CVE-2019-13574 Information

Description

In lib/mini_magick/image.rb in MiniMagick before 4.9.4 a fetched remote image filename could cause remote command execution because Image.open input is directly passed to Kernelopen which accepts a ‘|’ character followed by a command.

CVSS Vector

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

Reference

https://benjamin-bouchet.com/blog/vulnerabilite-dans-la-gem-mini_magick-version-4-9-4/ https://github.com/minimagick/minimagick/commit/4cd5081e58810d3394d27a67219e8e4e0445d851 https://github.com/minimagick/minimagick/compare/d484786…293f9bb https://github.com/minimagick/minimagick/releases/tag/v4.9.4 https://lists.debian.org/debian-lts-announce/2019/10/msg00007.html https://seclists.org/bugtraq/2019/Jul/20 https://www.debian.org/security/2019/dsa-4481

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8