CVE-2018-11440 : What You Need to Know

Liblouis 3.5.0 has a stack-based Buffer Overflow vulnerability in the parseChars function of compileTranslationTable.c.

Understanding CVE-2018-11440

This CVE entry describes a specific vulnerability in Liblouis 3.5.0 that could be exploited through a stack-based Buffer Overflow.

What is CVE-2018-11440?

The function parseChars in the file compileTranslationTable.c of Liblouis 3.5.0 is susceptible to a stack-based Buffer Overflow vulnerability.

The Impact of CVE-2018-11440

This vulnerability could allow an attacker to execute arbitrary code or crash the application, potentially leading to a denial of service (DoS) condition.

Technical Details of CVE-2018-11440

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability exists in the parseChars function of compileTranslationTable.c in Liblouis 3.5.0, allowing for a stack-based Buffer Overflow.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: 3.5.0

Exploitation Mechanism

The vulnerability can be exploited by crafting a specific input that triggers the Buffer Overflow, potentially leading to unauthorized code execution.

Mitigation and Prevention

To address CVE-2018-11440, follow these mitigation strategies:

Immediate Steps to Take

Update Liblouis to a non-vulnerable version.
Implement input validation to prevent malicious input.
Monitor for any unusual behavior that could indicate exploitation.

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities.
Conduct security assessments and code reviews to identify and address potential weaknesses.

Patching and Updates

Stay informed about security advisories and patches released by Liblouis.