CVE-2016-9556: Buffer Overflow
First published: Thu Nov 24 2016(Updated: )
A heap-buffer overflow vulnerability was found in ImageMagick in IsPixelGray function in pixel-accessor.h triggered by opening a malicious image. Upstream patch: <a href="https://github.com/ImageMagick/ImageMagick/commit/ce98a7acbcfca7f0a178f4b1e7b957e419e0cc99">https://github.com/ImageMagick/ImageMagick/commit/ce98a7acbcfca7f0a178f4b1e7b957e419e0cc99</a> References: <a href="http://seclists.org/oss-sec/2016/q4/469">http://seclists.org/oss-sec/2016/q4/469</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ImageMagick | =7.0.3-8 | |
| Debian | =8.0 | |
| openSUSE Leap | =42.1 |
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Reference Links
- https://github.com/ImageMagick/ImageMagick/commit/ce98a7acbcfca7f0a178f4b1e7b957e419e0cc99
- http://seclists.org/oss-sec/2016/q4/469
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1413891
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1413898
- https://github.com/ImageMagick/ImageMagick/issues/301
- https://bugzilla.redhat.com/show_bug.cgi?id=1398198
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00040.html
- http://www.debian.org/security/2016/dsa-3726
- http://www.openwall.com/lists/oss-security/2016/11/23/1
- http://www.openwall.com/lists/oss-security/2016/12/01/4
- http://www.openwall.com/lists/oss-security/2016/12/02/12
- http://www.securityfocus.com/bid/94492
- https://blogs.gentoo.org/ago/2016/11/19/imagemagick-heap-based-buffer-overflow-in-ispixelgray-pixel-accessor-h
Frequently Asked Questions
What is the severity of CVE-2016-9556?
CVE-2016-9556 has been rated as a high severity vulnerability due to its potential to allow remote attackers to execute arbitrary code.
How do I fix CVE-2016-9556?
To mitigate CVE-2016-9556, update to the latest version of ImageMagick where the vulnerability is patched.
What software is affected by CVE-2016-9556?
CVE-2016-9556 affects ImageMagick version 7.0.3-8 and could impact systems running Debian 8.0 and openSUSE Leap 42.1.
What type of vulnerability is CVE-2016-9556?
CVE-2016-9556 is a heap-buffer overflow vulnerability that can be triggered by opening a malicious image.
Who discovered CVE-2016-9556?
CVE-2016-9556 was discovered as part of security research and disclosed in relation to vulnerabilities in ImageMagick.
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