CVE-2020-19185 : What You Need to Know

A Buffer Overflow vulnerability in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.

Understanding CVE-2020-19185

This CVE involves a Buffer Overflow vulnerability in the ncurses library.

What is CVE-2020-19185?

The vulnerability exists in the 'one_one_mapping' function in 'progs/dump_entry.c:1373' in ncurses 6.1, enabling remote attackers to trigger a denial of service by sending a specially crafted command.

The Impact of CVE-2020-19185

The vulnerability can be exploited remotely, potentially leading to a denial of service attack on systems using the affected ncurses library.

Technical Details of CVE-2020-19185

This section provides more technical insights into the CVE.

Vulnerability Description

The Buffer Overflow vulnerability in ncurses 6.1 allows attackers to disrupt system functionality by sending malicious commands that exceed the buffer limits.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions: All versions are affected.

Exploitation Mechanism

Attackers can exploit this vulnerability remotely by sending specifically crafted commands to the vulnerable 'one_one_mapping' function in the ncurses library.

Mitigation and Prevention

Protecting systems from CVE-2020-19185 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply vendor patches or updates to mitigate the vulnerability.
Monitor network traffic for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Regularly update software and libraries to ensure the latest security patches are in place.
Implement network segmentation to limit the impact of potential attacks.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

Check for patches or updates provided by the ncurses library maintainers to address the Buffer Overflow vulnerability.