CVE-2020-20898 : Security Advisory and Response
Learn about CVE-2020-20898, an Integer Overflow vulnerability in Ffmpeg 4.2.1 that allows attackers to cause a Denial of Service. Find out how to mitigate and prevent exploitation.
Ffmpeg 4.2.1 has an Integer Overflow vulnerability in the function filter16_prewitt in libavfilter/vf_convolution.c. This vulnerability can be exploited by attackers to cause a Denial of Service or other unspecified impacts.
Understanding CVE-2020-20898
This CVE identifies a specific security vulnerability in Ffmpeg 4.2.1.
What is CVE-2020-20898?
The CVE-2020-20898 is an Integer Overflow vulnerability in the function filter16_prewitt in libavfilter/vf_convolution.c in Ffmpeg 4.2.1.
The Impact of CVE-2020-20898
The vulnerability allows attackers to cause a Denial of Service or other unspecified impacts.
Technical Details of CVE-2020-20898
Ffmpeg 4.2.1 is affected by this vulnerability.
Vulnerability Description
The Integer Overflow vulnerability exists in the function filter16_prewitt in libavfilter/vf_convolution.c in Ffmpeg 4.2.1.
Affected Systems and Versions
- Product: Ffmpeg
- Version: 4.2.1
Exploitation Mechanism
Attackers can exploit this vulnerability to cause a Denial of Service or other unspecified impacts.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Update Ffmpeg to a patched version if available.
- Monitor for any unusual activities on the system.
Long-Term Security Practices
- Regularly update software and apply security patches.
- Implement network segmentation and access controls.
Patching and Updates
Ensure that Ffmpeg is regularly updated with the latest security patches to mitigate the risk of exploitation.