Published: 12/07/2019 Updated: 24/08/2020

CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6

CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8

VMScore: 605

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

In lib/mini_magick/image.rb in MiniMagick prior to 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.

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minimagick project minimagick
debian debian linux 10.0
debian debian linux 9.0

Debian Bug report logs - #931932 CVE-2019-13574 Package: ruby-mini-magick; Maintainer for ruby-mini-magick is Debian Ruby Extras Maintainers <pkg-ruby-extras-maintainers@listsaliothdebianorg>; Source for ruby-mini-magick is src:ruby-mini-magick (PTS, buildd, popcon) Reported by: Moritz Muehlenhoff <jmm@debianorg> ...

Harsh Jaiswal discovered a remote shell execution vulnerability in ruby-mini-magick, a Ruby library providing a wrapper around ImageMagick or GraphicsMagick, exploitable when using MiniMagick::Imageopen with specially crafted URLs coming from unsanitized user input For the oldstable distribution (stretch), this problem has been fixed in version 4 ...

PoC CVE-2019-13574

CWE-78 https://github.com/minimagick/minimagick/releases/tag/v4.9.4 https://github.com/minimagick/minimagick/commit/4cd5081e58810d3394d27a67219e8e4e0445d851 https://github.com/minimagick/minimagick/compare/d484786...293f9bb https://benjamin-bouchet.com/blog/vulnerabilite-dans-la-gem-mini_magick-version-4-9-4/https://www.debian.org/security/2019/dsa-4481 https://seclists.org/bugtraq/2019/Jul/20 https://lists.debian.org/debian-lts-announce/2019/10/msg00007.html https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=931932 https://nvd.nist.gov https://www.debian.org/security/2019/dsa-4481

CVE-2019-13574

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