CVE-2017-16859 : Exploit Details and Defense Strategies

Atlassian Fisheye and Crucible versions prior to 4.3.2, between 4.4.0 and 4.4.3, and prior to 4.5.0 are affected by a path traversal vulnerability that allows remote attackers to access files within the application's context path.

Understanding CVE-2017-16859

This CVE identifies a security issue in Atlassian Fisheye and Crucible.

What is CVE-2017-16859?

The vulnerability in Atlassian Fisheye and Crucible allows remote attackers to exploit a path traversal vulnerability to access files within the application's context path.

The Impact of CVE-2017-16859

The vulnerability can lead to unauthorized access to sensitive files and data within the application, potentially compromising the confidentiality and integrity of the system.

Technical Details of CVE-2017-16859

Atlassian Fisheye and Crucible are affected by a path traversal vulnerability.

Vulnerability Description

Remote attackers can exploit the path traversal vulnerability to read files within the context path of the running application.

Affected Systems and Versions

Atlassian Fisheye and Crucible versions prior to 4.3.2
Versions between 4.4.0 and 4.4.3
Versions prior to 4.5.0

Exploitation Mechanism

The vulnerability is exploited through a path traversal vulnerability found in the command parameter.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of CVE-2017-16859.

Immediate Steps to Take

Update Atlassian Fisheye and Crucible to version 4.3.2 or higher to mitigate the vulnerability.
Monitor and restrict access to sensitive files and directories within the application.

Long-Term Security Practices

Regularly review and update security configurations to prevent similar vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential security gaps.

Patching and Updates

Apply security patches provided by Atlassian promptly to address the vulnerability and enhance system security.