CVE-2023-50771
First published: Wed Dec 13 2023(Updated: )
Jenkins OpenId Connect Authentication Plugin 2.6 and earlier improperly determines that a redirect URL after login is legitimately pointing to Jenkins, allowing attackers to perform phishing attacks.
Credit: jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Jenkins Openid | <=2.6 | |
| maven/org.jenkins-ci.plugins:oic-auth | <3.0 | 3.0 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2023/12/13/4
- https://www.jenkins.io/security/advisory/2023-12-13/#SECURITY-2979
- https://nvd.nist.gov/vuln/detail/CVE-2023-50771
- https://github.com/advisories/GHSA-9qv8-7jfq-73j2 (Advisory)
- https://github.com/jenkins-infra/update-center2/pull/767
- https://github.com/jenkinsci/oic-auth-plugin/pull/261
- https://github.com/jenkinsci/oic-auth-plugin/commit/a97a4041f39c85aa746c047ac14ee69199dadf05
- https://github.com/jenkinsci/oic-auth-plugin/releases/tag/oic-auth-3.0
Frequently Asked Questions
What is the severity of CVE-2023-50771?
CVE-2023-50771 is classified as a medium severity vulnerability.
How do I fix CVE-2023-50771?
To fix CVE-2023-50771, upgrade the Jenkins OpenId Connect Authentication Plugin to version 3.0 or later.
What are the implications of CVE-2023-50771?
CVE-2023-50771 allows attackers to perform phishing attacks by improperly determining redirect URLs after login.
Which versions of Jenkins are affected by CVE-2023-50771?
Jenkins OpenId Connect Authentication Plugin versions 2.6 and earlier are affected by CVE-2023-50771.
What type of attack is associated with CVE-2023-50771?
CVE-2023-50771 is associated with phishing attacks due to improper validation of redirect URLs.
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