Denial of service in Poppler

1) Reachable Assertion

EUVDB-ID: #VU82600

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-38349

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

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

External links

http://gitlab.freedesktop.org/poppler/poppler/-/issues/1282
http://gitlab.freedesktop.org/poppler/poppler/-/commit/4564a002bcb6094cc460bc0d5ddff9423fe6dd28

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.