IntelliShield has updated this alert to add additional information to address the Cisco Host Scan component of the Cisco AnyConnect Secure Mobility and Secure Desktop heap overflow vulnerability.
The Cisco Host Scan component of Cisco AnyConnect Secure Mobility and Cisco Secure Desktop contains a heap overflow vulnerability that could allow a local, unprivileged user to elevate its privileges to those of SYSTEM.
Cisco has confirmed the vulnerability in a security notice and software updates are available.
At the time this alert was first published, the following versions of Cisco products were vulnerable. Later versions of Cisco products may also be affected.
Cisco AnyConnect Secure Mobility Client versions 3.1.02043 and prior
Cisco Secure Desktop versions 3.6.6234 and prior
To exploit this vulnerability, the attacker must have local access to a targeted system. This access restriction limits the possibility of a successful exploit.
Customers are advised to review the bug report in the Vendor Announcements section for a current list of affected versions.
Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.
A local attacker could exploit this vulnerability to execute arbitrary code with elevated privileges on a targeted device. Successful exploitation could be used to conduct further attacks.
Technical details are not available.
Administrators are advised to apply the appropriate updates.
Administrators are advised to allow only trusted users to access local systems.
Administrators are advised to allow only privileged users to access administration or management systems.
Administrators are advised to monitor affected systems.
Cisco customers with active contracts should contact their Cisco support team for assistance in upgrading to a software version that includes fixes for this vulnerability. Cisco customers without contracts may contact the Cisco Technical Assistance Center at 1-800-553-2447 or 1-408-526-7209 or via e-mail at firstname.lastname@example.org for assistance.
Version 3, April 23, 2013, 3:07 PM: IntelliShield has updated this alert to add additional information to address the Cisco AnyConnect Secure Mobility and Secure Desktop host scan heap overflow vulnerability.
Version 2, April 15, 2013, 10:25 PM: IntelliShield has updated this alert to add additional information to address the Cisco AnyConnect Secure Mobility and Secure Desktop ciscod.exe heap overflow vulnerability.
Version 1, April 11, 2013, 7:57 PM: Cisco AnyConnect VPN Client contains a heap overflow vulnerability that could allow a local attacker to gain elevated privileges. Updates are available.
The urgency and severity ratings of this alert are not tailored to individual users; users may value alerts differently based upon their network configurations and circumstances. THE ALERT, AND INFORMATION CONTAINED THEREIN, ARE PROVIDED ON AN "AS IS" BASIS AND DO NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE ALERT, AND INFORMATION CONTAINED THEREIN, OR MATERIALS LINKED FROM THE ALERT, IS AT YOUR OWN RISK. INFORMATION IN THIS ALERT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.