CVE-2017-12133 : Security Advisory and Response
Discover the impact of CVE-2017-12133, a vulnerability in the GNU C Library (glibc) allowing remote attackers to cause undefined impacts. Learn about affected versions, exploitation, and mitigation strategies.
CVE-2017-12133, a vulnerability in the GNU C Library (glibc), poses a risk of remote attackers causing undefined impacts. Learn about the impact, technical details, and mitigation strategies.
Understanding CVE-2017-12133
What is CVE-2017-12133?
The clntudp_call function in glibc before version 2.26 is vulnerable, potentially allowing remote attackers to trigger undefined impacts through error path vectors.
The Impact of CVE-2017-12133
This vulnerability could be exploited by remote attackers to cause an undefined impact on affected systems.
Technical Details of CVE-2017-12133
Vulnerability Description
A use-after-free vulnerability in the clntudp_call function in glibc before 2.26 enables remote attackers to have an unspecified impact via vectors related to error paths.
Affected Systems and Versions
- Affected Systems: Not specified
- Affected Versions: glibc versions prior to 2.26
Exploitation Mechanism
The vulnerability can be exploited remotely by attackers to trigger an undefined impact through error path vectors.
Mitigation and Prevention
Immediate Steps to Take
- Update glibc to version 2.26 or newer to mitigate the vulnerability.
- Monitor vendor advisories for patches and apply them promptly.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Implement network security measures to prevent remote exploitation.
Patching and Updates
- Apply patches provided by the vendor promptly to address the vulnerability.