CVE-2021-38094 : Exploit Details and Defense Strategies
Learn about CVE-2021-38094, an Integer Overflow vulnerability in Ffmpeg 4.2.1 that could lead to Denial of Service attacks. Discover impact, affected systems, and mitigation steps.
A detailed overview of CVE-2021-38094, an Integer Overflow vulnerability in Ffmpeg 4.2.1 with potential Denial of Service impact.
Understanding CVE-2021-38094
This section provides insights into the vulnerability and its implications.
What is CVE-2021-38094?
CVE-2021-38094 is an Integer Overflow vulnerability located in the function filter_sobel in libavfilter/vf_convolution.c within Ffmpeg 4.2.1. This vulnerability can be exploited by attackers to trigger a Denial of Service attack or other unspecified impacts.
The Impact of CVE-2021-38094
The presence of this vulnerability poses a risk of system compromise and disruption due to potential Denial of Service attacks.
Technical Details of CVE-2021-38094
Delving deeper into the technical aspects of the CVE-2021-38094 vulnerability.
Vulnerability Description
The vulnerability arises from an Integer Overflow issue in the filter_sobel function, allowing threat actors to launch Denial of Service attacks and create other adverse effects.
Affected Systems and Versions
Ffmpeg 4.2.1 is the specific version affected by this vulnerability, potentially impacting systems utilizing this software version.
Exploitation Mechanism
Attackers can exploit the Integer Overflow vulnerability in Ffmpeg 4.2.1 by manipulating the filter_sobel function, leading to service interruptions or other negative consequences.
Mitigation and Prevention
Guidelines for safeguarding systems against CVE-2021-38094 and preventing potential exploitation.
Immediate Steps to Take
It is crucial to apply security patches or updates provided by Ffmpeg promptly to mitigate the risk of exploitation. Additionally, monitoring systems for unusual activities can aid in identifying any attempted attacks.
Long-Term Security Practices
Incorporating robust security measures, such as regular software updates, security assessments, and user training, can enhance overall system security and resilience.
Patching and Updates
Regularly checking for security advisories from Ffmpeg and promptly applying any patches or updates is essential to address known vulnerabilities and bolster system defenses.