National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-13574 Detail

Current 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 Kernel#open, which accepts a '|' character followed by a command.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://benjamin-bouchet.com/blog/vulnerabilite-dans-la-gem-mini_magick-version-4-9-4/ Exploit Third Party Advisory
https://github.com/minimagick/minimagick/commit/4cd5081e58810d3394d27a67219e8e4e0445d851 Patch Third Party Advisory
https://github.com/minimagick/minimagick/compare/d484786...293f9bb Patch Third Party Advisory
https://github.com/minimagick/minimagick/releases/tag/v4.9.4 Release Notes Third Party Advisory
https://seclists.org/bugtraq/2019/Jul/20 Mailing List Third Party Advisory
https://www.debian.org/security/2019/dsa-4481 Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Improper Input Validation (CWE-20)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:minimagick_project:minimagick:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
4.9.4

Configuration 2 ( hide )
 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-13574
NVD Published Date:
07/11/2019
NVD Last Modified:
07/22/2019