SB2019082821 - Remote code execution in Splunk plugin for Jenkins



SB2019082821 - Remote code execution in Splunk plugin for Jenkins

Published: August 28, 2019 Updated: October 7, 2019

Security Bulletin ID SB2019082821
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-10390)

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the affected software has a form validation HTTP endpoint used to validate a user-submitted Groovy script through compilation, which was not subject to sandbox protection. A remote authenticated attacker with Overall/Read access can execute arbitrary code on the Jenkins master by applying AST transforming annotations such as "@Grab" to source code elements.


Remediation

Install update from vendor's website.