CVE-2018-1000602 : Vulnerability Insights and Analysis
Learn about CVE-2018-1000602, a session fixation vulnerability in Jenkins SAML Plugin allowing unauthorized user impersonation. Find mitigation steps and preventive measures here.
A session fixation vulnerability has been identified in Jenkins SAML Plugin prior to version 1.0.6, allowing unauthorized users to impersonate others by manipulating pre-authentication sessions.
Understanding CVE-2018-1000602
This CVE involves a security flaw in the SamlSecurityRealm.java file of Jenkins SAML Plugin.
What is CVE-2018-1000602?
The vulnerability in Jenkins SAML Plugin versions before 1.0.6 enables unauthorized individuals to take on the identity of different users through session fixation.
The Impact of CVE-2018-1000602
The exploit allows attackers to impersonate users if they can control the pre-authentication session, potentially leading to unauthorized access and misuse of sensitive information.
Technical Details of CVE-2018-1000602
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The vulnerability exists in the SamlSecurityRealm.java file of Jenkins SAML Plugin versions prior to 1.0.6, facilitating unauthorized user impersonation.
Affected Systems and Versions
- Product: Jenkins SAML Plugin
- Vendor: Jenkins
- Versions Affected: Prior to 1.0.6
Exploitation Mechanism
Unauthorized perpetrators can exploit this vulnerability by manipulating the pre-authentication session to assume the identity of different users.
Mitigation and Prevention
Protecting systems from CVE-2018-1000602 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Upgrade Jenkins SAML Plugin to version 1.0.6 or later to mitigate the vulnerability.
- Monitor and restrict access to pre-authentication sessions to prevent unauthorized manipulation.
Long-Term Security Practices
- Regularly update and patch software to address security vulnerabilities promptly.
- Implement strong authentication mechanisms to enhance user identity verification.
Patching and Updates
Ensure timely installation of security patches and updates to Jenkins SAML Plugin to prevent exploitation of this vulnerability.