CVE-2020-7659: Inconsistent Interpretation of HTTP Requests (HTTP Request Smuggling)

June 1, 2020 (updated June 2, 2020)

reel 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.

References

nvd.nist.gov/vuln/detail/CVE-2020-7659

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