Secunia Research: Achievo "owner" Scheduler Security Bypass Vulnerability

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                     Secunia Research 23/03/2011

     - Achievo "owner" Scheduler Security Bypass Vulnerability -

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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

* Achievo 1.4.5

NOTE: Other versions may also be affected.

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2) Severity 

Rating: Less critical
Impact: Security Bypass
Where:  From remote

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3) Vendor's Description of Software 

Achievo is a flexible web-based resource management tool for business 
environments."

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

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4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Achievo, which can 
be exploited by malicious users to bypass certain security 
restrictions.

The vulnerability is caused by the application not properly verifying 
the "owner" parameter while adding schedules in the "Scheduler" 
module. This can be exploited to add schedules to another user's 
calendar.

Successful exploitation requires "Add" permissions for "Scheduler" 
under "Scheduler".

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5) Solution 

A fix is not currently available.

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6) Time Table

18/11/2010 - Requested security contact.
26/11/2010 - Vendor response.
26/11/2010 - Details provided to vendor.
15/12/2010 - Status update requested.
20/12/2010 - Vendor response.
20/01/2011 - Status update requested.
24/01/2011 - Vendor response.
17/03/2011 - Status update requested.
22/03/2011 - Vendor replied saying they are looking for a new 
             maintainer and don't have a fix date yet.
23/03/2011 - 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 vulnerability.

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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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individuals, who are interested in or concerned about IT-security.

http://secunia.com/advisories/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the 
security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
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http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

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/2011-24/

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

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