Information disclosure in ImageMagick - CVE-2021-20313

Vulnerability identifier: #VU62861

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-20313

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to potential cipher leak when calculating signatures in TransformSignature() function in MagickCore/signature.c. A remote attacker can gain unauthorized access to sensitive information on the system.

ImageMagick
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE CaaS Platform
SUSE Linux Enterprise Workstation Extension
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise Server
Ubuntu
SUSE Linux Enterprise Server 15 SP1 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS
SUSE Linux Enterprise Module for Development Tools
SUSE Linux Enterprise Module for Desktop Applications
libimage-magick-perl (Ubuntu package)
libmagickwand-dev (Ubuntu package)
imagemagick-6.q16 (Ubuntu package)
libimage-magick-q16-perl (Ubuntu package)
libmagickcore-6-headers (Ubuntu package)
imagemagick-6-common (Ubuntu package)
libmagickwand-6.q16-6 (Ubuntu package)
libmagick++-6.q16hdri-dev (Ubuntu package)
libmagick++-dev (Ubuntu package)
perlmagick (Ubuntu package)
imagemagick (Ubuntu package)
libmagickwand-6.q16-dev (Ubuntu package)
libmagickcore-6.q16-6 (Ubuntu package)
libmagickcore-6.q16-2 (Ubuntu package)
libmagickcore-6-arch-config (Ubuntu package)
libmagickcore-6.q16-dev (Ubuntu package)
libmagickcore-dev (Ubuntu package)
imagemagick-common (Ubuntu package)
libmagick++-6.q16-dev (Ubuntu package)
libmagickcore-6.q16-2-extra (Ubuntu package)
libmagick++-6.q16-5v5 (Ubuntu package)
libmagick++-6.q16hdri-8 (Ubuntu package)
libmagickwand-6.q16-2 (Ubuntu package)
libmagickcore5 (Ubuntu package)
libmagickwand5 (Ubuntu package)
libmagickcore5-extra (Ubuntu package)
libmagick++5 (Ubuntu package)
libmagick++-6.q16-8 (Ubuntu package)
libmagickcore-6.q16hdri-6 (Ubuntu package)
imagemagick-6.q16hdri (Ubuntu package)
libmagick++-6.q16hdri-7 (Ubuntu package)
libmagickwand-6.q16-3 (Ubuntu package)
libmagickcore-6.q16-3 (Ubuntu package)
libmagick++-6.q16-7 (Ubuntu package)
libmagickcore-6.q16hdri-3 (Ubuntu package)
libMagick++-6_Q16-3
libMagickWand-6_Q16-1-debuginfo
libMagickWand-6_Q16-1
libMagickCore-6_Q16-1-debuginfo
libMagickCore-6_Q16-1
perl-PerlMagick-debuginfo
perl-PerlMagick
libMagick++-devel
ImageMagick-devel
ImageMagick-config-6-SUSE
libMagickCore-6_Q16-1-debuginfo-32bit
ImageMagick
ImageMagick-debuginfo
ImageMagick-debugsource
ImageMagick-config-6-upstream
libMagick++-6_Q16-3-debuginfo
libMagickCore-6_Q16-1-32bit
libmagickcore-6.q16-3-extra (Ubuntu package)
libmagickcore-6.q16-6-extra (Ubuntu package)
libMagickWand-7_Q16HDRI6
libMagickWand-7_Q16HDRI6-debuginfo
ImageMagick-config-7-SUSE
ImageMagick-config-7-upstream
libMagick++-7_Q16HDRI4
libMagick++-7_Q16HDRI4-debuginfo
libMagickCore-7_Q16HDRI6
libMagickCore-7_Q16HDRI6-debuginfo
cflinuxfs3

Install updates from vendor's website.

