jenkinsci/jenkins · Security
Improper permission checks allow canceling queue items and aborting builds in Jenkins
- GHSA ID
- GHSA-q4wp-8c99-69pw
- CVE ID
- CVE-2021-21670
- Severity
- medium
- Published
- Updated
- CVSS
- 4.3 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- CVSS v3
- 4.3 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Description
Jenkins 2.299 and earlier, LTS 2.289.1 and earlier allows users to cancel queue items and abort builds of jobs for which they have Item/Cancel permission even when they do not have Item/Read permission.
Jenkins 2.300, LTS 2.289.2 requires that users have Item/Read permission for applicable types in addition to Item/Cancel permission.
As a workaround on earlier versions of Jenkins, do not grant Item/Cancel permission to users who do not have Item/Read permission.
CWEs
- CWE-863 · Incorrect Authorization
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-21670 ↗
- https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2278 ↗
- http://www.openwall.com/lists/oss-security/2021/06/30/1 ↗
- https://github.com/jenkinsci/jenkins/commit/86b7d7e789586575522650c60d591605facb1d70 ↗
- https://github.com/advisories/GHSA-q4wp-8c99-69pw ↗