CVE-2020-2222: XSS
First published: Wed Jul 15 2020(Updated: )
A flaw was found in jenkins in versions prior to 2.244 and versions prior to LTS 2.235.1. Job names in the 'Keep this build forever' badge tooltip are not properly escaped which results in a stored cross-site scripting (XSS) vulnerability exploitable by users able to configure job names. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Credit: jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/jenkins | <2.245 | 2.245 |
| redhat/jenkins | <0:2.235.2.1597220898-1.el7 | 0:2.235.2.1597220898-1.el7 |
| redhat/jenkins | <0:2.235.5.1600415514-1.el7 | 0:2.235.5.1600415514-1.el7 |
| redhat/jenkins | <0:2.235.2.1597312065-1.el7 | 0:2.235.2.1597312065-1.el7 |
| redhat/jenkins | <0:2.235.2.1597312414-1.el7 | 0:2.235.2.1597312414-1.el7 |
| Jenkins Jenkins | <=2.235.1 | |
| Jenkins Jenkins | <=2.244 | |
| maven/org.jenkins-ci.main:jenkins-core | >=2.236<=2.244 | 2.245 |
| maven/org.jenkins-ci.main:jenkins-core | <=2.235.1 | 2.235.2 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2020-2222
- https://jenkins.io/security/advisory/2020-07-15/#SECURITY-1902
- http://www.openwall.com/lists/oss-security/2020/07/15/5
- https://github.com/jenkinsci/jenkins/commit/e7443ef2ef255253231f3f1db0034fae39f0cba5
- https://github.com/advisories/GHSA-864v-5q2g-fr64 (Advisory)
- https://www.jenkins.io/security/advisory/2020-07-15/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1857432
- https://access.redhat.com/errata/RHSA-2020:3519
- https://access.redhat.com/security/cve/cve-2020-2222
- https://access.redhat.com/errata/RHSA-2020:3541
- https://access.redhat.com/errata/RHSA-2020:3808
- https://bugzilla.redhat.com/show_bug.cgi?id=1857431
- https://www.cve.org/CVERecord?id=CVE-2020-2222 https://nvd.nist.gov/vuln/detail/CVE-2020-2222
- https://access.redhat.com/errata/RHBA-2020:3441
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the vulnerability ID?
CVE-2020-2222
What is the severity of CVE-2020-2222?
The severity of CVE-2020-2222 is high with a severity value of 8.
How does CVE-2020-2222 affect Jenkins?
CVE-2020-2222 affects Jenkins versions prior to 2.244 and LTS 2.235.1.
What is the impact of CVE-2020-2222?
CVE-2020-2222 allows stored cross-site scripting (XSS) attacks.
How can I fix CVE-2020-2222?
To fix CVE-2020-2222, update Jenkins to version 2.245 or LTS 2.235.2.1597220898-1.el7.
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