SB2021111811 - Denial of service in OpenEXR



SB2021111811 - Denial of service in OpenEXR

Published: November 18, 2021 Updated: December 19, 2022

Security Bulletin ID SB2021111811
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Division by zero (CVE-ID: CVE-2021-3941)

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.


2) Integer overflow (CVE-ID: CVE-2021-3933)

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.


Remediation

Install update from vendor's website.