Summaryinfo

A vulnerability was found in Cisco DPC2420. It has been rated as problematic. Affected is an unknown function of the file RgParentalBasic.asp. This manipulation causes cross site scripting. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability has been found in Cisco DPC2420 (version unknown) and classified as critical. Affected by this vulnerability is an unknown function of the file RgParentalBasic.asp. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 12/09/2012 by Facundo M. de la Cruz as 106 as confirmed posting (Full-Disclosure). The advisory is shared at seclists.org. The public release happened without involvement of Cisco. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

A public exploit has been developed by Facundo M. de la Cruz and been published immediately after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as highly functional. By approaching the search of inurl:RgParentalBasic.asp it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (80590), Exploit-DB (23250), SecurityFocus (BID 56868†) and OSVDB (88306†). Similar entries are available at VDB-7106 and VDB-7107. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Cisco

Name

• DPC2420

License

• commercial

Website

• Vendor: https://www.cisco.com/

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