From: Secunia Security Advisories (sec-advsecunia.com)
Date: Tue Nov 30 2010 - 21:58:16 CST

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TITLE:
Cisco IPsec VPN Implementation Group Name Enumeration Weakness

SECUNIA ADVISORY ID:
SA42414

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/42414/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=42414

RELEASE DATE:
2010-12-01

DISCUSS ADVISORY:
http://secunia.com/advisories/42414/#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/42414/

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=42414

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:
A weakness has been reported in Cisco ASA (Adaptive Security
Appliance) 5500 Series, which can be exploited by malicious people to
gain knowledge of certain information.

The problem is that the device returns different responses depending
on whether or not a valid group name is supplied when the device is
configured for group name authentication and using a pre-shared key.

This is related to:
SA15765

SOLUTION:
Update to a fixed version when it becomes available. Please see the
vendor's advisory for more details.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Gavin Jones, NGS Secure.

ORIGINAL ADVISORY:
http://www.cisco.com/en/US/products/products_security_response09186a0080b5992c.html

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:
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