CVE-2019-10371 Explained : Impact and Mitigation
Learn about CVE-2019-10371, a session fixation vulnerability in Jenkins Gitlab Authentication Plugin 1.4 and earlier versions allowing unauthorized user impersonation. Find mitigation steps and prevention measures.
A session fixation vulnerability in Jenkins Gitlab Authentication Plugin 1.4 and earlier versions allows unauthorized attackers to impersonate users by manipulating the pre-authentication session.
Understanding CVE-2019-10371
This CVE involves a security vulnerability in the Jenkins Gitlab Authentication Plugin that could lead to user impersonation.
What is CVE-2019-10371?
Unauthorized attackers can exploit a session fixation vulnerability in the GitLabSecurityRealm.java file of Jenkins Gitlab Authentication Plugin versions 1.4 and earlier to impersonate other users.
The Impact of CVE-2019-10371
The vulnerability enables attackers to take over user identities within the affected plugin, potentially leading to unauthorized access and misuse of Jenkins resources.
Technical Details of CVE-2019-10371
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability in Jenkins Gitlab Authentication Plugin versions 1.4 and earlier allows attackers to manipulate pre-authentication sessions, leading to user impersonation.
Affected Systems and Versions
- Product: Jenkins Gitlab Authentication Plugin
- Vendor: Jenkins project
- Versions Affected: 1.4 and earlier
Exploitation Mechanism
Attackers can exploit the session fixation vulnerability by controlling the pre-authentication session, enabling them to impersonate other users within the plugin.
Mitigation and Prevention
Protecting systems from CVE-2019-10371 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Jenkins Gitlab Authentication Plugin to the latest version that contains a patch for the vulnerability.
- Monitor user activities for any suspicious behavior that might indicate unauthorized access.
Long-Term Security Practices
- Regularly review and update all Jenkins plugins to ensure they are running the latest secure versions.
- Implement strong authentication mechanisms and access controls to prevent unauthorized access.
Patching and Updates
- Apply security patches promptly to all Jenkins plugins and software components to address known vulnerabilities and enhance overall system security.