Deserialization on untrusted data in Jenkins - CVE-2018-1999042
Published: September 3, 2018 / Updated: September 5, 2018
Vulnerability identifier: #VU14611
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-1999042
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Jenkins
Affected software:
Jenkins
Jenkins
Detailed vulnerability description
The vulnerability allows a remote attacker to obtain potentially sensitive information.
The vulnerability exists in XStream2.java due to deserializing of an instance of java.net.URL. A remote attacker can supply malicious input and and have Jenkins resolve a domain name.
How to mitigate CVE-2018-1999042
The vulnerability has been fixed in the versions 2.138, 2.121.3.