CVE-2020-35849 : Exploit Details and Defense Strategies

An issue was discovered in MantisBT before 2.24.4 that allows an unprivileged attacker to access potentially confidential information.

Understanding CVE-2020-35849

This CVE identifies a vulnerability in MantisBT that could lead to unauthorized access to private issue details.

What is CVE-2020-35849?

The vulnerability in MantisBT before version 2.24.4 allows unprivileged attackers to view private issue details and bugnotes revisions, potentially exposing confidential information.

The Impact of CVE-2020-35849

The vulnerability enables unauthorized access to sensitive data, compromising the confidentiality of private issues and bugnotes revisions.

Technical Details of CVE-2020-35849

This section provides technical insights into the vulnerability.

Vulnerability Description

An incorrect access check in bug_revision_view_page.php permits unprivileged attackers to view the Summary field of private issues and bugnotes revisions via the bugnote_id parameter.

Affected Systems and Versions

Product: MantisBT
Versions affected: Before 2.24.4

Exploitation Mechanism

The vulnerability is exploited by manipulating the bugnote_id parameter to gain unauthorized access to private issue details.

Mitigation and Prevention

Protect your systems from CVE-2020-35849 with the following measures:

Immediate Steps to Take

Upgrade MantisBT to version 2.24.4 or later to mitigate the vulnerability.
Restrict access to sensitive information to authorized users only.

Long-Term Security Practices

Regularly review and update access control mechanisms.
Conduct security training to raise awareness of data confidentiality.

Patching and Updates

Stay informed about security patches and updates for MantisBT to address vulnerabilities promptly.