Description

The agent-to-controller security check FilePath#reading(FileVisitor) in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not reject any operations, allowing users to have unrestricted read access using certain operations (creating archives, FilePath#copyRecursiveTo).

Remediation

References

CVE-2021-21688

Related Vulnerabilities

Drupal Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2021-41183)

Roundcube Improper Input Validation Vulnerability (CVE-2011-1492)

Jboss EAP Cryptographic Issues Vulnerability (CVE-2013-1921)

GlassFish Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2009-1553)

Nexus Repository Manager Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Vulnerability (CVE-2021-34553)

Severity

High

Classification

CVE-2021-21688 CWE-862 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Tags

Missing Update Known Vulnerabilities