#VU96937 Buffer overflow in jbig2dec - CVE-2023-46361

Vulnerability identifier: #VU96937

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-46361

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
jbig2dec
Universal components / Libraries / Libraries used by multiple products

Vendor: Artifex Software, Inc.

Description

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a boundary error within the jbig2_error() function in /jbig2dec/jbig2.c. A remote attacker can trigger memory corruption and crash the application.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

jbig2dec: 0.1 - 0.20

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External links
https://github.com/Frank-Z7/z-vulnerabilitys/blob/main/jbig2dec-SEGV/jbig2dec-SEGV.md

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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.