CVE-2018-19891 Explained : Impact and Mitigation

In Freeware Advanced Audio Coder (FAAC) 1.29.9.2, a flaw was detected in the huffcode function (libfaac/huff2.c) involving an invalid memory address dereference, leading to a denial of service vulnerability.

Understanding CVE-2018-19891

This CVE involves a vulnerability in the huffcode function of FAAC 1.29.9.2, resulting in a denial of service due to a segmentation fault and application crash.

What is CVE-2018-19891?

An invalid memory address dereference was discovered in the huffcode function of FAAC 1.29.9.2, causing a denial of service in the book 10 case.

The Impact of CVE-2018-19891

The vulnerability leads to a denial of service by triggering a segmentation fault and crashing the application.

Technical Details of CVE-2018-19891

This section provides technical details about the CVE.

Vulnerability Description

The flaw in the huffcode function of FAAC 1.29.9.2 results in an invalid memory address dereference, leading to a denial of service.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

The vulnerability is exploited by triggering an invalid memory address dereference in the huffcode function, causing a segmentation fault and application crash.

Mitigation and Prevention

Protect your systems from CVE-2018-19891 with the following steps:

Immediate Steps to Take

Apply security patches or updates provided by the vendor.
Monitor vendor communications for any specific mitigation guidance.

Long-Term Security Practices

Regularly update software and firmware to the latest versions.
Implement strong coding practices to prevent memory-related vulnerabilities.

Patching and Updates

Consider the following:

Check for patches or updates released by the vendor.
Apply patches promptly to mitigate the vulnerability.