CVE-2020-19189 : Exploit Details and Defense Strategies

A Buffer Overflow vulnerability in ncurses 6.1 could lead to a denial of service attack. Learn about the impact, technical details, and mitigation steps.

Understanding CVE-2020-19189

What is CVE-2020-19189?

The vulnerability exists in the postprocess_terminfo function in ncurses 6.1, allowing remote attackers to trigger a denial of service by sending a specially crafted command.

The Impact of CVE-2020-19189

This vulnerability could be exploited by remote attackers to cause a denial of service on systems running the affected version of ncurses.

Technical Details of CVE-2020-19189

Vulnerability Description

The Buffer Overflow vulnerability in the postprocess_terminfo function in ncurses 6.1 can be exploited remotely to cause a denial of service.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Version: n/a (affected)

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a specifically crafted command to the vulnerable postprocess_terminfo function in ncurses 6.1.

Mitigation and Prevention

Immediate Steps to Take

Apply the latest security update provided by the vendor.
Monitor security mailing lists for any patches or advisories related to this vulnerability.

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities.
Implement network security measures to prevent remote exploitation of vulnerabilities.

Patching and Updates

Ensure that the affected systems are updated with the latest security patches to mitigate the Buffer Overflow vulnerability in ncurses 6.1.