CVE-2020-4018 : Security Advisory and Response
Learn about CVE-2020-4018 affecting Atlassian Crucible and Fisheye before version 4.8.1, allowing remote attackers to manipulate the setup process via a CSRF vulnerability. Find mitigation steps and long-term security practices.
Atlassian Crucible and Fisheye before version 4.8.1 are affected by a CSRF vulnerability that allows remote attackers to complete the setup process.
Understanding CVE-2020-4018
This CVE involves a security issue in Atlassian Crucible and Fisheye that could be exploited by attackers.
What is CVE-2020-4018?
The vulnerability in Atlassian Fisheye and Crucible before version 4.8.1 enables remote attackers to manipulate the setup process through a CSRF attack.
The Impact of CVE-2020-4018
The CSRF vulnerability poses a risk of unauthorized completion of the setup process by malicious actors, potentially leading to further exploitation of the affected systems.
Technical Details of CVE-2020-4018
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The setup resources in Atlassian Fisheye and Crucible before version 4.8.1 are susceptible to CSRF attacks, allowing attackers to interfere with the setup process.
Affected Systems and Versions
- Product: Crucible
- Vendor: Atlassian
- Versions Affected: Less than 4.8.1 (unspecified/custom)
- Product: Fisheye
- Vendor: Atlassian
- Versions Affected: Less than 4.8.1 (unspecified/custom)
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious requests that trick authenticated users into unknowingly executing unauthorized actions.
Mitigation and Prevention
Protecting systems from CVE-2020-4018 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Upgrade Atlassian Fisheye and Crucible to version 4.8.1 or higher to mitigate the CSRF vulnerability.
- Implement CSRF protection mechanisms to prevent unauthorized manipulation of the setup process.
Long-Term Security Practices
- Regularly monitor and audit system logs for any suspicious activities related to CSRF attacks.
- Educate users on recognizing and avoiding CSRF attempts to enhance overall security posture.
Patching and Updates
Stay informed about security updates and patches released by Atlassian to address vulnerabilities like CVE-2020-4018.