CVE-2020-27759: Integer Overflow
First published: Tue Nov 03 2020(Updated: )
In ImageMagick, there is an outside the range of representable values of type 'int' at MagickCore/quantize.c. Reference: <a href="https://github.com/ImageMagick/ImageMagick/issues/1720">https://github.com/ImageMagick/ImageMagick/issues/1720</a> Upstream patch: <a href="https://github.com/ImageMagick/ImageMagick/commit/d44f8a35558951a21367d306a42e5a097f3a43fe">https://github.com/ImageMagick/ImageMagick/commit/d44f8a35558951a21367d306a42e5a097f3a43fe</a>
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ImageMagick ImageMagick | <6.9.10-68 | |
| ImageMagick ImageMagick | >=7.0.0-0<7.0.8-68 | |
| Debian Debian Linux | =9.0 | |
| redhat/ImageMagick 7.0.8 | <68 | 68 |
| 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 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1894238
- https://lists.debian.org/debian-lts-announce/2021/03/msg00030.html
- https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html
- https://launchpad.net/bugs/cve/CVE-2020-27759
- https://github.com/ImageMagick/ImageMagick/issues/1720
- https://github.com/ImageMagick/ImageMagick/commit/d44f8a35558951a21367d306a42e5a097f3a43fe
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1901263
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1901264
- https://access.redhat.com/security/cve/cve-2020-27759
- https://access.redhat.com/support/policy/updates/errata
- https://github.com/ImageMagick/ImageMagick6/commit/460dea07066e2001bc4671fcd8d53233f0fc29b3
- https://github.com/ImageMagick/ImageMagick6/commit/2000dd1a7da8098483b8937b53ff3b6ff3048c97
- https://github.com/ImageMagick/ImageMagick6/commit/8c5cbc85c397fff55b859b50c4bc2ab7a79571da
- https://security-tracker.debian.org/tracker/CVE-2020-27759
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27759
- https://nvd.nist.gov/vuln/detail/CVE-2020-27759
- https://ubuntu.com/security/CVE-2020-27759
Frequently Asked Questions
What is CVE-2020-27759?
CVE-2020-27759 is a vulnerability in ImageMagick that allows a crafted input file to cause a value outside the range of 'int' to be returned.
How severe is CVE-2020-27759?
CVE-2020-27759 has a severity rating of 3.3 (medium).
Which software is affected by CVE-2020-27759?
ImageMagick versions 6.9.7.4 to 6.9.11.24 and 7.0.0-0 to 7.0.8-68 are affected by CVE-2020-27759.
How do I fix CVE-2020-27759?
To fix CVE-2020-27759, update ImageMagick to version 8:6.9.7.4+dfsg-16ubuntu6.11 or later.
Where can I find more information about CVE-2020-27759?
More information about CVE-2020-27759 can be found on the MITRE CVE database, Ubuntu Security Notices, and NVD websites.
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