#VU82600 Reachable Assertion in Poppler - CVE-2022-38349

Vulnerability identifier: #VU82600

Vulnerability risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-38349

CWE-ID: CWE-617

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 a reachable assertion within the PDFDoc::replacePageDict() function in PDFDoc.cc. A remote attacker can trick the victim to open a specially crafted PDF file and crash the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Poppler: 22.01.0 - 22.08.0

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External links
https://gitlab.freedesktop.org/poppler/poppler/-/issues/1282
https://gitlab.freedesktop.org/poppler/poppler/-/commit/4564a002bcb6094cc460bc0d5ddff9423fe6dd28

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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.