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Bug 1397708 - (CVE-2016-4333) CVE-2016-4333 hdf5: H5T_COMPOUND heap buffer overflow
CVE-2016-4333 hdf5: H5T_COMPOUND heap buffer overflow
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20161115,reported=2...
: Security
Depends On: 1397715 1397716 1413825 1470481
Blocks: 1397712
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Reported: 2016-11-23 03:50 EST by Andrej Nemec
Modified: 2018-06-29 18:16 EDT (History)
33 users (show)

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Multiple heap overflows were found in HDF5. These issues could be used to gain code execution in any program that exposes the affected functions to untrusted input. While HDF5 is shipped as a dependency, no Red Hat products are known to expose these issues in any supported use case at this time.
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Description Andrej Nemec 2016-11-23 03:50:06 EST 
The vulnerability exists due to the library allocating space for the array using a value from the file, and then within the loop for initializing said array allowing a value within the file to modify the loop’s terminator. Due to this, an aggressor can cause the loop’s index to point outside the bounds of the array when initializing it. This is a heap-based buffer overflow, and can lead to code execution under the context of the application using the library.

External References:

http://www.talosintelligence.com/reports/TALOS-2016-0179/
Comment 1 Andrej Nemec 2016-11-23 03:55:47 EST 
Created hdf5 tracking bugs for this issue:

Affects: fedora-all [bug 1397715]
Affects: epel-all [bug 1397716]
Comment 3 Kurt Seifried 2017-07-12 22:39:49 EDT 
Created hdf5 tracking bugs for this issue:

Affects: openshift-1 [bug 1470481]
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