Session fixation attack in Jetty - CVE-2018-12538
Published: June 29, 2018 / Updated: July 2, 2018
Vulnerability identifier: #VU13531
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-2018-12538
CWE-ID: CWE-384
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Eclipse
Affected software:
Jetty
Jetty
Detailed vulnerability description
The vulnerability allows a remote attacker to a session fixation attack on a target system.
The vulnerability exists due to improper security restrictions when the FileSessionDataStore class is used for persistent storage of HTTP session details. A remote attacker can submit a partial session ID, delete other unmatched HTTP sessions from filesystem storage for the FileSessionDataStore class and hijack existing HTTP sessions or cause the service to crash.
How to mitigate CVE-2018-12538
Update to version 9.4.9.v20180320 or later.