CVE-2018-18195 : What You Need to Know

CVE-2018-18195 was published on October 9, 2018, by MITRE. It involves a divide-by-zero error in version 4.1.0 of libgig, specifically in DLS.cpp.

Understanding CVE-2018-18195

This CVE entry highlights a floating-point exception (FPE) issue within the DLS::Sample::Sample function in DLS.cpp of libgig version 4.1.0.

What is CVE-2018-18195?

The vulnerability in CVE-2018-18195 pertains to a divide-by-zero error in a specific function of libgig version 4.1.0.

The Impact of CVE-2018-18195

The presence of a divide-by-zero error can lead to system crashes, denial of service, or potentially allow attackers to execute arbitrary code on the affected system.

Technical Details of CVE-2018-18195

This section delves into the technical aspects of the CVE.

Vulnerability Description

The issue in libgig 4.1.0 triggers a floating-point exception due to a divide-by-zero error in the DLS::Sample::Sample function within DLS.cpp.

Affected Systems and Versions

Affected Version: 4.1.0
Systems: Any system running libgig version 4.1.0

Exploitation Mechanism

Exploiting this vulnerability involves crafting a specific input that triggers the divide-by-zero error, potentially leading to system compromise.

Mitigation and Prevention

Protecting systems from CVE-2018-18195 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable or restrict access to the vulnerable function or library if possible.
Monitor for any unusual system behavior that could indicate exploitation.

Long-Term Security Practices

Regularly update software and libraries to patched versions.
Implement code reviews and testing to catch similar vulnerabilities during development.

Patching and Updates

Ensure that the affected systems are updated with the latest patches provided by the software vendor.