CVE-2016-6823: Integer Overflow
First published: Tue Aug 16 2016(Updated: )
Integer overflow in the BMP coder in ImageMagick before 7.0.2-10 allows remote attackers to cause a denial of service (crash) via crafted height and width values, which triggers an out-of-bounds write.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/imagemagick | <=8:6.7.7.10-4<=8:6.7.7.10-5 | 8:6.8.9.9-5+deb8u4 8:6.9.5.9+dfsg-1 |
| ImageMagick | <6.9.10-50 | |
| ImageMagick | >=7.0.0-0<7.0.2-10 |
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Reference Links
- https://github.com/ImageMagick/ImageMagick/commit/4cc6ec8a4197d4c008577127736bf7985d632323
- https://security-tracker.debian.org/tracker/CVE-2016-4562
- https://security-tracker.debian.org/tracker/CVE-2016-4563
- https://security-tracker.debian.org/tracker/CVE-2016-4564
- https://security-tracker.debian.org/tracker/CVE-2016-5687
- https://security-tracker.debian.org/tracker/CVE-2016-5010
- https://security-tracker.debian.org/tracker/CVE-2016-5688
- https://security-tracker.debian.org/tracker/CVE-2016-5689
- https://security-tracker.debian.org/tracker/CVE-2016-5690
- https://security-tracker.debian.org/tracker/CVE-2016-5691
- https://security-tracker.debian.org/tracker/CVE-2016-5841
- https://security-tracker.debian.org/tracker/CVE-2016-5842
- https://security-tracker.debian.org/tracker/CVE-2016-6491
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=834504
- http://www.openwall.com/lists/oss-security/2016/09/26/3
- http://www.securityfocus.com/bid/93158
Frequently Asked Questions
What is the severity of CVE-2016-6823?
CVE-2016-6823 has a severity rating that indicates it can lead to denial of service attacks through crashes.
How do I fix CVE-2016-6823?
To fix CVE-2016-6823, upgrade ImageMagick to version 7.0.2-10 or higher.
What versions of ImageMagick are affected by CVE-2016-6823?
CVE-2016-6823 affects ImageMagick versions prior to 7.0.2-10 and several 6.x versions up to 6.9.10-50.
What kind of attack does CVE-2016-6823 allow?
CVE-2016-6823 allows remote attackers to execute a denial of service attack by causing crashes through crafted image dimensions.
Is CVE-2016-6823 related to image processing?
Yes, CVE-2016-6823 is specifically related to integer overflow in the BMP coder used in ImageMagick for image processing.
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