#VU101973 Buffer overflow in MuPDF - CVE-2024-46657

Vulnerability identifier: #VU101973

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: CVE-2024-46657

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MuPDF
Client/Desktop applications / Multimedia software

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 when processing PDF files. A remote attacker can pass a specially crafted PDF file to the application, trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MuPDF: 1.14.0 rc1 - 1.24.9

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External links
https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/diff/?id=b5c898a30f068b5342e8263a2cd5b9f0be291aac
https://gist.github.com/isumitpatel/615e6bd2621cb46b5d980ddb9db223e2
https://github.com/ArtifexSoftware/mupdf/commit/b5c898a30f068b5342e8263a2cd5b9f0be291aac

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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.