CVE-2019-16164 : Exploit Details and Defense Strategies
Learn about CVE-2019-16164 affecting MyHTML up to version 4.0.5. Understand the impact, technical details, and mitigation steps for this NULL pointer dereference vulnerability.
MyHTML through version 4.0.5 is affected by a NULL pointer dereference in myhtml_tree_node_remove in tree.c.
Understanding CVE-2019-16164
This CVE record details a vulnerability in MyHTML up to version 4.0.5.
What is CVE-2019-16164?
The vulnerability involves a NULL pointer dereference in the myhtml_tree_node_remove function in tree.c within MyHTML.
The Impact of CVE-2019-16164
The vulnerability can potentially lead to a denial of service (DoS) condition due to the NULL pointer dereference.
Technical Details of CVE-2019-16164
MyHTML version 4.0.5 is susceptible to a NULL pointer dereference in the myhtml_tree_node_remove function.
Vulnerability Description
The issue arises from improper handling of NULL pointers in the mentioned function.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: Up to version 4.0.5
Exploitation Mechanism
Exploiting this vulnerability requires crafting a specific input to trigger the NULL pointer dereference.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of CVE-2019-16164.
Immediate Steps to Take
- Monitor vendor updates for patches or security advisories.
- Implement proper input validation mechanisms to prevent NULL pointer dereference.
Long-Term Security Practices
- Regularly update software to patched versions.
- Conduct security audits and code reviews to identify and mitigate similar vulnerabilities.
Patching and Updates
Ensure that MyHTML is updated to version 4.0.6 or later to mitigate the vulnerability.