CVE-2020-19187 : Vulnerability Insights and Analysis

A Buffer Overflow vulnerability in fmt_entry function in progs/dump_entry.c:1100 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.

Understanding CVE-2020-19187

This CVE involves a Buffer Overflow vulnerability in ncurses 6.1, potentially leading to a denial of service attack.

What is CVE-2020-19187?

The vulnerability in the fmt_entry function in ncurses 6.1 allows malicious actors to disrupt services by sending specially crafted commands.

The Impact of CVE-2020-19187

Exploitation of this vulnerability can result in a denial of service, disrupting the normal operation of the affected system.

Technical Details of CVE-2020-19187

This section provides more technical insights into the CVE.

Vulnerability Description

The Buffer Overflow vulnerability in fmt_entry function in progs/dump_entry.c:1100 in ncurses 6.1 enables remote attackers to trigger a denial of service attack through manipulated commands.

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 target system.

Mitigation and Prevention

Protecting systems from CVE-2020-19187 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor patches or updates promptly.
Implement network security measures to filter out malicious traffic.
Monitor system logs for any unusual activities.

Long-Term Security Practices

Regularly update software and firmware to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.
Educate users on safe computing practices to prevent social engineering attacks.

Patching and Updates

Ensure that the affected software, in this case, ncurses 6.1, is updated with the latest patches to mitigate the Buffer Overflow vulnerability.