CVE-2018-13846 Explained : Impact and Mitigation
Learn about CVE-2018-13846, a heap-based buffer over-read vulnerability in Bento4 1.5.1-624's AP4_Mpeg2TsVideoSampleStream::WriteSample function. Find out how to mitigate and prevent exploitation.
Bento4 1.5.1-624 has a heap-based buffer over-read vulnerability in AP4_Mpeg2TsVideoSampleStream::WriteSample, similar to CVE-2018-14532.
Understanding CVE-2018-13846
What is CVE-2018-13846?
A heap-based buffer over-read vulnerability in Bento4 1.5.1-624's AP4_Mpeg2TsVideoSampleStream::WriteSample function.
The Impact of CVE-2018-13846
The vulnerability can be exploited to cause a heap-based buffer over-read, potentially leading to information disclosure or denial of service.
Technical Details of CVE-2018-13846
Vulnerability Description
The issue occurs in AP4_Mpeg2TsVideoSampleStream::WriteSample in Core/Ap4Mpeg2Ts.cpp after being called from Mp42Ts.cpp.
Affected Systems and Versions
- Product: Bento4 1.5.1-624
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
The vulnerability is triggered by a specific function call sequence, leading to a heap-based buffer over-read.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor patches or updates once available.
- Monitor vendor communications for security advisories.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Conduct security assessments and code reviews to identify vulnerabilities.
- Implement secure coding practices to prevent buffer over-read issues.
Patching and Updates
Ensure timely installation of patches and updates provided by the vendor to address the vulnerability.