24101 : Basic Analysis and Security Engine (BASE) base_maintenance.php Authentication Bypass
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
4	550	over 6 years ago	about 1 year ago	1 times	90%

Timeline

Discovery Date	Disclosure Date	Exploit Publish Date
2006-02-26	2006-02-26	2006-03-24

Time to Exploit
26 days

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
Attack Type: Input Manipulation
Impact: Loss of Confidentiality
Solution: Upgrade
Exploit: Exploit Public
Disclosure: OSVDB Verified, Vendor 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	(BASE)	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

Secunia Advisory ID: 19510
CVE ID: 2006-1505 (see also: NVD)
Vendor Specific News/Changelog Entry: http://cvs.sourceforge.net/viewcvs.py/secureideas/base-php4/docs/CHANGELOG?rev=1.233&view=markup
http://sourceforge.net/project/shownotes.php?group_id=103348&release_id=402956
Vendor URL: http://secureideas.sourceforge.net/

Tools & Filters

	21174
	3501

Manual Testing Notes

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 5.0
Source: nvd.nist.gov | Generated: 2006-03-30 | Disagree?

Blogs

This product uses the Daylife API but is not endorsed or certified by Daylife.

This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.

None found at this time

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