Vulnerability CVE-2021-20311

Vulnerability Name:

CVE-2021-20311 (CCN-201742)

Assigned:

2020-12-17

Published:

2021-04-26

Updated:

2021-05-17

Summary:

A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero in sRGBTransformImage() in the MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.

CVSS v3 Severity:

7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

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

CVSS v2 Severity:

7.8 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

Vulnerability Type:

CWE-369

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2021-20311

Source: CCN
Type: Red Hat Bugzilla - Bug 1946739
(CVE-2021-20311) - CVE-2021-20311 ImageMagick: Division by zero in sRGBTransformImage() in MagickCore/colorspace.c

Source: MISC
Type: Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1946739

Source: XF
Type: UNKNOWN
magemagick-cve202120311-dos(201742)

Source: CCN
Type: ImageMagick GIT Repository
possible divide by zero + clear buffers

Vulnerable Configuration:

Configuration 1:

cpe:/a:imagemagick:imagemagick:*:*:*:*:*:*:*:* (Version < 7.0.11-0:)

Configuration CCN 1:

cpe:/a:imagemagick:imagemagick:7.0.10:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:8055	P	perl-PerlMagick-7.1.0.9-150400.6.18.1 on GA media (Moderate)	2023-06-20
oval:org.opensuse.security:def:7867	P	ImageMagick-7.1.0.9-150400.6.18.1 on GA media (Moderate)	2023-06-12
oval:org.opensuse.security:def:3420	P	MozillaFirefox-68.1.0-109.92.1 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:3251	P	libshibsp-lite6-2.5.5-6.3.1 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:95204	P	libiso9660-10-0.94-6.9.2 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:94881	P	ImageMagick-7.1.0.9-150400.4.7 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:94764	P	opie-32bit-2.4-1.96 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:95050	P	perl-PerlMagick-7.1.0.9-150400.4.7 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:94880	P	slirp4netns-0.4.7-3.15.1 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:101593	P	Security update for mutt (Moderate)	2022-04-25
oval:org.opensuse.security:def:1638	P	Security update for util-linux (Moderate)	2021-10-20
oval:org.opensuse.security:def:101917	P	Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP3) (Important)	2021-09-16
oval:org.opensuse.security:def:4471	P	Security update for the Linux Kernel (Live Patch 15 for SLE 12 SP5) (Important)	2021-08-17
oval:org.opensuse.security:def:72446	P	ImageMagick-7.0.7.34-10.15.1 on GA media (Moderate)	2021-08-09
oval:org.opensuse.security:def:62727	P	ImageMagick-7.0.7.34-10.15.1 on GA media (Moderate)	2021-08-09
oval:org.opensuse.security:def:72755	P	perl-PerlMagick-7.0.7.34-10.15.1 on GA media (Moderate)	2021-08-09
oval:org.opensuse.security:def:63036	P	perl-PerlMagick-7.0.7.34-10.15.1 on GA media (Moderate)	2021-08-09
oval:org.opensuse.security:def:101133	P	ImageMagick-7.0.7.34-10.15.1 on GA media (Moderate)	2021-08-09
oval:org.opensuse.security:def:1947	P	perl-PerlMagick-7.0.7.34-10.15.1 on GA media (Moderate)	2021-08-09
oval:org.opensuse.security:def:101477	P	Security update for wireshark (Moderate)	2021-07-22
oval:org.opensuse.security:def:111343	P	Security update for ImageMagick (Moderate)	2021-04-23
oval:org.opensuse.security:def:61069	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:34412	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:5020	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:96863	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:65560	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:75813	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:4119	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:108583	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:35246	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:117657	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:66745	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:58724	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:26033	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:87365	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:74276	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:117773	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:108143	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:60235	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:5656	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:32901	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:65208	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:74628	P	Security update for ImageMagick (Moderate)	2021-04-20
oval:org.opensuse.security:def:108259	P	Security update for ImageMagick (Moderate)	2021-04-20

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