CVE-2017-18242 : Vulnerability Insights and Analysis
Learn about CVE-2017-18242, a denial of service vulnerability in Libav 12.2 that can be exploited by remote attackers. Find out how to mitigate and prevent this vulnerability.
A denial of service (out-of-bounds read) vulnerability in Libav 12.2 can be exploited by remote attackers through a specially crafted aac file.
Understanding CVE-2017-18242
This CVE involves a vulnerability in the apply_dependent_coupling function within libavcodec/aacdec.c in Libav 12.2.
What is CVE-2017-18242?
The apply_dependent_coupling function in Libav 12.2 is susceptible to a denial of service (out-of-bounds read) attack via a maliciously crafted aac file.
The Impact of CVE-2017-18242
This vulnerability allows remote attackers to trigger a denial of service condition on affected systems.
Technical Details of CVE-2017-18242
This section provides more technical insights into the vulnerability.
Vulnerability Description
The apply_dependent_coupling function in libavcodec/aacdec.c within Libav 12.2 is the specific component affected by the out-of-bounds read vulnerability.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by remote attackers through a specially crafted aac file in the apply_dependent_coupling function.
Mitigation and Prevention
Protecting systems from CVE-2017-18242 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches or updates provided by the vendor.
- Implement network security measures to prevent unauthorized access.
Long-Term Security Practices
- Regularly update software and firmware to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and mitigate risks.
Patching and Updates
Ensure that the affected systems are updated with the latest patches and security fixes to mitigate the vulnerability.