Stored cross-site scripting in Jenkins Subversion Plugin - CVE-2020-2111

 

Stored cross-site scripting in Jenkins Subversion Plugin - CVE-2020-2111

Published: February 13, 2020


Vulnerability identifier: #VU25281
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2020-2111
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to the affected software does not escape the error message for the Project Repository Base URL field form validation. A remote authenticated attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Affected software

Jenkins Subversion Plugin
jenkins-2-plugins (Red Hat package)
Red Hat OpenShift Container Platform

How to mitigate CVE-2020-2111

Install updates from vendor's website.

Jenkins Subversion Plugin - update to 2.13.1
jenkins-2-plugins (Red Hat package) - addressed in versions 3.11.1591354111-1.el7, 4.3.1597915133-1.el7, 4.4.1592817009-1.el7

External References

Related Security Bulletins