CVE-2017-18201 Explained : Impact and Mitigation
Learn about CVE-2017-18201, a double free vulnerability in GNU libcdio versions before 2.0.0. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A vulnerability has been identified in GNU libcdio versions prior to 2.0.0. The function get_cdtext_generic() in the file lib/driver/_cdio_generic.c contains a double free vulnerability.
Understanding CVE-2017-18201
This CVE record highlights a specific vulnerability in GNU libcdio versions before 2.0.0.
What is CVE-2017-18201?
CVE-2017-18201 is a double free vulnerability found in the get_cdtext_generic() function within the file lib/driver/_cdio_generic.c in GNU libcdio versions prior to 2.0.0.
The Impact of CVE-2017-18201
This vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by exploiting the double free issue in the affected function.
Technical Details of CVE-2017-18201
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerability arises from a double free issue in the get_cdtext_generic() function within the file lib/driver/_cdio_generic.c in GNU libcdio versions before 2.0.0.
Affected Systems and Versions
- Affected versions: GNU libcdio versions prior to 2.0.0
- Systems using GNU libcdio before version 2.0.0 are vulnerable to this exploit.
Exploitation Mechanism
The vulnerability can be exploited by an attacker to trigger the double free issue in the get_cdtext_generic() function, potentially leading to arbitrary code execution or denial of service.
Mitigation and Prevention
Protecting systems from CVE-2017-18201 involves taking immediate and long-term security measures.
Immediate Steps to Take
- Update GNU libcdio to version 2.0.0 or later to mitigate the vulnerability.
- Monitor security advisories and apply patches promptly.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Conduct security audits and code reviews to identify and address vulnerabilities.
Patching and Updates
- Stay informed about security updates and patches released by GNU libcdio.
- Implement a robust patch management process to ensure timely application of fixes.