SB2021062706 - Multiple vulnerabilities in OpenEXR



SB2021062706 - Multiple vulnerabilities in OpenEXR

Published: June 27, 2021

Security Bulletin ID SB2021062706
Severity
High
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 25% Medium 75%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) Integer overflow (CVE-ID: CVE-2021-26260)

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

The vulnerability exists due to integer overflow in the DwaCompressor of OpenEXR. A remote attacker can pass specially crafted data to the application, trigger integer overflow and perform a denial of service attack.


2) Heap-based buffer overflow (CVE-ID: CVE-2021-23169)

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

The vulnerability exists due to a boundary error in the copyIntoFrameBuffer function of OpenEXR. A remote attacker can pass specially crafted data to the application, trigger 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.


3) Integer overflow (CVE-ID: CVE-2021-26945)

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

The vulnerability exists due to integer overflow in OpenEXR. A remote attacker can pass specially crafted data to the application, trigger integer overflow and perform a denial of service attack.



4) Integer overflow (CVE-ID: CVE-2021-23215)

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

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


Remediation

Install update from vendor's website.