ImageMagick - update to 7.0.11-0
libimage-magick-perl (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 8:6.9.7.4+dfsg-16ubuntu6.14, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
libmagickwand-dev (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 8:6.9.7.4+dfsg-16ubuntu6.14, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
imagemagick-6.q16 (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 8:6.9.7.4+dfsg-16ubuntu6.14, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
libimage-magick-q16-perl (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 8:6.9.7.4+dfsg-16ubuntu6.14, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
libmagickcore-6-headers (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 8:6.9.7.4+dfsg-16ubuntu6.14, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
imagemagick-6-common (Ubuntu package) - addressed in versions Ubuntu Pro, 8:6.9.7.4+dfsg-16ubuntu6.14, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
libmagickwand-6.q16-6 (Ubuntu package) - addressed in versions Ubuntu Pro, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
libmagick++-6.q16hdri-dev (Ubuntu package) - addressed in versions Ubuntu Pro, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
libmagick++-dev (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 8:6.9.7.4+dfsg-16ubuntu6.14, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
perlmagick (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 8:6.9.7.4+dfsg-16ubuntu6.14, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
imagemagick (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 8:6.9.7.4+dfsg-16ubuntu6.14, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
libmagickwand-6.q16-dev (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 8:6.9.7.4+dfsg-16ubuntu6.14, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
libmagickcore-6.q16-6 (Ubuntu package) - addressed in versions Ubuntu Pro, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
libmagickcore-6.q16-2 (Ubuntu package) - update to Ubuntu Pro (Infra-only)
libmagickcore-6-arch-config (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 8:6.9.7.4+dfsg-16ubuntu6.14, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1
libmagickcore-6.q16-dev (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 8:6.9.7.4+dfsg-16ubuntu6.14, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5
libmagickcore-dev (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 8:6.9.7.4+dfsg-16ubuntu6.14, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
imagemagick-common (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 8:6.9.7.4+dfsg-16ubuntu6.14, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
libmagick++-6.q16-dev (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 8:6.9.7.4+dfsg-16ubuntu6.14, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
libmagickcore-6.q16-2-extra (Ubuntu package) - update to Ubuntu Pro (Infra-only)
libmagick++-6.q16-5v5 (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 8:6.8.9.97ubuntu5.16+esm2
libmagick++-6.q16hdri-8 (Ubuntu package) - addressed in versions Ubuntu Pro, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
libmagickwand-6.q16-2 (Ubuntu package) - update to Ubuntu Pro (Infra-only)
libmagickcore5 (Ubuntu package) - update to Ubuntu Pro (Infra-only)
libmagickwand5 (Ubuntu package) - update to Ubuntu Pro (Infra-only)
libmagickcore5-extra (Ubuntu package) - update to Ubuntu Pro (Infra-only)
libmagick++5 (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 6.7.7.10-6ubuntu3
libmagick++-6.q16-8 (Ubuntu package) - addressed in versions Ubuntu Pro, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
