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Bug 1579946 - (CVE-2018-11202) CVE-2018-11202 hdf5: NULL pointer dereference in H5S_hyper_make_spans in H5Shyper.c
CVE-2018-11202 hdf5: NULL pointer dereference in H5S_hyper_make_spans in H5Sh...
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=20180516,reported=2...
: Security
Depends On: 1579947 1579949 1584441 1579964 1584436 1584437 1584438 1584439 1584440
Blocks: 1579966
  Show dependency tree / graph
 
Reported: 2018-05-18 15:49 EDT by Laura Pardo
Modified: 2018-09-23 22:54 EDT (History)
21 users (show)

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Doc Type: If docs needed, set a value
Doc Text:
A NULL pointer dereference flaw was found in H5S_hyper_make_spans in H5Shyper.c in the HDF HDF5 1.10.2 library. This could allow a remote denial of service attack.
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RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
a plausible fix (839 bytes, patch)
2018-05-21 08:10 EDT, Caolan McNamara 		no flags Details | Diff
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Description Laura Pardo 2018-05-18 15:49:14 EDT 
A flaw was found in the HDF HDF5 1.10.2 library. A NULL pointer dereference was discovered in H5S_hyper_make_spans in H5Shyper.c. It could allow a remote denial of service attack.


References:
https://github.com/Twi1ight/fuzzing-pocs/tree/master/hdf5
Comment 1 Laura Pardo 2018-05-18 15:50:48 EDT 
Created hdf5 tracking bugs for this issue:

Affects: epel-all [bug 1579947]
Affects: fedora-all [bug 1579949]
Comment 4 Caolan McNamara 2018-05-21 08:10 EDT 
Created attachment 1439597 [details]
a plausible fix
Comment 6 Joshua Padman 2018-05-28 23:17:10 EDT 
This affects the hdf5 versions delivered by RHOS. However, there is very low likelihood that an attacker would be able to exploit this in a meaningful way through gnocchi. 

Dependency trail.
  gnocchi->python-pandas->python-tables->hdf5

By default RHOS:
https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/12/html/logging_monitoring_and_troubleshooting_guide/configuring_the_time_series_database_gnocchi_for_telemetry#time_series_database_components
"To store the aggregated measures, Gnocchi relies on either Swift or Ceph (Object Storage). Gnocchi also leverages MySQL to store the index of resources and metrics." HDF5 is a lose requirement.
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