CVE-2020-2306
First published: Wed Nov 04 2020(Updated: )
A missing permission check in Jenkins Mercurial Plugin 2.11 and earlier allows attackers with Overall/Read permission to obtain a list of names of configured Mercurial installations.
Credit: jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/jenkins | <2-plugins-0:3.11.1612862361-1.el7 | 2-plugins-0:3.11.1612862361-1.el7 |
| redhat/jenkins | <2-plugins-0:4.5.1610108899-1.el7 | 2-plugins-0:4.5.1610108899-1.el7 |
| redhat/jenkins | <2-plugins-0:4.6.1609853716-1.el8 | 2-plugins-0:4.6.1609853716-1.el8 |
| maven/org.jenkins-ci.plugins:mercurial | <2.8.1 | 2.8.1 |
| maven/org.jenkins-ci.plugins:mercurial | =2.9 | 2.9.1 |
| maven/org.jenkins-ci.plugins:mercurial | =2.10 | 2.10.1 |
| maven/org.jenkins-ci.plugins:mercurial | =2.11 | 2.12 |
| redhat/mercurial | <2.12 | 2.12 |
| Mercurial | <=2.11 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2020-2306
- https://www.jenkins.io/security/advisory/2020-11-04/#SECURITY-2104
- https://github.com/CVEProject/cvelist/blob/381fe967666a5ce01625a7a050427aa4757e3ca6/2020/2xxx/CVE-2020-2306.json
- https://github.com/jenkinsci/mercurial-plugin/commit/edd59db1eec7e3c8d467372cd8417ae65eeb29dd
- https://github.com/advisories/GHSA-vrrc-3wwh-frgx (Advisory)
- https://access.redhat.com/errata/RHSA-2021:0038
- https://access.redhat.com/security/cve/cve-2020-2306
- https://access.redhat.com/errata/RHSA-2021:0034
- https://access.redhat.com/errata/RHSA-2021:0637
- https://bugzilla.redhat.com/show_bug.cgi?id=1895941
- https://www.cve.org/CVERecord?id=CVE-2020-2306 https://nvd.nist.gov/vuln/detail/CVE-2020-2306 https://www.jenkins.io/security/advisory/2020-11-04/#SECURITY-2104
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the severity of CVE-2020-2306?
CVE-2020-2306 has a medium severity level as it allows unauthorized access to configured Mercurial installations.
How do I fix CVE-2020-2306?
To fix CVE-2020-2306, upgrade the Jenkins Mercurial Plugin to version 2.12 or later.
What is affected by CVE-2020-2306?
CVE-2020-2306 affects Jenkins Mercurial Plugin versions 2.11 and earlier.
What type of attack does CVE-2020-2306 enable?
CVE-2020-2306 enables attackers with overall read permission to retrieve configuration details of Mercurial installations.
Is authentication required for exploiting CVE-2020-2306?
No, attackers can exploit CVE-2020-2306 without needing to authenticate, as the vulnerability exists in an HTTP endpoint.
- collector/redhat-cve
- collector/github-advisory-latest
- alias/GHSA-vrrc-3wwh-frgx
- alias/CVE-2020-2306
- collector/github-advisory
- agent/type
- agent/first-publish-date
- agent/softwarecombine
- agent/references
- agent/severity
- agent/weakness
- agent/author
- collector/redhat-bugzilla
- source/Red Hat
- agent/software-canonical-lookup
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/description
- agent/event
- agent/trending
- agent/source
- agent/tags
- collector/nvd-api
- agent/software-canonical-lookup-request
- collector/nvd-index
- collector/nvd-cve
- package-manager/redhat
- package-manager/maven
- vendor/jenkins
- canonical/mercurial
- version/mercurial/2.11