CVE-2019-15012 : Vulnerability Insights and Analysis
Learn about CVE-2019-15012 affecting Bitbucket Server and Data Center versions 4.13 to 6.9.1, allowing remote code execution. Find mitigation steps and prevention measures.
Bitbucket Server and Bitbucket Data Center versions 4.13 to 6.9.1 had a vulnerability allowing remote code execution through the "edit-file" request.
Understanding CVE-2019-15012
This CVE involves a critical security issue in Bitbucket Server and Bitbucket Data Center that could lead to remote code execution.
What is CVE-2019-15012?
The vulnerability in Bitbucket Server and Bitbucket Data Center versions 4.13 to 6.9.1 allowed remote attackers to execute arbitrary code by exploiting the "edit-file" request.
The Impact of CVE-2019-15012
- Malicious attackers with write permission on a repository could write to any file on the victim's instance, potentially executing arbitrary code.
Technical Details of CVE-2019-15012
This section provides more technical insights into the vulnerability.
Vulnerability Description
- The vulnerability enabled remote code execution through the "edit-file" request in affected Bitbucket Server and Bitbucket Data Center versions.
Affected Systems and Versions
- Products: Bitbucket Server, Bitbucket Data Center
- Vendor: Atlassian
- Affected Versions: 4.13 to 6.9.1 (excluding specific versions)
Exploitation Mechanism
- Attackers with write permissions on a repository could exploit the vulnerability by writing to any file on the victim's instance using the "edit-file" endpoint.
Mitigation and Prevention
Protecting systems from this vulnerability is crucial for maintaining security.
Immediate Steps to Take
- Upgrade affected Bitbucket Server and Bitbucket Data Center instances to versions that include the necessary security patches.
- Monitor for any unauthorized access or suspicious activities on the systems.
Long-Term Security Practices
- Implement strict access controls and permissions to limit write access to critical files.
- Regularly update and patch software to address known vulnerabilities.
Patching and Updates
- Ensure timely installation of security patches and updates provided by Atlassian to address the CVE-2019-15012 vulnerability.