Vigil@nce - Cisco AnyConnect Secure Mobility Client: executing DLL code
August 2017 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can create a malicious DLL, and then put it in the
current directory of Cisco AnyConnect Secure Mobility Client for
MS-Windows, in order to run code with the system privileges.
Impacted products: Cisco AnyConnect Secure Mobility Client.
Severity: 2/4.
Creation date: 08/06/2017.
DESCRIPTION OF THE VULNERABILITY
The Cisco AnyConnect Secure Mobility Client product uses external
shared libraries (DLL).
However, if the working directory contains a malicious DLL, it is
automatically loaded.
An attacker can therefore create a malicious DLL, and then put it
in the current directory of Cisco AnyConnect Secure Mobility
Client for MS-Windows, in order to run code with the system
privileges.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Cisco-AnyConnect-Secure-Mobility-Client-executing-DLL-code-22920