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CVE-2021-21639

UNKNOWN
Published 2021-04-07T13:50:13
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No CVSS data available

Description

Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Jenkins project

Jenkins

Affected Versions:

unspecified unspecified

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

Lack of type validation in agent related REST API in Jenkins

GHSA-pvwx-3jx5-24r2

Advisory Details

Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node. This allows attackers with Computer/Configure permission to replace a node with one of a different type. Jenkins 2.287, LTS 2.277.2 validates the type of object created and rejects objects of unexpected types.

Affected Packages

Maven org.jenkins-ci.main:jenkins-core
ECOSYSTEM: ≥0 <2.277.2
Maven org.jenkins-ci.main:jenkins-core
ECOSYSTEM: ≥2.278 <2.287

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-21639
WEB https://github.com/jenkinsci/jenkins/commit/84210baed0c866bdee3e59271f98a767a14a5509
PACKAGE https://github.com/jenkinsci/jenkins
WEB https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721
WEB http://www.openwall.com/lists/oss-security/2021/04/07/2

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: October 27, 2023

References

https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721
http://www.openwall.com/lists/oss-security/2021/04/07/2
Published: 2021-04-07T13:50:13
Last Modified: 2024-08-03T18:16:23.927Z
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