CVE-2020-21526

Published: Sep 30, 2020Modified: Nov 21, 2024

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

An Arbitrary file writing vulnerability in halo v1.1.3. In an interface to write files in the background, a directory traversal check is performed on the input path parameter, but the startsWith function can be used to bypass it.

Affected (1)

Products: Halo: Halo

Halo

1 product

Halo

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Halo Halo	Version 1.1.3

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/halo-dev/halo/issues/421

Source: cve@mitre.org

ExploitIssue TrackingThird Party Advisory

https://github.com/halo-dev/halo/issues/421

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

ExploitIssue TrackingThird Party Advisory

Timeline

No history available yet.