colleend.insecure-transport-nodejs

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Checks for setting the environment variable NODE_TLS_REJECT_UNAUTHORIZED to 0, which disables TLS verification. This should only be used for debugging purposes. Setting the option rejectUnauthorized to false bypasses verification against the list of trusted CAs, which also leads to insecure transport. These options lead to vulnerability to MTM attacks, and should not be used.

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Detects direct creations of $HTTPS servers that don't disallow SSL v2, SSL v3, and TLS v1. These protocols are deprecated due to POODLE, man in the middle attacks, and other vulnerabilities.

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Detects creations of $HTTPS servers from option objects that don't disallow SSL v2, SSL v3, and TLS v1. These protocols are deprecated due to POODLE, man in the middle attacks, and other vulnerabilities.

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Checks for lack of usage of the "secure: true" option when sending ftp requests through the nodejs ftp module. This leads to unencrypted traffic being sent to the ftp server. There are other options such as "implicit" that still does not encrypt all traffic. ftp is the most utilized npm ftp module.

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Checks for requests sent to http:// URLs. This is dangerous as the server is attempting to connect to a website that does not encrypt traffic with TLS. Instead, only send requests to https:// URLs.

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Checks for requests to http (unencrypted) sites using some of node js's most popular REST/HTTP libraries, including node-rest-client, axios, and got.

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Checks for creation of telnet servers or attempts to connect through telnet. This is insecure as the telnet protocol supports no encryption, and data passes through unencrypted.

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Checks for any usage of http servers instead of https servers. Encourages the usage of https protocol instead of http, which does not have TLS and is therefore unencrypted. Using http can lead to man-in-the-middle attacks in which the attacker is able to read sensitive information.