Improper input validation in Jenkins - CVE-2018-1000864
Published: December 17, 2018 / Updated: December 18, 2018
Vulnerability identifier: #VU16572
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-1000864
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Jenkins
Affected software:
Jenkins
Jenkins
Detailed vulnerability description
The vulnerability allows a remote authenticated attacker to cause DoS condition.
The vulnerability exists due to improper form validation for cron expressions. A remote attacker can send a specially crafted request that submits malicious input and block request handling threads, resulting in a DoS condition.
How to mitigate CVE-2018-1000864
The vulnerability has been fixed in the versions 2.154, 2.138.4, and 2.150.1.