Description

The loadUserByUsername function in hudson/security/HudsonPrivateSecurityRealm.java in Jenkins before 1.551 and LTS before 1.532.2 allows remote attackers to determine whether a user exists via vectors related to failed login attempts.

Remediation

References

http://www.openwall.com/lists/oss-security/2014/02/21/2

https://github.com/jenkinsci/jenkins/commit/fbf96734470caba9364f04e0b77b0bae7293a1ec

https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2014-02-14

Related Vulnerabilities

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CVE-2021-23558 Vulnerability in npm package bmoor

CVE-2011-2204 Vulnerability in maven package org.apache.tomcat:tomcat-catalina

CVE-2017-16006 Vulnerability in maven package org.webjars:remarkable

CVE-2014-3596 Vulnerability in maven package axis:axis

Severity

Critical

Classification

CWE-200

Tags

Patch Vendor Advisory