CVE-2018-14682 : Vulnerability Insights and Analysis

CVE-2018-14682 was published on July 28, 2018, and affects the TOLOWER() macro for CHM decompression in libmspack before version 0.7alpha due to an off-by-one error. This vulnerability was identified in the issue found in mspack/chmd.c.

Understanding CVE-2018-14682

This section provides insights into the nature and impact of CVE-2018-14682.

What is CVE-2018-14682?

CVE-2018-14682 is a vulnerability in the TOLOWER() macro for CHM decompression in libmspack before version 0.7alpha, caused by an off-by-one error in the mspack/chmd.c file.

The Impact of CVE-2018-14682

The vulnerability could potentially lead to security breaches, allowing attackers to execute arbitrary code or cause a denial of service (DoS) on systems utilizing the affected library.

Technical Details of CVE-2018-14682

Explore the technical aspects of CVE-2018-14682.

Vulnerability Description

An off-by-one error exists in the TOLOWER() macro for CHM decompression in libmspack before 0.7alpha, specifically in the mspack/chmd.c file.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious CHM file and tricking a user or system into decompressing it using the vulnerable TOLOWER() macro.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2018-14682.

Immediate Steps to Take

Update libmspack to version 0.7alpha or later to patch the off-by-one error.
Avoid opening CHM files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and libraries to the latest versions.
Implement network and system monitoring to detect unusual behavior that may indicate exploitation.

Patching and Updates

Ensure timely application of security patches and updates provided by the libmspack project or relevant software vendors.