Improper authentication in Jenkins - CVE-2018-1999045

 

Improper authentication in Jenkins - CVE-2018-1999045

Published: September 5, 2018


Vulnerability identifier: #VU14613
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-1999045
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Jenkins
Affected software:
Jenkins

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass authentication on the target system.

The vulnerability exists due to improper authentication in SecurityRealm.java, TokenBasedRememberMeServices2.java. A remote attacker with a valid cookie can remain logged in even if that feature is disabled.


How to mitigate CVE-2018-1999045

The vulnerability has been fixed in the versions 2.138, 2.121.3.

Sources