CVE-2021-21643
First published: Wed Apr 21 2021(Updated: )
A flaw was found in the config-file-provider Jenkins plugin. The plugin does not correctly perform permission checks in several HTTP endpoints, as a consequence an attacker with global Job/Configure permission can enumerate system-scoped credentials IDs of credentials stored in Jenkins.
Credit: jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/jenkins | <2-plugins-0:3.11.1624366838-1.el7 | 2-plugins-0:3.11.1624366838-1.el7 |
| redhat/jenkins | <2-plugins-0:4.5.1623326336-1.el7 | 2-plugins-0:4.5.1623326336-1.el7 |
| redhat/jenkins | <2-plugins-0:4.6.1623162648-1.el8 | 2-plugins-0:4.6.1623162648-1.el8 |
| redhat/cri-o | <0:1.20.2-12.rhaos4.7.git9f7be76.el8 | 0:1.20.2-12.rhaos4.7.git9f7be76.el8 |
| redhat/cri-tools | <0:1.20.0-3.el7 | 0:1.20.0-3.el7 |
| redhat/jenkins | <2-plugins-0:4.7.1621361158-1.el8 | 2-plugins-0:4.7.1621361158-1.el8 |
| redhat/redhat-release-coreos | <0:47.83-2.el8 | 0:47.83-2.el8 |
| Jenkins Config File Provider | <=3.7.0 | |
| maven/org.jenkins-ci.plugins:config-file-provider | <=3.7.0 | 3.7.1 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2021-21643
- https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2254
- http://www.openwall.com/lists/oss-security/2021/04/21/2
- https://github.com/jenkinsci/config-file-provider-plugin/commit/d615e3278358b033f5e8d0d2e3f38f467b0e29f2
- https://github.com/advisories/GHSA-3m3f-2323-64m7 (Advisory)
- https://access.redhat.com/errata/RHSA-2021:2122
- https://access.redhat.com/security/cve/cve-2021-21643
- https://access.redhat.com/errata/RHSA-2021:2517
- https://access.redhat.com/errata/RHSA-2021:2431
- https://bugzilla.redhat.com/show_bug.cgi?id=1952148
- https://www.cve.org/CVERecord?id=CVE-2021-21643 https://nvd.nist.gov/vuln/detail/CVE-2021-21643 https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2254
- https://access.redhat.com/errata/RHBA-2021:2854
- https://access.redhat.com/errata/RHBA-2021:2407
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-21643.
What is the severity of CVE-2021-21643?
The severity of CVE-2021-21643 is medium with a CVSS score of 6.5.
How does CVE-2021-21643 affect Jenkins Config File Provider Plugin?
CVE-2021-21643 affects Jenkins Config File Provider Plugin version 3.7.0 and earlier.
How can an attacker exploit CVE-2021-21643?
An attacker with global Job/Configure permission can exploit CVE-2021-21643 to enumerate system-scoped credentials IDs stored in Jenkins.
How can I remediate CVE-2021-21643?
To remediate CVE-2021-21643, upgrade to Jenkins Config File Provider Plugin version 3.7.1 or later.
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