Secunia Research: LotusCMS "page" User Enumeration Weakness

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                     Secunia Research 15/03/2011

 	    - LotusCMS "page" User Enumeration Weakness -

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Table of Contents

Affected Software...................................................1
Severity............................................................2
Vendor's Description of Software....................................3
Description of Vulnerability........................................4
Solution............................................................5
Time Table..........................................................6
Credits.............................................................7
References..........................................................8
About Secunia.......................................................9
Verification.......................................................10

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1) Affected Software 

* LotusCMS version 3.0.3.

NOTE: Other versions may also be affected.

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2) Severity 

Rating: Not critical
Impact: Exposure of sensitive information
Where:  From remote

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3) Vendor's Description of Software 

"State of the Art, flat-file, Content Management System."

Product Link:
http://www.lotuscms.org/

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4) Description of Vulnerability

Secunia Research has discovered a weakness in LotusCMS, which can be 
exploited by malicious people to disclose sensitive information.

The "saveFile()" function in core/lib/cacher.php script displays 
different error messages depending on the existence of a user passed 
via the "page" parameter to index.php. This can be exploited to 
enumerate existing users via directory traversal sequences.

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5) Solution 

Update to version 3.0.5.

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6) Time Table

09/03/2011 - Vendor notified.
15/03/2011 - Vendor response.
15/03/2011 - Public disclosure.

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7) Credits 

Discovered by Secunia Research.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has not 
currently assigned a CVE identifier for the weakness.

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9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://secunia.com/advisories/business_solutions/

Secunia also provides a publicly accessible and comprehensive advisory
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http://secunia.com/advisories/mailing_lists/

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10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2011-16/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

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