Vulnerability identifier: #VU79041

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-38559

CWE-ID: CWE-119

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 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

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

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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.