Jenkins Nexus Platform Plugin missing permission check
Jenkins Nexus Platform Plugin 3.18.0-03 and earlier does not perform permission checks in methods implementing form validation. This allows attackers with Overall/Read permission to send an HTTP request to an attacker-specified URL and parse the response as XML. Additionally, the plugin does not configure its XML parser to prevent XML external entity (XXE) attacks, so attackers can have Jenkins parse a crafted XML response that uses external entities for extraction of secrets from the Jenkins controller or server-side request forgery. Additionally, these form validation methods do not require POST requests, resulting in a cross-site request forgery (CSRF) vulnerability. Nexus Platform Plugin 3.18.1-01 configures its XML parser to prevent XML external entity (XXE) attacks. Additionally, POST requests and Overall/Administer permission are required for the affected HTTP endpoints.
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar |
|---|---|---|
| CVE-2023-50767US | medium | — |
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- http://www.openwall.com/lists/oss-security/2023/12/13/4WEB
- https://github.com/jenkinsci/nexus-platform-pluginPACKAGE
- https://github.com/jenkinsci/nexus-platform-plugin/commit/1d5e1e9e457af5e8ce8c9a403933d6cb73542dbdWEB
- https://github.com/jenkinsci/nexus-platform-plugin/pull/291WEB
- https://nvd.nist.gov/vuln/detail/CVE-2023-50767ADVISORY
- https://www.jenkins.io/security/advisory/2023-12-13/#SECURITY-3204WEB
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