24101 : Basic Analysis and Security Engine (BASE) base_maintenance.php Authentication Bypass
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Info

Last Modified

6 months ago

Percent Complete

90%

Disclosure

Feb 26, 2006

Discovery

Feb 26, 2006

Dates

Exploit

Mar 24, 2006

Solution

Unknown

Description

Basic Analysis and Security Engine (BASE) contains a flaw that may allow a malicious user to bypass BASE built in authentication system for the base_maintenance.php script. The issue is due to the broken "AuthenticateNoCookie()" function which is used in standalone mode. It is possible that the flaw may allow access to base_maintenance.php page resulting in a loss of confidentiality.

Classification

Location: Remote/Network Access Required
Attack Type: Input Manipulation
Impact: Loss of Confidentiality
Exploit: Exploit Available
Disclosure: OSVDB Verified
OSVDB: Web Related

Technical

This vulnerability is only present when BASE built in authentication system is used and not with Web server authentication system.

Solution

Upgrade to version 1.2.4 (melissa) or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Basic Analysis and Security Engine
Watch-list
(BASE)
Watch-list
1.1 (elizabeth)
1.1.2 (zora)
1.1.3 (lynn)
1.1.4 (cheryl)
1.2.0 (betty)
1.2.1 (kris)
1.2.2 (cindy)
1.2.4 (melissa)

References

Tools & Filters

Nessus

21174

Manual Testing Notes

Credit

Unknown or Incomplete

Blogs

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