CVEvulnerability

CVE-2019-8320

7.4 HIGH Published 2019-06-06 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-06-06
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.4 HIGH — CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS 2.0 ([email protected])
8.8 HIGH — AV:N/AC:M/Au:N/C:N/I:C/A:C
Weaknesses
CWE-22

Description

A Directory Traversal issue was discovered in RubyGems 2.7.6 and later through 3.0.2. Before making new directories or touching files (which now include path-checking code for symlinks), it would delete the target destination. If that destination was hidden behind a symlink, a malicious gem could delete arbitrary files on the user's machine, presuming the attacker could guess at paths. Given how frequently gem is run as sudo, and how predictable paths are on modern systems (/tmp, /usr, etc.), this could likely lead to data loss or an unusable system.

Affected configurations

• rubygems rubygems (>= 2.7.6 <= 3.0.2)

Related

Weakness · CWE (1)

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness

References