#VU93868 Input validation error in Poppler - CVE-2024-6239

Vulnerability identifier: #VU93868

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-6239

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Poppler
Client/Desktop applications / Office applications

Vendor: Freedesktop.org

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within the Pdfinfo utility. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Poppler: 20.08.0 - 24.06.0

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=2293594
https://gitlab.freedesktop.org/poppler/poppler/-/issues/1489
https://gitlab.freedesktop.org/poppler/poppler/-/commit/0554731052d1a97745cb179ab0d45620589dd9c4

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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.