CVE-2018-20786 Explained : Impact and Mitigation
Learn about CVE-2018-20786, a vulnerability in libvterm version 0+bzr726 used in software like Vim, causing denial of service due to memory handling issues. Find mitigation steps and prevention measures here.
This CVE involves a vulnerability in libvterm version 0+bzr726, affecting software like Vim, leading to a denial of service due to memory handling issues.
Understanding CVE-2018-20786
What is CVE-2018-20786?
Libvterm version 0+bzr726, utilized in Vim and other software, mishandles specific out-of-memory scenarios, resulting in a denial of service (application crash).
The Impact of CVE-2018-20786
The vulnerability can lead to a crash of the application, impacting the availability and stability of the affected software.
Technical Details of CVE-2018-20786
Vulnerability Description
The issue is related to how libvterm handles out-of-memory conditions in files screen.c, state.c, and vterm.c, potentially causing a denial of service.
Affected Systems and Versions
- Product: N/A
- Vendor: N/A
- Version: 0+bzr726
Exploitation Mechanism
The vulnerability can be exploited by triggering specific out-of-memory conditions in the affected software, leading to a crash.
Mitigation and Prevention
Immediate Steps to Take
- Monitor vendor security advisories for patches or updates related to this vulnerability.
- Consider limiting access to vulnerable systems to trusted users only.
Long-Term Security Practices
- Regularly update software and apply patches promptly to address known vulnerabilities.
- Implement proper memory management practices to mitigate similar denial of service risks.
Patching and Updates
Stay informed about security updates and patches released by vendors to address the vulnerability in libvterm version 0+bzr726.