CVE-2021-38380 : What You Need to Know
Learn about CVE-2021-38380, a vulnerability in Live555 through 1.08 that mishandles large requests for the same MP3 stream, leading to a stack-based buffer over-read and potential DoS attacks.
Live555 through 1.08 is vulnerable to a stack-based buffer over-read due to mishandling huge requests for the same MP3 stream. This could be exploited by an attacker to trigger recursion, leading to a Denial of Service (DoS) attack.
Understanding CVE-2021-38380
This section will delve into the specifics of the CVE-2021-38380 vulnerability.
What is CVE-2021-38380?
CVE-2021-38380 highlights a vulnerability in Live555 media streaming library versions up to 1.08. The flaw arises from improperly handling large requests for a particular MP3 stream, potentially causing recursive behavior and a stack-based buffer over-read.
The Impact of CVE-2021-38380
The impact of this vulnerability is significant as it allows an adversary to exploit the recursion to disrupt services and execute a DoS attack, potentially leading to service downtime and disruption.
Technical Details of CVE-2021-38380
In this section, we will provide technical insights into CVE-2021-38380.
Vulnerability Description
The vulnerability in Live555 through 1.08 arises from processing excessive requests for the same MP3 stream, leading to recursion and a stack-based buffer over-read.
Affected Systems and Versions
All systems utilizing Live555 media streaming library versions up to 1.08 are susceptible to this vulnerability.
Exploitation Mechanism
An attacker can exploit this vulnerability by sending large requests for the same MP3 stream, triggering recursion that could result in a stack-based buffer over-read and ultimately a DoS attack.
Mitigation and Prevention
This section will provide insights on how to mitigate and prevent CVE-2021-38380.
Immediate Steps to Take
To mitigate the risk associated with CVE-2021-38380, users are advised to update the Live555 library to a patched version that addresses this vulnerability.
Long-Term Security Practices
Implementing secure coding practices and regular security audits can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly monitor for security updates for the Live555 library and promptly apply patches to ensure the system is protected against known vulnerabilities.