Bug 1260562 - (CVE-2015-6816) CVE-2015-6816 ganglia: Bypassing Ganglia-web auth using boolean serialization
CVE-2015-6816 ganglia: Bypassing Ganglia-web auth using boolean serialization
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
high Severity high
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Assigned To: Red Hat Product Security
impact=important,public=20150904,repo...
: Security
Depends On: 1260563 1260564
Blocks:
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Reported: 2015-09-07 05:19 EDT by Adam Mariš
Modified: 2017-09-27 20:01 EDT (History)
6 users (show)

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Description Adam Mariš 2015-09-07 05:19:01 EDT
A vulnerability of auth bypassing was found in Ganglia-web. It's easy to bypass auth by using boolean serialization like this:
$ php -r "echo urlencode(serialize(array('user'=>'admin','group'=>'admin', 'token'=>true)));"

Vulnerable code: 

https://github.com/ganglia/ganglia-web/blob/4e98ea69e0e18b388cdc73809ce54843a16ff87b/lib/GangliaAuth.php#L34-L46

Upstream report:

https://github.com/ganglia/ganglia-web/issues/267

CVE assignment:

http://seclists.org/oss-sec/2015/q3/502
Comment 1 Adam Mariš 2015-09-07 05:19:36 EDT
Created ganglia tracking bugs for this issue:

Affects: fedora-all [bug 1260563]
Affects: epel-all [bug 1260564]
Comment 2 Fedora Update System 2015-11-08 12:51:45 EST
ganglia-3.7.2-2.el7 has been pushed to the Fedora EPEL 7 stable repository. If problems still persist, please make note of it in this bug report.
Comment 3 Fedora Update System 2015-11-08 13:24:14 EST
ganglia-3.7.2-2.el6 has been pushed to the Fedora EPEL 6 stable repository. If problems still persist, please make note of it in this bug report.

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