CVE-2015-6816
First published: Mon Sep 07 2015(Updated: )
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: <a href="https://github.com/ganglia/ganglia-web/blob/4e98ea69e0e18b388cdc73809ce54843a16ff87b/lib/GangliaAuth.php#L34-L46">https://github.com/ganglia/ganglia-web/blob/4e98ea69e0e18b388cdc73809ce54843a16ff87b/lib/GangliaAuth.php#L34-L46</a> Upstream report: <a href="https://github.com/ganglia/ganglia-web/issues/267">https://github.com/ganglia/ganglia-web/issues/267</a> CVE assignment: <a href="http://seclists.org/oss-sec/2015/q3/502">http://seclists.org/oss-sec/2015/q3/502</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Fedora | =21 | |
| Fedora | =22 | |
| Fedora | =23 | |
| Ganglia | <=3.7.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://github.com/ganglia/ganglia-web/blob/4e98ea69e0e18b388cdc73809ce54843a16ff87b/lib/GangliaAuth.php#L34-L46
- https://github.com/ganglia/ganglia-web/issues/267
- http://seclists.org/oss-sec/2015/q3/502
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1260563
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1260564
- https://bugzilla.redhat.com/show_bug.cgi?id=1260562
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170362.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169641.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169788.html
- http://www.openwall.com/lists/oss-security/2015/09/05/6
- http://www.securityfocus.com/bid/92146
- https://www.freshports.org/sysutils/ganglia-webfrontend/
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.
- agent/references
- agent/type
- agent/softwarecombine
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- agent/remedy
- agent/severity
- agent/last-modified-date
- agent/author
- agent/weakness
- agent/description
- agent/event
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2015-6816
- agent/trending
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/fedoraproject
- canonical/fedora
- version/fedora/21
- version/fedora/22
- version/fedora/23
- vendor/ganglia
- canonical/ganglia
- version/ganglia/3.7.0