#VU45844 Buffer overflow in Ghostscript - CVE-2020-16302

Vulnerability identifier: #VU45844

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-2020-16302

CWE-ID: CWE-120

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 non-authenticated attacker to execute arbitrary code.

A buffer overflow vulnerability exists in jetp3852_print_page() in devices/gdev3852.c of Artifex Software GhostScript. A remote attacker can trick the victim to open a specially crafted PDF file, trigger memory corruption and execute arbitrary code on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Ghostscript: 9.50

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External links
https://bugs.ghostscript.com/show_bug.cgi?id=701815
https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=366ad48d076c1aa4c8f83c65011258a04e348207
https://lists.debian.org/debian-lts-announce/2020/08/msg00032.html

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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.