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Bug 1409835 - (CVE-2016-8741) CVE-2016-8741 qpid-java: Information leakage via specific AuthenticationProviders
CVE-2016-8741 qpid-java: Information leakage via specific AuthenticationProvi...
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=20161228,reported=2...
: Security
Depends On: 1409836
Blocks:
  Show dependency tree / graph
 
Reported: 2017-01-03 10:08 EST by Andrej Nemec
Modified: 2018-10-19 17:56 EDT (History)
20 users (show)

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Fixed In Version: qpid-java 6.0.6, qpid-java 6.1.1
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Description Andrej Nemec 2017-01-03 10:08:47 EST 
The Qpid Broker for Java can be configured to use different so
called AuthenticationProviders to handle user authentication.

Among the choices are the SCRAM-SHA-1 and SCRAM-SHA-256
AuthenticationProvider types.

It was discovered that these AuthenticationProviders prematurely
terminate the SCRAM SASL negotiation if the provided user name
does not exist thus allowing remote attacker to determine the
existence of user accounts.

The Vulnerability does not apply to AuthenticationProviders other
than SCRAM-SHA-1 and SCRAM-SHA-256.

References:

http://seclists.org/oss-sec/2016/q4/772

Upstream bug:

https://issues.apache.org/jira/browse/QPID-7599
Comment 1 Andrej Nemec 2017-01-03 10:09:29 EST 
Created qpid-java tracking bugs for this issue:

Affects: fedora-all [bug 1409836]
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