CVE-2017-2610 : What You Need to Know
Learn about CVE-2017-2610 affecting Jenkins versions before 2.44, allowing cross-site scripting attacks. Find mitigation steps and best practices for long-term security.
Jenkins versions prior to 2.44, specifically 2.32.2, have a security flaw allowing a persisted cross-site scripting vulnerability. This vulnerability is identified as SECURITY-388.
Understanding CVE-2017-2610
Jenkins versions 2.44 and 2.32.2 are affected by a security issue that can lead to a cross-site scripting vulnerability.
What is CVE-2017-2610?
This CVE refers to a vulnerability in Jenkins versions before 2.44 and 2.32.2, where users with specific characters in their names are not properly escaped in search suggestions, potentially leading to a cross-site scripting flaw.
The Impact of CVE-2017-2610
- CVSS Score: 5.4 (Medium Severity)
- Attack Vector: Network
- Attack Complexity: Low
- User Interaction: Required
- Scope: Changed
- Confidentiality Impact: Low
- Integrity Impact: Low
- Affected users could be exposed to cross-site scripting attacks due to improper handling of user names.
Technical Details of CVE-2017-2610
Vulnerability Description
The vulnerability arises from the inadequate escaping of user names with specific characters, potentially leading to cross-site scripting attacks.
Affected Systems and Versions
- Affected Systems: Jenkins versions prior to 2.44, specifically 2.32.2
Exploitation Mechanism
The vulnerability can be exploited by users with names containing less-than and greater-than characters, allowing them to execute malicious scripts.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade Jenkins to version 2.44 or newer to mitigate the vulnerability.
- Avoid using special characters in user names to reduce the risk of exploitation.
Long-Term Security Practices
- Regularly monitor and update Jenkins to the latest versions to patch security vulnerabilities.
Patching and Updates
- Stay informed about security advisories and apply patches promptly to ensure system security.