Denial of service in Libjpeg-turbo

1) Division by zero

EUVDB-ID: #VU54091

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-2021-20205

CWE-ID: CWE-369 - Divide By Zero

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to divide by zero error when processing a crafted GIF image. A remote attacker can pass specially crafted file to the application and crash it.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libjpeg-turbo: 2.0.0 - 2.0.90

External links

http://bugzilla.redhat.com/show_bug.cgi?id=1937385
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TM3AHZEYGYFEDL6AW5RLEAJNVRWEJDFL/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QMLEY6HLVZAGXIOGGPPUAMRJUA6LB3FD/
http://github.com/libjpeg-turbo/libjpeg-turbo/releases/tag/2.1.0

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.