CVE-2020-27775: Integer Overflow
First published: Mon Nov 16 2020(Updated: )
A flaw was found in ImageMagick in MagickCore/quantum.h. 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 char. 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=1898300
- 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-2020-27775
- https://github.com/ImageMagick/ImageMagick/issues/1737
- https://github.com/ImageMagick/ImageMagick/commit/a2166bfb1049bac4c0f7b8b5d3ef86a1f48470b2
- https://access.redhat.com/support/policy/updates/errata
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1901295
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1901296
- https://access.redhat.com/security/cve/cve-2020-27775
- https://github.com/ImageMagick/ImageMagick6/commit/78d9987ae80a95865c9f139afde0dcf3fd832ddc
- https://security-tracker.debian.org/tracker/CVE-2020-27775
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27775
- https://nvd.nist.gov/vuln/detail/CVE-2020-27775
- https://ubuntu.com/security/CVE-2020-27775
Frequently Asked Questions
What is the vulnerability ID for this flaw in ImageMagick in MagickCore/quantum.h?
The vulnerability ID for this flaw is CVE-2020-27775.
How does the vulnerability in ImageMagick in MagickCore/quantum.h impact application availability?
The vulnerability could lead to application availability issues.
What is the severity rating of CVE-2020-27775?
The severity rating of CVE-2020-27775 is medium with a CVSS score of 3.3.
Which versions of ImageMagick are affected by this vulnerability?
The vulnerability affects version 8:6.9.11.24+dfsg-1 of ImageMagick on Ubuntu and several other versions on different platforms.
Where can I find more information about CVE-2020-27775?
More information about CVE-2020-27775 can be found at the following references: [CVE-2020-27775](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27775), [Ubuntu Security Notice USN-4988-1](https://ubuntu.com/security/notices/USN-4988-1), [NVD CVE-2020-27775](https://nvd.nist.gov/vuln/detail/CVE-2020-27775).
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