Description
The WEBrick gem 1.4.2 for Ruby allows directory traversal if the attacker once had local access to create a symlink to a location outside of the web root directory. NOTE: The vendor states that this is analogous to Options FollowSymlinks in the Apache HTTP Server, and therefore it is "not a problem.
References (1)
Core 1
Core References
Issue Tracking, Vendor Advisory x_refsource_misc
https://bugs.ruby-lang.org/issues/15835
Scores
CVSS v3
5.5
EPSS
0.0055
EPSS Percentile
41.5%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-22
CWE-59
Status
published
Products (1)
ruby-lang/webrick
1.4.2
Published
May 10, 2019
Tracked Since
Feb 18, 2026