CVE-2018-18193 : Security Advisory and Response

A problem was found in the version 4.1.0 of libgig. The issue occurs in the DLS::File::File function in the DLS.cpp file, where there is a failure in the operator new[], caused by a large heap request for the pWavePoolTable.

Understanding CVE-2018-18193

An issue was discovered in libgig 4.1.0. There is an operator new[] failure (due to a big pWavePoolTable heap request) in DLS::File::File in DLS.cpp.

What is CVE-2018-18193?

CVE-2018-18193 is a vulnerability in libgig 4.1.0 that leads to an operator new[] failure due to a large heap request for the pWavePoolTable in the DLS::File::File function.

The Impact of CVE-2018-18193

The vulnerability can potentially lead to denial of service (DoS) attacks or arbitrary code execution.

Technical Details of CVE-2018-18193

The technical details of the CVE-2018-18193 vulnerability are as follows:

Vulnerability Description

Vulnerability Type: Memory Corruption
CVSS Score: N/A

Affected Systems and Versions

Affected Version: libgig 4.1.0

Exploitation Mechanism

Attackers can exploit this vulnerability by triggering a large heap request for the pWavePoolTable, leading to a failure in the operator new[] function.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2018-18193:

Immediate Steps to Take

Update to a patched version of libgig that addresses the operator new[] failure.
Monitor for any unusual activity that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update software and libraries to the latest versions to prevent known vulnerabilities.
Implement secure coding practices to reduce the likelihood of memory corruption vulnerabilities.

Patching and Updates

Stay informed about security updates for libgig and apply patches promptly to protect against known vulnerabilities.