CVE-2020-27757: Integer Overflow
First published: Tue Nov 03 2020(Updated: )
A floating point math calculation in ScaleAnyToQuantum() of /MagickCore/quantum-private.h could lead to undefined behavior in the form of a value outside the range of type unsigned long long. The flaw could be triggered by a crafted input file under certain conditions when it is processed by ImageMagick. Red Hat Product Security marked this as Low because although it could potentially lead to an impact to application availability, no specific impact was shown in this case. This flaw affects ImageMagick versions prior to 7.0.8-68.
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=1894234
- 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-2020-27757
- https://github.com/ImageMagick/ImageMagick/issues/1712
- https://github.com/ImageMagick/ImageMagick/commit/e88532bd4418e95b70cbc415fe911d22ab27a5fd
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1901259
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1901260
- https://access.redhat.com/security/cve/cve-2020-27757
- https://access.redhat.com/support/policy/updates/errata
- https://github.com/ImageMagick/ImageMagick6/commit/ded073520c133421f842160d3a9e207788f55a90
- https://security-tracker.debian.org/tracker/CVE-2020-27757
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27757
- https://nvd.nist.gov/vuln/detail/CVE-2020-27757
- https://ubuntu.com/security/CVE-2020-27757
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID of this vulnerability is CVE-2020-27757.
What is the severity level of CVE-2020-27757?
The severity level of CVE-2020-27757 is medium.
What is the affected software for CVE-2020-27757?
The affected software for CVE-2020-27757 is ImageMagick.
How can I fix CVE-2020-27757?
To fix CVE-2020-27757, update ImageMagick to version 8:6.9.7.4+dfsg-16ubuntu6.11 or higher.
Where can I find more information about CVE-2020-27757?
You can find more information about CVE-2020-27757 at the following references: [MITRE CVE-2020-27757](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27757), [Ubuntu USN-4988-1](https://ubuntu.com/security/notices/USN-4988-1), [NVD CVE-2020-27757](https://nvd.nist.gov/vuln/detail/CVE-2020-27757).
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