CVE-2018-16982 : Vulnerability Insights and Analysis

Open Chinese Convert (OpenCC) 1.0.5 has a vulnerability that could result in a denial of service attack due to manipulation of keyOffset and valueOffset values in BinaryDict::NewFromFile function.

Understanding CVE-2018-16982

This CVE involves a vulnerability in Open Chinese Convert (OpenCC) 1.0.5 that could potentially lead to a denial of service attack.

What is CVE-2018-16982?

The vulnerability in OpenCC 1.0.5 allows attackers to cause a denial of service (segmentation fault) by manipulating keyOffset and valueOffset values through a crafted .ocd file.

The Impact of CVE-2018-16982

The exploitation of this vulnerability can lead to a denial of service attack, potentially disrupting the normal operation of the affected system.

Technical Details of CVE-2018-16982

OpenCC 1.0.5 vulnerability details and affected systems.

Vulnerability Description

The issue lies in the BinaryDict::NewFromFile function in BinaryDict.cpp, where manipulation of keyOffset and valueOffset values through a crafted .ocd file can trigger a segmentation fault.

Affected Systems and Versions

Product: Open Chinese Convert (OpenCC) 1.0.5
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers can exploit this vulnerability by carefully crafting a .ocd file to manipulate keyOffset and valueOffset values, leading to a segmentation fault.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2018-16982 vulnerability.

Immediate Steps to Take

Apply security patches or updates provided by the vendor.
Avoid opening untrusted .ocd files.
Monitor for any unusual system behavior that could indicate exploitation.

Long-Term Security Practices

Regularly update software and applications to the latest versions.
Implement proper file validation mechanisms to prevent malicious file execution.

Patching and Updates

Check for security advisories from the OpenCC project and apply patches promptly to address the vulnerability.