Information Exposure Affecting org.jenkins-ci.main:jenkins-core package, versions [,2.263.2) [2.270,2.275)
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Test your applications- Snyk ID SNYK-JAVA-ORGJENKINSCIMAIN-1062534
- published 20 Jan 2021
- disclosed 19 Jan 2021
- credit Wadeck Follonier, CloudBees, Inc.
Introduced: 19 Jan 2021
CVE-2021-21606 Open this link in a new tabHow to fix?
Upgrade org.jenkins-ci.main:jenkins-core to version 2.263.2, 2.275 or higher.
Overview
org.jenkins-ci.main:jenkins-core is an open source automation server.
Affected versions of this package are vulnerable to Information Exposure. Provides a REST API to check where a given fingerprint was used by which builds. This endpoint does not fully validate that the provided fingerprint ID is properly formatted before checking for the XML metadata for that fingerprint on the controller file system.This allows attackers with Overall/Read permission to check for the existence of XML files on the controller file system where the relative path can be constructed as 32 characters.