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About bug "CSCvc97928", does it effect AnyConnect 3.1?

lpohpon
Cisco Employee
Cisco Employee

Hi team,

Regarding, "Cisco AnyConnect Local Privilege Escalation Vulnerability, CSCvc97928". Does it effect to AnyConnect software client release 3.1?

Thanks,

Latthaphon

1 REPLY 1

farcosre
Cisco Employee
Cisco Employee

Hi!

A vulnerability in how DLL files are loaded with Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to install and run an executable file with privileges equivalent to the Microsoft Windows SYSTEM account.

The vulnerability is due to incomplete input validation of path and file names of a DLL file before it is loaded. An attacker could exploit this vulnerability by creating a malicious DLL file and installing it in a specific system directory. A successful exploit could allow the attacker to execute commands on the underlying Microsoft Windows host with privileges equivalent to the SYSTEM account. The attacker would need valid user credentials to exploit this vulnerability.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170607-anyconnect

This vulnerability affects all Cisco AnyConnect Secure Mobility Client for Windows software versions prior to 4.4.02034.

Greetings

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