CVE-2018-20189: Input Validation
First published: Mon Dec 17 2018(Updated: )
In GraphicsMagick 1.3.31, the ReadDIBImage function of coders/dib.c has a vulnerability allowing a crash and denial of service via a dib file that is crafted to appear with direct pixel values and also colormapping (which is not available beyond 8-bits/sample), and therefore lacks indexes initialization.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Graphicsmagick Graphicsmagick | =1.3.31 | |
| Debian Debian Linux | =8.0 | |
| ubuntu/graphicsmagick | <1.3.23-1ubuntu0.6+ | 1.3.23-1ubuntu0.6+ |
| ubuntu/graphicsmagick | <1.3.28-2ubuntu0.1 | 1.3.28-2ubuntu0.1 |
| ubuntu/graphicsmagick | <1.3.18-1ubuntu3.1+ | 1.3.18-1ubuntu3.1+ |
| ubuntu/graphicsmagick | <1.3.32 | 1.3.32 |
| debian/graphicsmagick | 1.4+really1.3.35-1~deb10u2 1.4+really1.3.35-1~deb10u3 1.4+really1.3.36+hg16481-2+deb11u1 1.4+really1.3.40-4 1.4+really1.3.42-1 1.4+really1.3.43-1 |
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Reference Links
- http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/648e2b406589
- http://www.securityfocus.com/bid/106227
- https://lists.debian.org/debian-lts-announce/2018/12/msg00018.html
- https://sourceforge.net/p/graphicsmagick/bugs/585/
- https://usn.ubuntu.com/4207-1/
- https://www.debian.org/security/2020/dsa-4640
- https://launchpad.net/bugs/cve/CVE-2018-20189
- https://security-tracker.debian.org/tracker/CVE-2018-20189
- https://ubuntu.com/security/notices/USN-4207-1
- https://ubuntu.com/security/notices/USN-5974-1
- https://www.cve.org/CVERecord?id=CVE-2018-20189
- https://nvd.nist.gov/vuln/detail/CVE-2018-20189
- https://ubuntu.com/security/CVE-2018-20189
Frequently Asked Questions
What is CVE-2018-20189?
CVE-2018-20189 is a vulnerability found in GraphicsMagick 1.3.31 that allows a crash and denial of service via a crafted dib file.
What is the severity of CVE-2018-20189?
The severity of CVE-2018-20189 is medium with a severity value of 6.5.
How does CVE-2018-20189 affect GraphicsMagick?
CVE-2018-20189 affects GraphicsMagick 1.3.31, causing a crash and denial of service when processing a crafted dib file.
How can I fix CVE-2018-20189?
To fix CVE-2018-20189, you should update your GraphicsMagick installation to version 1.4+really1.3.35-1~deb10u2 or later.
Are there any additional references for CVE-2018-20189?
Yes, you can find more information about CVE-2018-20189 at the following links: http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/648e2b406589, http://www.securityfocus.com/bid/106227, https://lists.debian.org/debian-lts-announce/2018/12/msg00018.html.
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