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Bug 1454621 - (CVE-2017-7507) CVE-2017-7507 gnutls: Crash upon receiving well-formed status_request extension
CVE-2017-7507 gnutls: Crash upon receiving well-formed status_request extension
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20170607,repor...
: Security
Depends On: 1459796 1454411 1455828 1459795 1459797 1459798
Blocks: 1415638 1454623
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Reported: 2017-05-23 04:09 EDT by Andrej Nemec
Modified: 2018-07-18 11:22 EDT (History)
24 users (show)

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Doc Text:
A null pointer dereference flaw was found in the way GnuTLS processed ClientHello messages with status_request extension. A remote attacker could use this flaw to cause an application compiled with GnuTLS to crash.
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RHEL 7.3 requirements from Atomic Host:
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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Bugzilla 1454411 None None None 2017-05-23 08:44 EDT
Red Hat Product Errata RHSA-2017:2292 normal SHIPPED_LIVE Moderate: gnutls security, bug fix, and enhancement update 2017-08-01 08:39:15 EDT

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Description Andrej Nemec 2017-05-23 04:09:13 EDT 
It was found that GnuTLS would crash when receiving a client hello message with status_request extension that has a non-empty responder_id_list.
Comment 1 Andrej Nemec 2017-05-23 04:09:23 EDT 
Acknowledgments:

Name: Hubert Kario (Red Hat QE BaseOS Security team)
Comment 6 Andrej Nemec 2017-06-08 04:18:27 EDT 
Created gnutls tracking bugs for this issue:

Affects: fedora-all [bug 1459795]


Created gnutls30 tracking bugs for this issue:

Affects: epel-6 [bug 1459797]


Created mingw-gnutls tracking bugs for this issue:

Affects: epel-7 [bug 1459796]
Affects: fedora-all [bug 1459798]
Comment 7 Andrej Nemec 2017-06-08 04:19:30 EDT 
External References:

https://www.gnutls.org/security.html#GNUTLS-SA-2017-4
Comment 8 errata-xmlrpc 2017-08-01 04:50:28 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2017:2292 https://access.redhat.com/errata/RHSA-2017:2292
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