RubySec

Providing security resources for the Ruby community

CVE-2020-7659 (reel): HTTP Request Smuggling in reel

ADVISORIES

GEM

reel

SEVERITY

CVSS v3: 7.5

PATCHED VERSIONS

None.

DESCRIPTION

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 TECL smuggling attacks. Note, This project is deprecated, and is not maintained any more.