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TITLE:
CommunityManager.NET Authentication Bypass Vulnerability

SECUNIA ADVISORY ID:
SA42701

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/42701/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=42701

RELEASE DATE:
2010-12-22

DISCUSS ADVISORY:
http://secunia.com/advisories/42701/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/42701/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=42701

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Sense of Security has reported a vulnerability in
CommunityManager.NET, which can be exploited by malicious people to
bypass certain security restrictions.

The vulnerability is caused due to a validation error when
identifying a user of web requests. This can be exploited to bypass
the authentication mechanism by setting the "CMLogUserwww2" and
"OnlineLearnUserwww2" cookie values to a valid user ID.

Successful exploitation requires creating a valid ASP.NET session
ID.

The vulnerability is reported in version 6.7. Other versions may also
be affected.

SOLUTION:
Reportedly a patch has been released. Contact the vendor for further
information.

PROVIDED AND/OR DISCOVERED BY:
Sense of Security

ORIGINAL ADVISORY:
Sense of Security:
http://www.senseofsecurity.com.au/advisories/SOS-10-004

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
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Please Note:
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Secunia NEVER sends attached files with advisories.
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use those supplied by the vendor.

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