CVE-2019-6462 : Vulnerability Insights and Analysis

CVE-2019-6462 was published on January 16, 2019, by MITRE. It involves a vulnerability in cairo 1.16.0 that leads to an infinite loop in the function _arc_error_normalized in the file cairo-arc.c.

Understanding CVE-2019-6462

This CVE entry highlights a specific issue in the cairo library version 1.16.0.

What is CVE-2019-6462?

The problem identified in cairo 1.16.0 is related to an infinite loop within the function _arc_error_normalized in the cairo-arc.c file. The issue is specifically connected to _arc_max_angle_for_tolerance_normalized.

The Impact of CVE-2019-6462

This vulnerability could potentially be exploited by attackers to cause a denial of service (DoS) or execute arbitrary code on the affected system.

Technical Details of CVE-2019-6462

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability in cairo 1.16.0 triggers an infinite loop in the _arc_error_normalized function, which is part of the cairo-arc.c file. The issue is directly linked to _arc_max_angle_for_tolerance_normalized.

Affected Systems and Versions

Affected Version: cairo 1.16.0
Systems: Not specified

Exploitation Mechanism

Attackers can potentially exploit this vulnerability to launch DoS attacks or execute arbitrary code on systems running the affected version of cairo.

Mitigation and Prevention

Protecting systems from CVE-2019-6462 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update cairo to a patched version if available
Implement network security measures to prevent unauthorized access

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities
Conduct security audits and penetration testing to identify and address weaknesses

Patching and Updates

Check for updates from the cairo project to address the vulnerability
Apply patches promptly to secure systems against potential exploits