Remote code execution in OpenJPEG

1) Heap-based buffer overflow

EUVDB-ID: #VU48907

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-27823

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when processing PNG images in pngtoimage() function in bin/jp2/convertpng.c. A remote attacker can pass specially crafted file to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system.

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

Mitigation

Install update from vendor's website.

Vulnerable software versions

OpenJPEG: 2.1.1 - 2.3.1

External links

http://github.com/uclouvain/openjpeg/issues/1284
http://github.com/uclouvain/openjpeg/commit/b2072402b7e14d22bba6fb8cde2a1e9996e9a919
http://github.com/uclouvain/openjpeg/blob/v2.4.0/CHANGELOG.md

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.