CVE-2018-20424 : Exploit Details and Defense Strategies
Learn about CVE-2018-20424, a vulnerability in DiscuzX 3.4 enabling remote attackers to delete common_member_wechatmp data structure. Find out the impact, affected systems, exploitation, and mitigation steps.
DiscuzX 3.4 vulnerability allows remote attackers to delete common_member_wechatmp data structure.
Understanding CVE-2018-20424
In DiscuzX 3.4, a vulnerability exists when WeChat login is enabled, enabling remote attackers to delete the common_member_wechatmp data structure.
What is CVE-2018-20424?
This vulnerability in DiscuzX 3.4 allows attackers to delete data structures by sending specific requests.
The Impact of CVE-2018-20424
The vulnerability enables remote attackers to delete essential data structures, potentially causing data loss or system instability.
Technical Details of CVE-2018-20424
Vulnerability Description
DiscuzX 3.4 vulnerability allows attackers to delete common_member_wechatmp data structure via specific requests.
Affected Systems and Versions
- Product: DiscuzX 3.4
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
Attackers exploit the vulnerability by sending an ac=unbindmp request to plugin.php.
Mitigation and Prevention
Immediate Steps to Take
- Disable WeChat login if not essential
- Monitor and restrict access to plugin.php
Long-Term Security Practices
- Regularly update DiscuzX to the latest version
- Implement strong access controls and authentication mechanisms
Patching and Updates
Apply patches or updates provided by DiscuzX to address the vulnerability.