CVE-2018-12458 : Security Advisory and Response
Discover the impact of CVE-2018-12458, an FFmpeg vulnerability in versions 2.8 and 4.0 that could result in a denial of service attack. Learn about mitigation steps and prevention measures.
This CVE-2018-12458 article provides insights into a vulnerability in FFmpeg versions 2.8 and 4.0 that could lead to a denial of service attack.
Understanding CVE-2018-12458
What is CVE-2018-12458?
An incorrect integer type in the mpeg4_encode_gop_header function in FFmpeg versions 2.8 and 4.0 may trigger an assertion violation when converting a manipulated AVI file to MPEG4, potentially resulting in a denial of service.
The Impact of CVE-2018-12458
The vulnerability could allow an attacker to cause a denial of service by exploiting the incorrect integer type within FFmpeg.
Technical Details of CVE-2018-12458
Vulnerability Description
The vulnerability exists in the mpeg4_encode_gop_header function in the mpeg4videoenc.c file of FFmpeg versions 2.8 and 4.0, leading to a denial of service possibility.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Versions: 2.8 and 4.0
Exploitation Mechanism
The vulnerability can be exploited by manipulating an AVI file to trigger an assertion violation during conversion to MPEG4.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by FFmpeg promptly.
- Avoid opening untrusted AVI files.
Long-Term Security Practices
- Regularly update FFmpeg to the latest version.
- Implement network security measures to prevent unauthorized access.
- Conduct regular security audits and assessments.
Patching and Updates
Ensure that FFmpeg is regularly updated with the latest security patches to mitigate the risk of exploitation.