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Bug 1397707 - (CVE-2016-4332) CVE-2016-4332 hdf5: Shareable message type out-of-bounds write
CVE-2016-4332 hdf5: Shareable message type out-of-bounds write
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 1470480
Blocks: 1397712
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Reported: 2016-11-23 03:48 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 03:48:00 EST 
The vulnerability exists due to the library’s failure to check if certain message types support a particular flag. When this flag is set, the library will cast the structure to an alternative structure and then assign to fields that aren’t supported by the message type. Due to the message type not being able to support this flag, the library will write outside the bounds of the heap buffer. This can lead to code execution under the context of the library.

External References:

http://www.talosintelligence.com/reports/TALOS-2016-0178/
Comment 1 Andrej Nemec 2016-11-23 03:55:30 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 22:39:43 EDT 
Created hdf5 tracking bugs for this issue:

Affects: openshift-1 [bug 1470480]
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