CVE-2018-1000503 : Security Advisory and Response
Learn about CVE-2018-1000503, a vulnerability in MyBB's Private forums feature allowing unauthorized access to posts without password authentication. Find mitigation steps and version details here.
A vulnerability in the Private forums feature of MyBB allowed unauthorized users to view posts without password authentication. This loophole was exploitable through an Insecure Direct Object Reference (IDOR) method. The issue was resolved in version 1.8.15 of MyBB.
Understanding CVE-2018-1000503
This CVE entry describes a security vulnerability in MyBB that could lead to unauthorized access to private forum posts.
What is CVE-2018-1000503?
The vulnerability in the Private forums feature of MyBB allowed users to view posts from these forums without the need for password authentication. It could be exploited through an Insecure Direct Object Reference (IDOR) method.
The Impact of CVE-2018-1000503
The vulnerability could result in unauthorized access to private forum posts, compromising the confidentiality of sensitive information.
Technical Details of CVE-2018-1000503
This section provides technical details about the vulnerability in MyBB.
Vulnerability Description
MyBB's Private forums feature had an Incorrect Access Control vulnerability, enabling users to view posts without password authentication.
Affected Systems and Versions
- Product: MyBB
- Versions affected: All versions prior to 1.8.15
Exploitation Mechanism
The vulnerability could be exploited by subscribing to a forum through an Insecure Direct Object Reference (IDOR) method.
Mitigation and Prevention
To address and prevent the exploitation of CVE-2018-1000503, follow these steps:
Immediate Steps to Take
- Upgrade MyBB to version 1.8.15 or later to mitigate the vulnerability.
- Regularly monitor and review access controls to prevent unauthorized access.
Long-Term Security Practices
- Implement strong password policies and user authentication mechanisms.
- Conduct regular security assessments and audits to identify and address vulnerabilities.
Patching and Updates
- Stay informed about security updates and patches released by MyBB.
- Apply patches promptly to ensure the security of your MyBB installation.