#VU79881 Heap-based buffer overflow in OpenJPEG - CVE-2021-3575

Vulnerability identifier: #VU79881

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-3575

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpenJPEG
Universal components / Libraries / Libraries used by multiple products

Vendor: openjpeg.org

Description

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

The vulnerability exists due to a boundary error within the sycc420_to_rgb() function in color.c. A remote attacker can pass specially crafted image data to the application, trigger a 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 updates from vendor's website.

Vulnerable software versions

OpenJPEG: 2.3.1 - 2.4.0

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=1957616
https://github.com/uclouvain/openjpeg/issues/1347
https://ubuntu.com/security/CVE-2021-3575
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QB6AI7CWXWMEDZIQY4LQ6DMIEXMDOHUP/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ54FGM2IGAP4AWSJ22JKHOPHCR3FGYU/

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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.