Vulnerability Details : CVE-2016-9773
Heap-based buffer overflow in the IsPixelGray function in MagickCore/pixel-accessor.h in ImageMagick 7.0.3.8 allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted image file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9556.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2016-9773
- cpe:2.3:a:imagemagick:imagemagick:7.0.3-8:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-9773
0.37%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 69 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-9773
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2016-9773
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-9773
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http://www.openwall.com/lists/oss-security/2016/12/02/11
oss-security - Re: imagemagick: heap-based buffer overflow in IsPixelGray (pixel-accessor.h) (Incomplete fix for CVE-2016-9556)Mailing List;Third Party Advisory
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https://blogs.gentoo.org/ago/2016/12/01/imagemagick-heap-based-buffer-overflow-in-ispixelgray-pixel-accessor-h-incomplete-fix-for-cve-2016-9556/
imagemagick: heap-based buffer overflow in IsPixelGray (pixel-accessor.h) (Incomplete fix for CVE-2016-9556) | agostino's blogPatch;Third Party Advisory;VDB Entry
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http://www.openwall.com/lists/oss-security/2016/12/02/12
oss-security - Re: Re: imagemagick: heap-based buffer overflow in IsPixelGray (pixel-accessor.h) (Incomplete fix for CVE-2016-9556)Mailing List;Third Party Advisory
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http://www.openwall.com/lists/oss-security/2016/12/01/4
oss-security - imagemagick: heap-based buffer overflow in IsPixelGray (pixel-accessor.h) (Incomplete fix for CVE-2016-9556)Mailing List;Third Party Advisory
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