CVE-2020-27772: Integer Overflow
First published: Mon Nov 16 2020(Updated: )
A flaw was found in ImageMagick in coders/bmp.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 int`. This would most likely lead to an impact to application availability, but could potentially cause other problems related to undefined behavior. This flaw affects ImageMagick versions prior to 7.0.9-0.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How 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 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1898291
- 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-2020-27772
- https://github.com/ImageMagick/ImageMagick/issues/1749
- https://github.com/ImageMagick/ImageMagick/commit/a1142af44f61c038ad3eccc099c5b9548b507846
- https://access.redhat.com/support/policy/updates/errata
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1901289
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1901290
- https://access.redhat.com/security/cve/cve-2020-27772
- https://github.com/ImageMagick/ImageMagick6/commit/7f819ef8855608d9cb1ded5e4f30cdfff1da7c11
- https://security-tracker.debian.org/tracker/CVE-2020-27772
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27772
- https://nvd.nist.gov/vuln/detail/CVE-2020-27772
- https://ubuntu.com/security/CVE-2020-27772
Frequently Asked Questions
What is CVE-2020-27772?
CVE-2020-27772 is a vulnerability found in ImageMagick in coders/bmp.c.
What is the severity of CVE-2020-27772?
The severity of CVE-2020-27772 is medium, with a severity value of 3.3.
How does CVE-2020-27772 impact application availability?
CVE-2020-27772 can lead to an impact on application availability.
How can I fix CVE-2020-27772?
To fix CVE-2020-27772, update ImageMagick to version 8:6.9.10.23+dfsg-2.1ubuntu13.3.
Where can I find more information about CVE-2020-27772?
You can find more information about CVE-2020-27772 at the following references: CVE-2020-27772, Ubuntu Security Notice USN-4988-1, and NIST NVD CVE-2020-27772.
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