Learn about CVE-2022-36354, a vulnerability in OpenImageIO leading to heap out-of-bounds reads. Understand the impact, technical details, and mitigation steps.
This article provides detailed information about CVE-2022-36354, a heap out-of-bounds read vulnerability in OpenImageIO. Learn about the impact, technical details, mitigation steps, and more.
Understanding CVE-2022-36354
CVE-2022-36354 is a heap out-of-bounds read vulnerability in the RLA format parser of OpenImageIO master-branch-9aeece7a and v2.3.19.0. The vulnerability stems from how run-length encoded byte spans are managed, allowing a malicious RLA file to trigger an out-of-bounds read.
What is CVE-2022-36354?
The CVE-2022-36354 vulnerability in OpenImageIO can lead to an out-of-bounds read of heap metadata, potentially resulting in a sensitive information leak. Attackers can exploit this by providing a crafted file.
The Impact of CVE-2022-36354
The vulnerability scored a CVSS base score of 5.3, categorizing it as medium severity. It poses a risk of leaking sensitive data due to the out-of-bounds read, impacting confidentiality.
Technical Details of CVE-2022-36354
The technical details of CVE-2022-36354 include the vulnerability description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The vulnerability arises from an off-by-one error (CWE-193) in the handling of run-length encoded byte spans in the RLA format parser of OpenImageIO.
Affected Systems and Versions
OpenImageIO versions affected by this vulnerability include master-branch-9aeece7a and v2.3.19.0.
Exploitation Mechanism
By providing a specially crafted RLA file, an attacker can trigger the vulnerability, leading to an out-of-bounds read of heap metadata.
Mitigation and Prevention
To mitigate the risks associated with CVE-2022-36354, follow these steps to enhance security.
Immediate Steps to Take
Immediately update OpenImageIO to a patched version that addresses the heap out-of-bounds read vulnerability.
Long-Term Security Practices
Regularly update software and maintain awareness of security vulnerabilities in your systems to prevent future exploits.
Patching and Updates
Stay informed about security patches released by OpenImageIO Project and apply them promptly to protect against known vulnerabilities.