CVE-2018-20176 Explained : Impact and Mitigation
Learn about CVE-2018-20176 involving Out-Of-Bounds Reads in rdesktop versions up to v1.8.3, leading to Denial of Service. Find mitigation steps and prevention strategies here.
This CVE involves Out-Of-Bounds Reads in rdesktop versions up to v1.8.3, leading to Denial of Service (segfault).
Understanding CVE-2018-20176
This vulnerability in rdesktop versions allows for multiple instances of Out-Of-Bounds Reads, resulting in a Denial of Service.
What is CVE-2018-20176?
rdesktop versions up to v1.8.3 have vulnerabilities in the file secure.c that can be exploited to cause a Denial of Service through Out-Of-Bounds Reads.
The Impact of CVE-2018-20176
The vulnerability can lead to a Denial of Service (segfault) due to Out-Of-Bounds Reads in rdesktop versions up to v1.8.3.
Technical Details of CVE-2018-20176
This section provides detailed technical information about the CVE.
Vulnerability Description
rdesktop versions up to and including v1.8.3 contain several Out-Of-Bounds Reads in the file secure.c, resulting in a Denial of Service (segfault).
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: Up to and including v1.8.3
Exploitation Mechanism
The vulnerability can be exploited by triggering Out-Of-Bounds Reads in the secure.c file of rdesktop versions up to v1.8.3.
Mitigation and Prevention
Protect your systems from CVE-2018-20176 with these mitigation strategies.
Immediate Steps to Take
- Update rdesktop to a version beyond v1.8.3 to mitigate the vulnerability.
- Monitor security advisories for patches and updates.
Long-Term Security Practices
- Regularly update software to the latest versions.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Apply patches provided by rdesktop promptly to address the vulnerability.