#VU79041 Buffer overflow in Ghostscript - CVE-2023-38559
Vulnerability identifier: #VU79041
Vulnerability 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:
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
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.
