CVE-2021-21698: Path Traversal
First published: Thu Nov 04 2021(Updated: )
Jenkins Subversion Plugin 2.15.0 and earlier does not restrict the name of a file when looking up a subversion key file on the controller from an agent.
Credit: jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Jenkins Subversion | <=2.15.0 | |
| redhat/Subversion Plugin | <2.15.1 | 2.15.1 |
| maven/org.jenkins-ci.plugins:subversion | <=2.15.0 | 2.15.1 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2021-21698
- https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2506
- http://www.openwall.com/lists/oss-security/2021/11/04/3
- https://github.com/jenkinsci/subversion-plugin/commit/7d1525edea6641a2febd3f7deeac55c0a89b0d7e
- https://github.com/advisories/GHSA-q58j-fhj7-j6fg (Advisory)
- https://access.redhat.com/errata/RHSA-2021:4833
- https://access.redhat.com/errata/RHSA-2021:4829
- https://access.redhat.com/errata/RHSA-2021:4801
- https://access.redhat.com/errata/RHSA-2021:4799
- https://access.redhat.com/errata/RHSA-2021:4827
- https://access.redhat.com/security/cve/cve-2021-21698
- https://bugzilla.redhat.com/show_bug.cgi?id=2020385
Frequently Asked Questions
What is CVE-2021-21698?
CVE-2021-21698 is a vulnerability in the Jenkins Subversion Plugin that allows file name restriction bypass when looking up a subversion key file on the controller from an agent.
How severe is CVE-2021-21698?
CVE-2021-21698 has a severity rating of 7.5 (high).
Which software versions are affected by CVE-2021-21698?
Jenkins Subversion Plugin versions up to and including 2.15.0 are affected by CVE-2021-21698.
How can I fix CVE-2021-21698?
To fix CVE-2021-21698, upgrade to Jenkins Subversion Plugin version 2.15.1 or later.
Where can I find more information about CVE-2021-21698?
You can find more information about CVE-2021-21698 at the following references: [1](http://www.openwall.com/lists/oss-security/2021/11/04/3), [2](https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2506), [3](https://access.redhat.com/errata/RHSA-2021:4833).
- collector/github-advisory-latest
- alias/GHSA-q58j-fhj7-j6fg
- alias/CVE-2021-21698
- collector/github-advisory
- agent/type
- agent/softwarecombine
- agent/weakness
- agent/references
- agent/author
- agent/severity
- collector/redhat-bugzilla
- source/Red Hat
- agent/software-canonical-lookup
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/description
- agent/trending
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-api
- collector/nvd-cve
- package-manager/maven
- package-manager/redhat
- vendor/jenkins
- canonical/jenkins subversion
- version/jenkins subversion/2.15.0