Summaryinfo

A vulnerability identified as problematic has been detected in Linksys WRT160N 2.0.03 build 009. The affected element is an unknown function of the file apply.cgi of the component Parameter Handler. Performing a manipulation results in cross site scripting. This vulnerability is known as CVE-2013-2678. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in Linksys WRT160N 2.0.03 build 009 (Router Operating System). This affects some unknown functionality of the file apply.cgi of the component Parameter Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 12/01/2012. The weakness was published 02/11/2013 by Michael Messner (m1k3) with s3cur1ty as m1adv2013-012 as confirmed bulletin (Website). It is possible to read the advisory at s3cur1ty.de. The vendor was not involved in the public release. This vulnerability is uniquely identified as CVE-2013-2678 since 03/22/2013. The exploitability is told to be easy. It is possible to initiate the attack remotely. A authentication is required for exploitation. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

A public exploit has been developed by m-1-k-3 and been published immediately after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 72 days. During that time the estimated underground price was around $0-$5k.

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 Exploit-DB (24478) and OSVDB (90092†). Similar entries are available at VDB-7608, VDB-7609, VDB-7610 and VDB-7611. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• Linksys

Name

• WRT160N

Version

• 2.0.03 build 009

License

• commercial

Website

• Vendor: https://www.linksys.com/

CPE 2.3info

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CPE 2.2info

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