CVE-2017-14400: Null Pointer Dereference
First published: Tue Sep 12 2017(Updated: )
In ImageMagick 7.0.7-1 Q16, the PersistPixelCache function in magick/cache.c mishandles the pixel cache nexus, which allows remote attackers to cause a denial of service (NULL pointer dereference in the function GetVirtualPixels in MagickCore/cache.c) via a crafted file.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ImageMagick ImageMagick | =7.0.7-1 | |
| 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
- http://www.securityfocus.com/bid/100865
- https://github.com/ImageMagick/ImageMagick/issues/746
- https://lists.debian.org/debian-lts-announce/2019/05/msg00015.html
- https://lists.debian.org/debian-lts-announce/2020/09/msg00007.html
- https://usn.ubuntu.com/3681-1/
- https://launchpad.net/bugs/cve/CVE-2017-14400
- https://github.com/ImageMagick/ImageMagick/commit/04b863f15effa4375e4ee42f413f0246062b48af
- https://github.com/ImageMagick/ImageMagick/commit/44a55580ac8c01d8cff1e6e0063820af113f8591
- https://security-tracker.debian.org/tracker/CVE-2017-14400
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14400
- https://nvd.nist.gov/vuln/detail/CVE-2017-14400
- https://ubuntu.com/security/CVE-2017-14400
Frequently Asked Questions
What is CVE-2017-14400?
CVE-2017-14400 is a vulnerability in ImageMagick 7.0.7-1 Q16 that allows remote attackers to cause a denial of service.
How does the vulnerability in ImageMagick 7.0.7-1 Q16 work?
The vulnerability in ImageMagick 7.0.7-1 Q16 is caused by the mishandling of the pixel cache nexus, which leads to a NULL pointer dereference in the GetVirtualPixels function in MagickCore/cache.c.
What is the impact of CVE-2017-14400?
The impact of CVE-2017-14400 is a denial of service, which can be triggered by a remote attacker.
How can I fix the vulnerability in ImageMagick 7.0.7-1 Q16?
To fix the vulnerability in ImageMagick 7.0.7-1 Q16, you should update to a version that includes the fix. See the references for more information on available updates.
Where can I find more information about CVE-2017-14400?
You can find more information about CVE-2017-14400 in the references provided: [1](https://github.com/ImageMagick/ImageMagick/issues/746), [2](http://www.securityfocus.com/bid/100865), [3](https://usn.ubuntu.com/3681-1/).
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