medium
4.3
CWE
190
Advisory Published
CVE Published
Updated

CVE-2020-27771: Integer Overflow

First published: Mon Nov 16 2020(Updated: )

In ImageMagick, there is an outside the range of representable values of type 'unsigned char' at coders/pdf.c. Reference: <a href="https://github.com/ImageMagick/ImageMagick/issues/1753">https://github.com/ImageMagick/ImageMagick/issues/1753</a> Upstream patch: <a href="https://github.com/ImageMagick/ImageMagick/commit/872ffe6d0131beec8b47568a4874ffaca91a872e">https://github.com/ImageMagick/ImageMagick/commit/872ffe6d0131beec8b47568a4874ffaca91a872e</a> <a href="https://github.com/ImageMagick/ImageMagick/commit/9dd1c7e1f8f6c137bfd3293be2554f59456c7b62">https://github.com/ImageMagick/ImageMagick/commit/9dd1c7e1f8f6c137bfd3293be2554f59456c7b62</a>

Credit: secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
ImageMagick ImageMagick<6.9.10-69
ImageMagick ImageMagick>=7.0.0-0<7.0.9
Redhat Enterprise Linux=5.0
Redhat Enterprise Linux=6.0
Redhat Enterprise Linux=7.0
Debian Debian Linux=9.0
redhat/ImageMagick 7.0.9<0
0
debian/imagemagick
8:6.9.11.60+dfsg-1.3+deb11u4
8:6.9.11.60+dfsg-1.3+deb11u3
8:6.9.11.60+dfsg-1.6+deb12u2
8:6.9.11.60+dfsg-1.6+deb12u1
8:7.1.1.39+dfsg1-3

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=1898290

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Reference Links

Frequently Asked Questions

  • What is CVE-2020-27771?

    CVE-2020-27771 is a vulnerability in the Imagemagick package that allows for values outside the range of representable unsigned char type.

  • What is the severity of CVE-2020-27771?

    The severity of CVE-2020-27771 is medium with a severity value of 3.3.

  • How does CVE-2020-27771 affect Imagemagick?

    CVE-2020-27771 affects Imagemagick versions 6.9.10.23+dfsg-2.1ubuntu11.4, 6.9.10.23+dfsg-2.1ubuntu13.3, 6.9.11.24+dfsg-1, 6.9.7.4+dfsg-16ubuntu6.11, and 6.9.10.23+dfsg-2.1+deb10u5.

  • What is the fix for CVE-2020-27771?

    The fix for CVE-2020-27771 is to update to Imagemagick version 6.9.10.23+dfsg-2.1ubuntu11.4, 6.9.10.23+dfsg-2.1ubuntu13.3, 6.9.11.24+dfsg-1, 6.9.7.4+dfsg-16ubuntu6.11, or 6.9.10.23+dfsg-2.1+deb10u5.

  • Where can I find more information about CVE-2020-27771?

    More information about CVE-2020-27771 can be found on MITRE's CVE website, the Ubuntu Security Notices, and the NIST NVD website.

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