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CVE-2022-24801

Description

A flaw was found in python-twisted. This vulnerability occurs due to the parsing of illegal constructs in the twisted.web.http module. The illegal constructs include '+/-' in the Content-Length header, '\n and \t' etc. Non-conformant parsing leads to a desync if requests pass through multiple HTTP parsers. This flaw allows a remote attacker to perform an HTTP request smuggling attack. #### Mitigation Filter malformed requests like '\+ or -' in Content-Length header, Illegal characters like LF(\n) and HTAB(\t), and 0x prefixes in HTTP Headers.


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