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Undertow Inconsistent Interpretation of HTTP Requests (HTTP Request Smuggling) Vulnerability - CVE-2017-12165 - Vulnerability Database
Undertow

Undertow Inconsistent Interpretation of HTTP Requests (HTTP Request Smuggling) Vulnerability - CVE-2017-12165

High
Reference: CVE-2017-12165
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2017-12165
Title: Undertow Inconsistent Interpretation of HTTP Requests (HTTP Request Smuggling) Vulnerability
Overview:

It was discovered that Undertow before 1.4.17 1.3.31 and 2.0.0 processes http request headers with unusual whitespaces which can cause possible http request smuggling.