CVE-2021-37231 Explained : Impact and Mitigation
Learn about CVE-2021-37231, a stack-buffer-overflow flaw in Atomicparsley. Understand the impact, affected versions, and mitigation strategies for this vulnerability.
A stack-buffer-overflow vulnerability has been identified in Atomicparsley 20210124.204813.840499f through APar_readX() in src/util.cpp. This vulnerability arises while parsing a specially crafted mp4 file due to the absence of a boundary check.
Understanding CVE-2021-37231
This section will discuss the nature of the CVE-2021-37231 vulnerability and its potential implications.
What is CVE-2021-37231?
CVE-2021-37231 refers to a stack-buffer-overflow flaw in Atomicparsley versions 20210124.204813.840499f and earlier, triggered during the parsing of a malicious mp4 file. The issue is caused by a lack of proper boundary verification.
The Impact of CVE-2021-37231
The impact of this vulnerability allows an attacker to potentially execute arbitrary code by enticing a user to open a specially crafted mp4 file using the vulnerable software.
Technical Details of CVE-2021-37231
In this section, we will delve into the technical specifics of CVE-2021-37231.
Vulnerability Description
The stack-buffer-overflow vulnerability in Atomicparsley arises in the APar_readX() function in src/util.cpp while handling a crafted mp4 file, leading to potential code execution.
Affected Systems and Versions
All versions of Atomicparsley up to and including 20210124.204813.840499f are impacted by this vulnerability.
Exploitation Mechanism
An attacker can exploit this vulnerability by enticing a user to open a malicious mp4 file using the affected Atomicparsley software, leading to a stack-buffer-overflow condition.
Mitigation and Prevention
To safeguard systems against CVE-2021-37231, certain mitigation strategies and security best practices need to be implemented.
Immediate Steps to Take
Users are advised to refrain from opening mp4 files from untrusted sources using the vulnerable Atomicparsley software. Consider using alternative media players until a patch is released.
Long-Term Security Practices
Regularly update the software to the latest version and apply patches promptly. Exercise caution when handling files from unverified sources to minimize the risk of exploitation.
Patching and Updates
Stay informed about security advisories and updates released by Atomicparsley. Apply security patches as soon as they are available to eliminate the vulnerability.