CVE-2018-11547 : Vulnerability Insights and Analysis
Learn about CVE-2018-11547, a vulnerability in md4c 0.2.5 that allows for a heap-based buffer over-read. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
In md4c 0.2.5, a heap-based buffer over-read issue exists in the function md_is_link_reference_definition_helper due to mishandling of loop termination in the md_is_link_label function.
Understanding CVE-2018-11547
What is CVE-2018-11547?
This CVE refers to a specific vulnerability in md4c 0.2.5 that allows for a heap-based buffer over-read.
The Impact of CVE-2018-11547
The vulnerability can potentially lead to information disclosure or denial of service if exploited.
Technical Details of CVE-2018-11547
Vulnerability Description
The issue arises from a mishandling of loop termination in the md_is_link_label function, leading to a heap-based buffer over-read in md_is_link_reference_definition_helper.
Affected Systems and Versions
- Product: md4c 0.2.5
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
The vulnerability can be exploited by manipulating the loop termination in the md_is_link_label function to trigger the heap-based buffer over-read.
Mitigation and Prevention
Immediate Steps to Take
- Update md4c to the latest version to patch the vulnerability.
- Monitor vendor communications for any security advisories.
Long-Term Security Practices
- Regularly update software and libraries to mitigate potential vulnerabilities.
- Conduct security assessments and code reviews to identify and address similar issues.
Patching and Updates
Apply patches and updates provided by the md4c project to address the heap-based buffer over-read vulnerability.