Vigil@nce - Cisco AnyConnect Secure Mobility Client: directory traversal
September 2015 by Vigil@nce
This bulletin was written by Vigil@nce : http://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can traverse directories of Cisco AnyConnect Secure
Mobility Client, in order to write a file outside the service root
path.
Impacted products: Cisco AnyConnect Secure Mobility Client,
AnyConnect VPN Client.
Severity: 2/4.
Creation date: 31/07/2015.
DESCRIPTION OF THE VULNERABILITY
The Cisco AnyConnect Secure Mobility Client product offers a web
service.
However, user’s data are directly inserted in an access path.
Sequences such as "/.." can thus be used to go in the upper
directory.
An attacker can therefore traverse directories of Cisco AnyConnect
Secure Mobility Client, in order to write a file outside the
service root path.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
http://vigilance.fr/vulnerability/Cisco-AnyConnect-Secure-Mobility-Client-directory-traversal-17550