SB2019030707 - Security restrictions bypass in Jenkins Job DSL plugin

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Main Vulnerability Database SB2019030707

SB2019030707 - Security restrictions bypass in Jenkins Job DSL plugin

Published: March 7, 2019

Security Bulletin ID SB2019030707
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Security restrictions bypass (CVE-ID: N/A)

The vulnerability allows a remote attacker to execute arbitrary code on the vulnerable server.

The vulnerability exists due to an error when parsing, compiling or instantiating a Groovy script within the support for sandboxed Groovy expressions for Job DSL definitions. A remote attacker with the ability to control the Job DSL scripts can supply a specially crafted Groovy script, bypass the sandbox protection and execute arbitrary code on the Jenkins master.

Successful exploitation of the vulnerability may allow an attacker to compromise the affected server.


Remediation

Install update from vendor's website.

References