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Ghostscript
Universal components / Libraries / Libraries used by multiple products

Vendor: Artifex Software, Inc.

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the "Driver" parameter for the "opvp"/"oprp" device specifies the name of a dynamic library and allows any library to be loaded. A remote attacker can pass a specially crafted document to the application and execute arbitrary library on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise the affected system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Ghostscript: 9.00 - 10.03.0

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=2283508
https://bugs.ghostscript.com/show_bug.cgi?id=707754
https://ghostscript.readthedocs.io/en/gs10.03.1/News.html
https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/commit/?id=7145885041bb52cc23964f0aa2aec1b1c82b5908

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.