CVE-2021-20313: Infoleak
First published: Wed Apr 07 2021(Updated: )
A flaw was found in ImageMagick in versions before 7.0.11. A potential cipher leak when the calculate signatures in TransformSignature is possible. The highest threat from this vulnerability is to data confidentiality.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ImageMagick ImageMagick | <7.0.11-0 | |
| Debian Debian Linux | =9.0 | |
| redhat/ImageMagick | <7.0.11 | 7.0.11 |
| debian/imagemagick | <=8:6.9.10.23+dfsg-2.1+deb10u1<=8:6.9.11.60+dfsg-1.3+deb11u2<=8:6.9.11.60+dfsg-1.3+deb11u3 | 8:6.9.10.23+dfsg-2.1+deb10u7 8:6.9.11.60+dfsg-1.6 8:6.9.11.60+dfsg-1.6+deb12u1 8:6.9.12.98+dfsg1-5 8:6.9.12.98+dfsg1-5.2 |
| ubuntu/imagemagick | <8:6.9.7.4+dfsg-16ubuntu6.12 | 8:6.9.7.4+dfsg-16ubuntu6.12 |
| ubuntu/imagemagick | <8:6.9.10.23+dfsg-2.1ubuntu11.9 | 8:6.9.10.23+dfsg-2.1ubuntu11.9 |
| ubuntu/imagemagick | <8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3+ | 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3+ |
| ubuntu/imagemagick | <8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1 | 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1 |
| ubuntu/imagemagick | <8:6.9.11.60+dfsg-1.3ubuntu1 | 8:6.9.11.60+dfsg-1.3ubuntu1 |
| ubuntu/imagemagick | <8:6.9.11.60+dfsg-1.3ubuntu1 | 8:6.9.11.60+dfsg-1.3ubuntu1 |
| ubuntu/imagemagick | <8:6.9.11.60+dfsg-1.3ubuntu1 | 8:6.9.11.60+dfsg-1.3ubuntu1 |
| ubuntu/imagemagick | <8:6.7.7.10-6ubuntu3.13+ | 8:6.7.7.10-6ubuntu3.13+ |
| ubuntu/imagemagick | <8:6.8.9.9-7ubuntu5.16+ | 8:6.8.9.9-7ubuntu5.16+ |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1947019
- https://lists.debian.org/debian-lts-announce/2021/06/msg00000.html
- https://lists.debian.org/debian-lts-announce/2023/05/msg00020.html
- https://launchpad.net/bugs/cve/CVE-2021-20313
- https://github.com/ImageMagick/ImageMagick/commit/70aa86f5d5d8aa605a918ed51f7574f433a18482
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1947020
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1947021
- https://github.com/ImageMagick/ImageMagick6/commit/e53e24b078f7fa586f9cc910491b8910f5bdad2e
- https://security-tracker.debian.org/tracker/CVE-2021-20313
- https://ubuntu.com/security/notices/USN-5158-1
- https://ubuntu.com/security/notices/USN-5736-1
- https://ubuntu.com/security/notices/USN-5736-2
- https://ubuntu.com/security/notices/USN-6200-1
- https://www.cve.org/CVERecord?id=CVE-2021-20313
- https://nvd.nist.gov/vuln/detail/CVE-2021-20313
- https://ubuntu.com/security/CVE-2021-20313
Frequently Asked Questions
What is the vulnerability ID of this flaw?
The vulnerability ID of this flaw is CVE-2021-20313.
What is the severity of CVE-2021-20313?
The severity of CVE-2021-20313 is high with a CVSS score of 7.5.
What software versions are affected by CVE-2021-20313?
Versions before 7.0.11 of ImageMagick are affected by CVE-2021-20313.
How can I fix CVE-2021-20313?
To fix CVE-2021-20313, update ImageMagick to version 7.0.11 or higher.
Where can I find more information about CVE-2021-20313?
You can find more information about CVE-2021-20313 on the MITRE CVE website or the Ubuntu security notices USN-5158-1 and USN-5736-1.
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