CVE-2020-29446 Explained : Impact and Mitigation

Atlassian Fisheye and Crucible before version 4.8.5 are affected by an Insecure Direct Object References (IDOR) vulnerability that allows remote attackers to browse local files via the WEB-INF directory.

Understanding CVE-2020-29446

This CVE involves a security vulnerability in Atlassian Fisheye and Crucible that enables unauthorized access to local files.

What is CVE-2020-29446?

The CVE-2020-29446 vulnerability in Atlassian Fisheye and Crucible allows attackers to exploit an IDOR flaw to access sensitive files on the server.

The Impact of CVE-2020-29446

The vulnerability can lead to unauthorized disclosure of sensitive information stored in local files, posing a risk to data confidentiality and integrity.

Technical Details of CVE-2020-29446

This section provides detailed technical information about the CVE-2020-29446 vulnerability.

Vulnerability Description

The vulnerability in Atlassian Fisheye and Crucible before version 4.8.5 allows remote attackers to exploit an IDOR flaw in the WEB-INF directory, leading to unauthorized file access.

Affected Systems and Versions

Product: Fisheye
Vendor: Atlassian
Affected Versions: Before 4.8.5
Product: Crucible
Vendor: Atlassian
Affected Versions: Before 4.8.5

Exploitation Mechanism

Attackers can leverage the IDOR vulnerability to manipulate object references and access restricted files in the WEB-INF directory.

Mitigation and Prevention

Protect your systems from CVE-2020-29446 with the following measures:

Immediate Steps to Take

Update Atlassian Fisheye and Crucible to version 4.8.5 or later to mitigate the vulnerability.
Monitor and restrict access to sensitive directories to prevent unauthorized file browsing.

Long-Term Security Practices

Implement regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate users and administrators on secure coding practices and the importance of access control.

Patching and Updates

Stay informed about security updates and patches released by Atlassian to address known vulnerabilities promptly.