Denial of service in Libjpeg-turbo

1) Division by zero

EUVDB-ID: #VU54091

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

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

CPE2.3

• cpe:2.3:a:the_libjpeg-turbo_project:libjpeg-turbo:2.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:the_libjpeg-turbo_project:libjpeg-turbo:2.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:the_libjpeg-turbo_project:libjpeg-turbo:2.0.2:*:*:*:*:*:*:*

External links

https://bugzilla.redhat.com/show_bug.cgi?id=1937385
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TM3AHZEYGYFEDL6AW5RLEAJNVRWEJDFL/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QMLEY6HLVZAGXIOGGPPUAMRJUA6LB3FD/
https://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.