uws up to 0.10.8 Websocket Message input validation

Summaryinfo

A vulnerability has been found in uws up to 0.10.8 and classified as problematic. This vulnerability affects unknown code of the component Websocket Message Handler. This manipulation causes input validation. The identification of this vulnerability is CVE-2016-10544. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in uws up to 0.10.8. It has been declared as problematic. Affected by this vulnerability is an unknown part of the component Websocket Message Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

uws is a WebSocket server library. By sending a 256mb websocket message to a uws server instance with permessage-deflate enabled, there is a possibility used compression will shrink said 256mb down to less than 16mb of websocket payload which passes the length check of 16mb payload. This data will then inflate up to 256mb and crash the node process by exceeding V8's maximum string size. This affects uws >=0.10.0 <=0.10.8.

The bug was discovered 10/17/2016. The weakness was shared 05/31/2018 (Website). The advisory is shared at github.com. This vulnerability is known as CVE-2016-10544 since 10/29/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 591 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.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• uws

Version

• 0.10.0
• 0.10.1
• 0.10.2
• 0.10.3
• 0.10.4
• 0.10.5
• 0.10.6
• 0.10.7
• 0.10.8

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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