[NT] Cisco Windows VPN Client Local Privilege Escalation
- From: SecuriTeam <support@xxxxxxxxxxxxxx>
- Date: 29 May 2006 16:27:25 +0200
The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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Cisco Windows VPN Client Local Privilege Escalation
" <http://www.cisco.com/en/US/products/sw/secursw/ps2308/index.html> Cisco
VPN Client allows organizations to establish end-to-end, encrypted VPN
tunnels for secure connectivity for mobile employees or teleworkers. "
A vulnerability in the Cisco VPN client dialer, can be exploited to
elevate user privileges and obtain LocalSystem-equivalent privileges.
* Cisco Windows VPN Client version 2.x
* Cisco Windows VPN Client version 3.x
* Cisco Windows VPN Client version 4.0.x
* Cisco Windows VPN Client version 4.6.x
* Cisco Windows VPN Client version 4.7.00.0533
* Cisco Windows VPN Client version 4.8.00.x
* Cisco Windows VPN Client version 4.7.x
* Cisco Windows VPN Client version 4.8.01.0300
* Cisco VPN Client for Solaris
* Cisco VPN Client for Linux
* Cisco VPN Client for MacOS X
* Cisco VPN Client for MacOS Classic
A vulnerability in the Cisco VPN Client for Windows Graphical User
Interface (GUI), also known as the "VPN client dialer", can be exploited
to elevate user privileges and obtain LocalSystem-equivalent privileges.
This issue is not related to any known issues in Microsoft Windows itself.
Successful exploitation of the vulnerability may result in a normal user
or attacker gaining full control of the system, evading any controls put
in place by the Windows system administrator.
This vulnerability is fixed in version 4.8.01.0300 of the Cisco VPN Client
for Windows, which can be downloaded from the following location:
The information has been provided by <mailto:psirt@xxxxxxxxx> Cisco
Systems Product Security Team.
The original article can be found at:
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