SB2016111101 - Remote code execution in Jenkins
Published: November 11, 2016 Updated: February 17, 2017
Security Bulletin ID
SB2016111101
CSH Severity
Critical
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 vulnerability.
1) LDAP injection (CVE-ID: CVE-2016-9299)
CWE-ID: CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to the flaw in the remoting module when handling malicious objects. A remote attacker can transfer a specially crafted serialized Java object to the Jenkins CLI, make Jenkins connect to an attacker-controlled LDAP server, bypass existing protection mechanisms and execute arbitrary code on vulnerable system.
Successful exploitation of the vulnerability results in arbitrary code excution on the vulnerable system.
Note: the vulnerability was being actively exploited.
Remediation
Install update from vendor's website.