CVE-2018-20422 : Vulnerability Insights and Analysis

Discuz! DiscuzX 3.4 vulnerability allows attackers to bypass authentication via WeChat login.

Understanding CVE-2018-20422

When using DiscuzX 3.4 with WeChat login enabled, attackers can exploit a specific field to gain unauthorized access to user accounts.

What is CVE-2018-20422?

Attackers can bypass authentication in DiscuzX 3.4 with WeChat login enabled.
Unauthorized access is gained by exploiting a non-empty value in a specific field.
Attackers can access accounts by making a specific request.

The Impact of CVE-2018-20422

Remote attackers can gain unauthorized access to user accounts.
The attacker can access accounts without control over which account is accessed.

Technical Details of CVE-2018-20422

Discuz! DiscuzX 3.4 vulnerability details.

Vulnerability Description

Attackers can bypass authentication in DiscuzX 3.4 with WeChat login enabled.

Affected Systems and Versions

Product: DiscuzX 3.4
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers exploit a non-empty value in the #wechat#common_member_wechatmp field.

Mitigation and Prevention

Protecting against CVE-2018-20422.

Immediate Steps to Take

Disable WeChat login in DiscuzX 3.4 if not essential.
Monitor account activities for unauthorized access.

Long-Term Security Practices

Regularly update DiscuzX to the latest version.
Implement multi-factor authentication for enhanced security.

Patching and Updates

Apply patches provided by DiscuzX to fix the vulnerability.