CVE-2020-2230: XSS
First published: Wed Aug 12 2020(Updated: )
A flaw was found in Jenkins in versions prior to 2.251 and LTS 2.235.3. The project naming strategy description, displayed on item creation, is not properly escaped. This can result in a stored cross-site scripting (XSS) vulnerability exploitable by users with Overall/Manage permissions. The highest threat from this vulnerability is to data confidentiality and integrity.
Credit: jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/jenkins | <0:2.235.5.1600415953-1.el7 | 0:2.235.5.1600415953-1.el7 |
| redhat/jenkins | <0:2.235.5.1600415514-1.el7 | 0:2.235.5.1600415514-1.el7 |
| redhat/jenkins | <0:2.235.5.1600414805-1.el7 | 0:2.235.5.1600414805-1.el7 |
| maven/org.jenkins-ci.main:jenkins-core | >=2.236<=2.251 | 2.252 |
| maven/org.jenkins-ci.main:jenkins-core | <=2.235.3 | 2.235.4 |
| redhat/Jenkins | <2.252 | 2.252 |
| redhat/Jenkins-LTS | <2.235.4 | 2.235.4 |
| Jenkins LTS | <=2.235.3 | |
| Jenkins LTS | <=2.251 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2020-2230
- https://jenkins.io/security/advisory/2020-08-12/#SECURITY-1957
- http://packetstormsecurity.com/files/160443/Jenkins-2.235.3-Cross-Site-Scripting.html
- http://www.openwall.com/lists/oss-security/2020/08/12/4
- https://github.com/jenkinsci/jenkins/commit/e49f690939596acbc9a1be64128b2c7eaf91a6db
- https://github.com/advisories/GHSA-9g4m-ffx6-c29g (Advisory)
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1875233
- https://access.redhat.com/errata/RHSA-2020:3841
- https://access.redhat.com/security/cve/cve-2020-2230
- https://access.redhat.com/errata/RHSA-2020:4220
- https://access.redhat.com/errata/RHSA-2020:4223
- https://bugzilla.redhat.com/show_bug.cgi?id=1875232
- https://www.cve.org/CVERecord?id=CVE-2020-2230 https://nvd.nist.gov/vuln/detail/CVE-2020-2230 https://jenkins.io/security/advisory/2020-08-12/#SECURITY-1957
- https://access.redhat.com/errata/RHSA-2020:3808
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the severity of CVE-2020-2230?
CVE-2020-2230 is classified as a medium severity stored cross-site scripting vulnerability.
Who is affected by CVE-2020-2230?
CVE-2020-2230 affects Jenkins versions prior to 2.251 and LTS 2.235.3.
How do I fix CVE-2020-2230?
To fix CVE-2020-2230, upgrade Jenkins to version 2.252 or later, or LTS version 2.235.4 or later.
What can attackers do with CVE-2020-2230?
Attackers with Overall/Manage permissions can exploit CVE-2020-2230 to execute malicious scripts in users' browsers.
Is CVE-2020-2230 related to cross-site scripting vulnerabilities?
Yes, CVE-2020-2230 is specifically a stored cross-site scripting (XSS) vulnerability.
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- alias/GHSA-9g4m-ffx6-c29g
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- version/jenkins lts/2.251