SB2021061702 - Multiple vulnerabilities in OpenEXR



SB2021061702 - Multiple vulnerabilities in OpenEXR

Published: June 17, 2021

Security Bulletin ID SB2021061702
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

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

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Heap-based buffer overflow (CVE-ID: N/A)

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

The vulnerability exists due to a boundary error within the Imf_2_5::copyIntoFrameBuffer() function. A remote attacker can pass specially crafted EXR file 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.


2) Input validation error (CVE-ID: N/A)

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

The vulnerability exists due to insufficient validation of user-supplied input in Imf_2_5::PtrIStream::read. A remote attacker can pass specially crafted EXR file to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.