Learn about CVE-2020-16589, a head-based buffer overflow in OpenEXR 2.3.0 that can lead to denial of service. Find mitigation steps and prevention measures here.
A head-based buffer overflow exists in Academy Software Foundation OpenEXR 2.3.0 that can lead to a denial of service through a crafted EXR file.
Understanding CVE-2020-16589
This CVE involves a specific vulnerability in the OpenEXR software that can be exploited to cause a denial of service.
What is CVE-2020-16589?
The vulnerability is a head-based buffer overflow present in the writeTileData function in ImfTiledOutputFile.cpp within OpenEXR 2.3.0.
The Impact of CVE-2020-16589
Exploiting this vulnerability can result in a denial of service condition by utilizing a maliciously crafted EXR file.
Technical Details of CVE-2020-16589
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability is specifically located in the writeTileData function in ImfTiledOutputFile.cpp within OpenEXR 2.3.0.
Affected Systems and Versions
Exploitation Mechanism
The vulnerability can be exploited by an attacker through a carefully crafted EXR file, triggering the buffer overflow and leading to a denial of service.
Mitigation and Prevention
To address and prevent the exploitation of CVE-2020-16589, the following steps are recommended:
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Ensure that OpenEXR software is updated to the latest version to patch the vulnerability and prevent potential exploitation.