CVE-2018-12538

Publication date 22 June 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

In Eclipse Jetty versions 9.4.0 through 9.4.8, when using the optional Jetty provided FileSessionDataStore for persistent storage of HttpSession details, it is possible for a malicious user to access/hijack other HttpSessions and even delete unmatched HttpSessions present in the FileSystem's storage for the FileSessionDataStore.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
jetty	18.04 LTS bionic	Not in release
	17.10 artful	Not in release
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected
jetty9	18.04 LTS bionic	Not affected
	17.10 artful	Ignored end of life
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release

Notes

msalvatore

Vulnerable code introduced in 9.4.0

Severity score breakdown

Parameter	Value
Base score	8.8 · High
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H