Vulnerability identifier: #VU70427

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3933

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpenEXR
Client/Desktop applications / Multimedia software

Vendor: OpenEXR

Description

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

The vulnerability exists due to integer overflow when processing files. A remote attacker can pass specially crafted data to the application, trigger an integer overflow and perform a denial of service (DoS) attack.

Note, the vulnerability affects software installation on 32-bit systems.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

OpenEXR: 3.0.0 beta - 3.1.1

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=2019783
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I2JSMJ7HLWFPYYV7IAQZD5ZUUUN7RWBN/
http://security.gentoo.org/glsa/202210-31
http://www.debian.org/security/2022/dsa-5299
http://lists.debian.org/debian-lts-announce/2022/12/msg00022.html

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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.