libmagickcore-6.q16hdri-6 (Ubuntu package) - addressed in versions Ubuntu Pro, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
imagemagick-6.q16hdri (Ubuntu package) - addressed in versions Ubuntu Pro, 8:6.9.7.4+dfsg-16ubuntu6.14, 8:6.9.10.23+dfsg-2.1ubuntu11.9, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1, 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.5, 8:6.9.11.60+dfsg-1.6ubuntu0.23.04.1
libmagick++-6.q16hdri-7 (Ubuntu package) - addressed in versions Ubuntu Pro, 8:6.9.7.4+dfsg-16ubuntu6.14
libmagickwand-6.q16-3 (Ubuntu package) - addressed in versions Ubuntu Pro, 8:6.9.7.4+dfsg-16ubuntu6.14
libmagickcore-6.q16-3 (Ubuntu package) - addressed in versions Ubuntu Pro, 8:6.9.7.4+dfsg-16ubuntu6.14
libmagick++-6.q16-7 (Ubuntu package) - addressed in versions Ubuntu Pro, 8:6.9.7.4+dfsg-16ubuntu6.12, 8:6.9.7.4+dfsg-16ubuntu6.14
libmagickcore-6.q16hdri-3 (Ubuntu package) - addressed in versions Ubuntu Pro, 8:6.9.7.4+dfsg-16ubuntu6.14
cflinuxfs3 - update to 0.339.0
libMagick++-6_Q16-3 - update to 6.8.8.1-71.165.1
libMagickWand-6_Q16-1-debuginfo - update to 6.8.8.1-71.165.1
libMagickWand-6_Q16-1 - update to 6.8.8.1-71.165.1
libMagickCore-6_Q16-1-debuginfo - update to 6.8.8.1-71.165.1
libMagickCore-6_Q16-1 - update to 6.8.8.1-71.165.1
perl-PerlMagick-debuginfo - addressed in versions 6.8.8.1-71.165.1, 7.0.7.34-10.15.1, 7.0.7.34-150000.3.123.1
perl-PerlMagick - addressed in versions 6.8.8.1-71.165.1, 7.0.7.34-10.15.1, 7.0.7.34-150000.3.123.1
libMagick++-devel - addressed in versions 6.8.8.1-71.165.1, 7.0.7.34-10.15.1, 7.0.7.34-150000.3.123.1
ImageMagick-devel - addressed in versions 6.8.8.1-71.165.1, 7.0.7.34-10.15.1, 7.0.7.34-150000.3.123.1
ImageMagick-config-6-SUSE - update to 6.8.8.1-71.165.1
libMagickCore-6_Q16-1-debuginfo-32bit - update to 6.8.8.1-71.165.1
ImageMagick - addressed in versions 6.8.8.1-71.165.1, 7.0.7.34-10.15.1, 7.0.7.34-150000.3.123.1
ImageMagick-debuginfo - addressed in versions 6.8.8.1-71.165.1, 7.0.7.34-10.15.1, 7.0.7.34-150000.3.123.1
ImageMagick-debugsource - addressed in versions 6.8.8.1-71.165.1, 7.0.7.34-10.15.1, 7.0.7.34-150000.3.123.1
ImageMagick-config-6-upstream - update to 6.8.8.1-71.165.1
libMagick++-6_Q16-3-debuginfo - update to 6.8.8.1-71.165.1
libMagickCore-6_Q16-1-32bit - update to 6.8.8.1-71.165.1
libmagickcore-6.q16-3-extra (Ubuntu package) - update to 8:6.9.7.4+dfsg-16ubuntu6.14
libmagickcore-6.q16-6-extra (Ubuntu package) - update to 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1
libMagickWand-7_Q16HDRI6 - addressed in versions 7.0.7.34-10.15.1, 7.0.7.34-150000.3.123.1
libMagickWand-7_Q16HDRI6-debuginfo - addressed in versions 7.0.7.34-10.15.1, 7.0.7.34-150000.3.123.1
ImageMagick-config-7-SUSE - addressed in versions 7.0.7.34-10.15.1, 7.0.7.34-150000.3.123.1
ImageMagick-config-7-upstream - addressed in versions 7.0.7.34-10.15.1, 7.0.7.34-150000.3.123.1
libMagick++-7_Q16HDRI4 - addressed in versions 7.0.7.34-10.15.1, 7.0.7.34-150000.3.123.1
libMagick++-7_Q16HDRI4-debuginfo - addressed in versions 7.0.7.34-10.15.1, 7.0.7.34-150000.3.123.1
libMagickCore-7_Q16HDRI6 - addressed in versions 7.0.7.34-10.15.1, 7.0.7.34-150000.3.123.1
libMagickCore-7_Q16HDRI6-debuginfo - addressed in versions 7.0.7.34-10.15.1, 7.0.7.34-150000.3.123.1

• https://bugzilla.redhat.com/show_bug.cgi?id=1947019
• https://github.com/ImageMagick/ImageMagick/commit/70aa86f5d5d8aa605a918ed51f7574f433a18482

• SUSE update for ImageMagick
• SUSE update for ImageMagick
• Ubuntu update for imagemagick
• Ubuntu update for imagemagick
• Cloud Foundry Foundation cflinuxfs3 update for ImageMagick
• Ubuntu update for imagemagick
• SUSE update for ImageMagick