Denial of service in Ghostscript

1) Buffer overflow

EUVDB-ID: #VU79041

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-38559

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the devn_pcx_write_rle() function in base/gdevdevn.c. A remote attacker can create a specially crafted PDF document, pass it to the affected application, trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Ghostscript: 10.0.0 - 10.01.2

CPE2.3

• cpe:2.3:a:artifex_software:ghostscript:10.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:artifex_software:ghostscript:10.01.0:*:*:*:*:*:*:*
• cpe:2.3:a:artifex_software:ghostscript:10.01.1:*:*:*:*:*:*:*

External links

https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=d81b82c70bc1
https://access.redhat.com/security/cve/CVE-2023-38559
https://bugzilla.redhat.com/show_bug.cgi?id=2224367
https://bugs.ghostscript.com/show_bug.cgi?id=706897

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.