CVE-2019-3881 Information

Description

Bundler prior to 2.1.0 uses a predictable path in /tmp/ created with insecure permissions as a storage location for gems if locations under the user’s home directory are not available. If Bundler is used in a scenario where the user does not have a writable home directory an attacker could place malicious code in this directory that would be later loaded and executed.

CVSS Vector

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

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=1651826

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.0