Remote code execution in Poppler

1) Integer overflow

EUVDB-ID: #VU67055

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-38784

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow within the JBIG2 decoder in the JBIG2Stream::readTextRegionSeg() function in JBIGStream.cc. A remote attacker can pass a specially crafted PDF file or JBIG2 image to the application, trigger an integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Poppler: 20.08.0 - 22.07.0

External links

http://gist.github.com/zmanion/b2ed0d1a0cec163ecd07d5e3d9740dc6
http://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/1261/diffs?commit_id=27354e9d9696ee2bc063910a6c9a6b27c5184a52
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-38171
http://www.openwall.com/lists/oss-security/2022/09/02/11
http://www.debian.org/security/2022/dsa-5224

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.