CVE-2018-6356 Information

Description

Jenkins before 2.107 and Jenkins LTS before 2.89.4 did not properly prevent specifying relative paths that escape a base directory for URLs accessing plugin resource files. This allowed users with Overall/Read permission to download files from the Jenkins master they should not have access to. On Windows any file accessible to the Jenkins master process could be downloaded. On other operating systems any file within the Jenkins home directory accessible to the Jenkins master process could be downloaded.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

http://www.openwall.com/lists/oss-security/2018/02/14/1 http://www.securityfocus.com/bid/103037 https://jenkins.io/security/advisory/2018-02-14/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5