Cisco Security Advisory
Click Icon to Copy Verbose Score
AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:OF/RC:C
-
A vulnerability in the Wireless Session Protocol (WSP) function of Cisco ASR 5000 Series Gateway GPRS Support Node (GGSN) could allow an unauthenticated, remote attacker to browse free of charge instead of being redirected to a Top-Up portal.
The vulnerability is due to incorrect processing of certain WSP packets. An attacker could exploit this vulnerability by sending crafted WSP packets. An exploit could allow the attacker to browse free of charge instead of being redirected to a Top-Up portal.
Cisco has confirmed the vulnerability in a security notice and released software updates.
To exploit this vulnerability, an attacker my need access to trusted, internal networks to send crafted WSP packets to a targeted device. This access requirement may reduce the likelihood of a successful exploit.
-
Customers are advised to consult Cisco bug ID CSCuh28371 for the most complete list of affected product versions.
Vulnerable Products
At the time this alert was first published, Cisco ASR 5000 Series Software versions 12.1 and prior were vulnerable. Later releases of Cisco ASR 5000 Series Software may also be vulnerable.Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by these vulnerabilities.
-
Administrators are advised to apply the appropriate updates.
Administrators are advised to allow only trusted users to have network access.
Administrators may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected 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 email at tac@cisco.com for assistance.
-
The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
-
To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
-
Show LessVersion Description Section Status Date 1.0 Initial Release NA Final 2014-Jan-22
-
THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.
A stand-alone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy, and may lack important information or contain factual errors. The information in this document is intended for end-users of Cisco products.