CVE-2018-11683 : Security Advisory and Response
Learn about CVE-2018-11683, a stack-based Buffer Overflow vulnerability in Liblouis 3.5.0. Understand the impact, affected systems, exploitation, and mitigation steps to secure your systems.
Liblouis 3.5.0 has a stack-based Buffer Overflow vulnerability in the function parseChars in compileTranslationTable.c, distinct from CVE-2018-11440.
Understanding CVE-2018-11683
What is CVE-2018-11683?
The function parseChars in compileTranslationTable.c of Liblouis 3.5.0 is vulnerable to a stack-based Buffer Overflow.
The Impact of CVE-2018-11683
This vulnerability could allow an attacker to execute arbitrary code or crash the application, potentially leading to a denial of service.
Technical Details of CVE-2018-11683
Vulnerability Description
The vulnerability exists in the parseChars function of Liblouis 3.5.0, allowing for a stack-based Buffer Overflow.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by crafting a malicious input that triggers the Buffer Overflow, potentially leading to code execution or application crashes.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security patches provided by the vendor.
- Consider implementing input validation mechanisms to prevent buffer overflows.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and code reviews to identify and mitigate potential vulnerabilities.
Patching and Updates
Ensure that Liblouis is updated to a patched version that addresses the stack-based Buffer Overflow vulnerability.