SB2018021516 - Remote code execution in Jenkins
Published: February 15, 2018 Updated: October 2, 2025
Security Bulletin ID
SB2018021516
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Command injection (CVE-ID: CVE-2017-1000353)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to lack of serialized object validation. A remote attacker can transfer a serialized Java SignedObject object to the remoting-based Jenkins CLI, deserialize it using a new ObjectInputStream, bypass the existing blacklist-based protection mechanism, inject arbitrary commands and execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.