CVE-2015-6816: Critical severity red hat fedora vulnerability
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
Other sources
ganglia-web before 3.7.1 allows remote attackers to bypass authentication.
— MITRE
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2015-6816?
CVE-2015-6816 is considered a high severity vulnerability due to its potential to allow unauthorized access.
How do I fix CVE-2015-6816?
To fix CVE-2015-6816, update Ganglia-web to a version later than 3.7.0 or apply available patches.
What impact does CVE-2015-6816 have on affected systems?
CVE-2015-6816 can lead to unauthorized access to admin functionalities, compromising sensitive data.
Which software versions are affected by CVE-2015-6816?
CVE-2015-6816 affects Ganglia-web versions up to and including 3.7.0 and Fedora versions 21, 22, and 23.
Is CVE-2015-6816 exploitable remotely?
Yes, CVE-2015-6816 is exploitable remotely by attackers who can craft specific requests to bypass authentication.