TP-LINK TDDP Debugging Service memory corruption

Summaryinfo

A vulnerability was found in TP-LINK TDDP and classified as critical. This impacts an unknown function of the component Debugging Service. The manipulation results in memory corruption. The attack can be launched remotely. Moreover, an exploit is present. Applying restrictive firewalling is recommended.

Detailsinfo

A vulnerability classified as critical has been found in TP-LINK TDDP (the affected version is unknown). Affected is an unknown code of the component Debugging Service. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 11/22/2016 by Andres Lopez Luksenberg and Joaquin Rodriguez Varela with Core Security as [CORE-2016-0007] - TP-LINK TDDP Multiple Vulnerabilities as not defined mailinglist post (Bugtraq). The advisory is available at seclists.org. The vendor was not involved in the coordination of the public release. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Andres Lopez Luksenberg/Joaquin Rodriguez Varela and been published immediately after the advisory. The exploit is shared for download at seclists.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 49 days. During that time the estimated underground price was around $0-$5k.

It is possible to mitigate the weakness by firewalling udp/1040. The mailinglist post contains the following remark:

2016-11-09: Core Security sent a fourth notification to TP-Link through email and Twitter without receiving any response whatsoever.

The entry VDB-93761 is pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• TP-LINK

Name

• TDDP

License

• commercial

Website

• Vendor: https://www.tp-link.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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