reel up to 0.6.1 Header Parsing Content-Length/Transfer-Encoding request smuggling

Summaryinfo

A vulnerability identified as critical has been detected in reel up to 0.6.1. This affects an unknown part of the component Header Parsing. The manipulation of the argument Content-Length/Transfer-Encoding as part of HTTP Request leads to request smuggling. This vulnerability is uniquely identified as CVE-2020-7659. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in reel up to 0.6.1. This issue affects some unknown functionality of the component Header Parsing. The manipulation of the argument Content-Length/Transfer-Encoding as part of a HTTP Request leads to a request smuggling vulnerability. Using CWE to declare the problem leads to CWE-444. The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

reel through 0.6.1 allows Request Smuggling attacks due to incorrect Content-Length and Transfer encoding header parsing. It is possible to conduct HTTP request smuggling attacks by sending the Content-Length header twice. Furthermore, invalid Transfer Encoding headers were found to be parsed as valid which could be leveraged for TE:CL smuggling attacks. Note: This project is deprecated, and is not maintained any more.

The weakness was disclosed 06/01/2020. The identification of this vulnerability is CVE-2020-7659 since 01/21/2020. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

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

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Productinfo

Name

• reel

Version

• 0.6.0
• 0.6.1

CPE 2.3info

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CPE 2.2info

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