Denial of service in Poppler

1) Input validation error

EUVDB-ID: #VU78933

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-34872

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

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 OutlineItem::open() function in Outline.cc. A remote attacker can pass a specially crafted PDF file 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 - 23.05.0

CPE2.3

• cpe:2.3:a:freedesktop_org:poppler:23.05.0:*:*:*:*:*:*:*
• cpe:2.3:a:freedesktop_org:poppler:23.04.0:*:*:*:*:*:*:*
• cpe:2.3:a:freedesktop_org:poppler:23.03.0:*:*:*:*:*:*:*

External links

http://gitlab.freedesktop.org/poppler/poppler/-/commit/591235c8b6c65a2eee88991b9ae73490fd9afdfe
http://gitlab.freedesktop.org/poppler/poppler/-/issues/1399

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.