Division by zero in OpenEXR - CVE-2021-3941

 

Division by zero in OpenEXR - CVE-2021-3941

Published: November 18, 2021


Vulnerability identifier: #VU58233
CSH Severity: Low
CVSS v4.0: 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-2021-3941
CWE-ID: CWE-369
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: OpenEXR
Affected software:
OpenEXR

Detailed vulnerability description

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

The vulnerability exists due to divide-by-zero issue in Imf_3_1::RGBtoXYZ. A remote attacker can trick the victim to open a specially crafted file, trigger division by zero and crash the application.


How to mitigate CVE-2021-3941

Install updates from vendor's website.

Sources