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Debian LTS: Security Advisory for imagemagick (DLA-2672-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'imagemagick' package(s) announced via the DLA-2672-1 advisory.
Insight
Insight
Multiple security issues have been discovered in imagemagick. CVE-2020-27751 A flaw was found in MagickCore/quantum-export.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of values outside the range of type `unsigned long long` as well as a shift exponent that is too large for 64-bit type. This would most likely lead to an impact to application availability, but could potentially cause other problems related to undefined behavior. CVE-2021-20243 A flaw was found in MagickCore/resize.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of math division by zero. CVE-2021-20245 A flaw was found in coders/webp.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of math division by zero. CVE-2021-20309 A division by zero in WaveImage() of MagickCore/visual-effects.c may trigger undefined behavior via a crafted image file submitted to an application using ImageMagick. CVE-2021-20312 An integer overflow in WriteTHUMBNAILImage of coders/thumbnail.c may trigger undefined behavior via a crafted image file that is submitted by an attacker and processed by an application using ImageMagick. CVE-2021-20313 A potential cipher leak when the calculate signatures in TransformSignature is possible.
Affected Software
Affected Software
'imagemagick' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For Debian 9 stretch, these problems have been fixed in version 8:6.9.7.4+dfsg-11+deb9u13. We recommend that you upgrade your imagemagick packages.