CVE-2017-17042

Published: Nov 28, 2017Modified: May 13, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

lib/yard/core_ext/file.rb in the server in YARD before 0.9.11 does not block relative paths with an initial ../ sequence, which allows attackers to conduct directory traversal attacks and read arbitrary files.

Affected (1)

Products: Yardoc: Yard

Yardoc

1 product

Yard

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Yardoc Yard	Before 0.9.11

Related CWEs

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (2)

https://github.com/lsegal/yard/commit/b0217b3e30dc53d057b1682506333335975e62b4

Source: cve@mitre.org

Patch

https://github.com/lsegal/yard/commit/b0217b3e30dc53d057b1682506333335975e62b4

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

Timeline

No history available yet.