CVE-2019-3397 : Vulnerability Insights and Analysis
Learn about CVE-2019-3397 affecting Atlassian Bitbucket Data Center instances, allowing remote code execution via a path traversal vulnerability. Take immediate steps to update and secure your systems.
Atlassian Bitbucket Data Center instances are vulnerable to remote code execution due to a path traversal flaw in the Data Center migration tool.
Understanding CVE-2019-3397
Vulnerable versions of Atlassian Bitbucket Data Center instances allow attackers with administrative privileges to execute code remotely.
What is CVE-2019-3397?
The vulnerability in Atlassian Bitbucket Data Center instances enables attackers to exploit a path traversal issue in the Data Center migration tool, leading to remote code execution.
The Impact of CVE-2019-3397
Attackers with administrative access can compromise Bitbucket server instances by executing code remotely through the path traversal vulnerability.
Technical Details of CVE-2019-3397
Atlassian Bitbucket Data Center instances are affected by a critical path traversal vulnerability.
Vulnerability Description
The vulnerability allows attackers with administrative privileges to execute code remotely on Bitbucket server instances by exploiting the path traversal flaw in the Data Center migration tool.
Affected Systems and Versions
- Bitbucket Data Center versions 5.13.0 to 5.13.6
- Bitbucket Data Center versions 5.14.0 to 5.14.4
- Bitbucket Data Center versions 5.15.0 to 5.15.3
- Bitbucket Data Center versions 5.16.0 to 5.16.3
- Bitbucket Data Center versions 6.0.0 to 6.0.3
- Bitbucket Data Center versions 6.1.0 to 6.1.2
Exploitation Mechanism
Attackers exploit the path traversal vulnerability in the Data Center migration tool to achieve remote code execution on vulnerable Bitbucket server instances.
Mitigation and Prevention
Immediate action is necessary to secure affected systems and prevent exploitation.
Immediate Steps to Take
- Update Bitbucket Data Center to the fixed versions: 5.13.6, 5.14.4, 5.15.3, 5.16.3, 6.0.3, and 6.1.2
- Monitor for any unauthorized access or suspicious activities
Long-Term Security Practices
- Regularly apply security patches and updates
- Implement least privilege access controls to limit administrative permissions
Patching and Updates
- Atlassian has released fixed versions for the affected Bitbucket Data Center instances. Ensure timely patching to mitigate the vulnerability.