Bug 1388787 (CVE-2016-6911) - CVE-2016-6911 gd, php: Missing check for OOB read in dynamicGetbuf()
Summary: CVE-2016-6911 gd, php: Missing check for OOB read in dynamicGetbuf()
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2016-6911
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1388788 1388790
Blocks: 1388796
TreeView+ depends on / blocked
 
Reported: 2016-10-26 08:11 UTC by Adam Mariš
Modified: 2019-09-29 13:58 UTC (History)
19 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A vulnerability was found in gd. The function dynamicGetbuf() failed to check for out of bounds reads. An attacker could create a crafted image that would lead to a crash or, potentially, information disclosure.
Clone Of:
Environment:
Last Closed: 2016-12-16 04:30:55 UTC
Embargoed:

Attachments (Terms of Use)
CVE-2016-6911 patch (14.69 KB, patch)
2016-10-26 08:17 UTC, Adam Mariš 		no flags Details | Diff
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Description Adam Mariš 2016-10-26 08:11:09 UTC 
It was found that dynamicGetbuf() doesn't check for out-of-bounds read and returns wrong return code.
Comment 1 Adam Mariš 2016-10-26 08:11:56 UTC 
Created gd tracking bugs for this issue:

Affects: fedora-all [bug 1388788]
Comment 2 Adam Mariš 2016-10-26 08:12:07 UTC 
Created php tracking bugs for this issue:

Affects: fedora-all [bug 1388790]
Comment 3 Adam Mariš 2016-10-26 08:17:42 UTC 
Created attachment 1214203 [details]
CVE-2016-6911 patch
Comment 4 Marek Skalický 2016-12-05 09:52:31 UTC 
Why the patch is not published to upstream?
Who created the fix please?
Comment 5 Adam Mariš 2016-12-05 10:42:32 UTC 
(In reply to Marek Skalický from comment #4)
> Why the patch is not published to upstream?
> Who created the fix please?

I took it from https://bugzilla.suse.com/show_bug.cgi?id=1005274#c0
Comment 6 Marek Skalický 2016-12-06 11:21:05 UTC 
Pull request to upstream
https://github.com/libgd/libgd/pull/353
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