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TITLE:
Cisco AnyConnect VPN Client Two Vulnerabilities

SECUNIA ADVISORY ID:
SA44812

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/44812/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=44812

RELEASE DATE:
2011-06-03

DISCUSS ADVISORY:
http://secunia.com/advisories/44812/#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/44812/

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=44812

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:
Two vulnerabilities have been reported in Cisco AnyConnect VPN
Client, which can be exploited by malicious people with physical
access to bypass certain security restrictions and by malicious
people to compromise a user's system.

1) An error in the graphical user interface when displayed on the
Windows logon screen can be exploited to perform certain actions with
the privileges of the LocalSystem account.

Successful exploitation of this vulnerability requires the Start
Before Logon (SBL) feature to be enabled.

2) An error in the helper application used for remote deployment of
the client (e.g. "Cisco.AnyConnect.VPNWeb.1" ActiveX control) due to
insufficient authenticity validation of downloaded executables can be
exploited to download and execute an arbitrary program.

Please see the vendor's advisory for a list of affected versions and
platforms.

SOLUTION:
Update to a fixed version (please see the vendor's advisory for
details).

PROVIDED AND/OR DISCOVERED BY:
1) Reported to the vendor by a customer.
2) The vendor credits Elazar Broad via iDefense.

ORIGINAL ADVISORY:
Cisco (cisco-sa-20110601-ac):
http://www.cisco.com/warp/public/707/cisco-sa-20110601-ac.shtml

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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