CVE-2019-13636 Explained : Impact and Mitigation
Learn about CVE-2019-13636 impacting GNU patch versions up to 2.7.6. Find out how symlink mishandling in inp.c and util.c can be exploited and steps to mitigate the vulnerability.
GNU patch up to version 2.7.6 has a mishandling issue with handling symlinks in certain cases that are not related to input files. This impacts the functionality of inp.c and util.c.
Understanding CVE-2019-13636
In GNU patch through version 2.7.6, there is a mishandling of symlinks in specific cases beyond input files, affecting inp.c and util.c.
What is CVE-2019-13636?
- GNU patch up to version 2.7.6 mishandles the following of symlinks in certain cases not related to input files.
The Impact of CVE-2019-13636
- This vulnerability affects the functionality of inp.c and util.c in GNU patch versions up to 2.7.6.
Technical Details of CVE-2019-13636
In-depth technical information about the CVE.
Vulnerability Description
- The mishandling of symlinks in GNU patch versions up to 2.7.6 impacts the behavior of inp.c and util.c.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Versions: up to 2.7.6
Exploitation Mechanism
- Attackers can exploit this vulnerability to potentially manipulate symlinks in certain cases, affecting inp.c and util.c.
Mitigation and Prevention
Ways to address and prevent the CVE.
Immediate Steps to Take
- Update GNU patch to version 2.7.6 or later to mitigate the symlink mishandling issue.
- Monitor vendor advisories for patches and security updates.
Long-Term Security Practices
- Regularly update software and apply security patches to prevent vulnerabilities.
Patching and Updates
- Stay informed about security updates and patches released by GNU and other relevant vendors.