#VU89349 Input validation error in Ghostscript - CVE-2023-52722

Vulnerability identifier: #VU89349

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-2023-52722

CWE-ID: CWE-20

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 the affected system.

The vulnerability exists due to insufficient validation of user-supplied input in psi/zmisc1.c. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Ghostscript: 9.22 - 10.01.0

---

External links
https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/commit/?id=afd7188f74918cb51b5fb89f52b54eb16e8acfd1
https://bugzilla.redhat.com/show_bug.cgi?id=2278775

---

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.