FreeBSD : tomcat -- HTTP request smuggling in multiple versions (d34bef0b-f312-11eb-b12b-fc4dd43e2b6a)

medium Nessus Plugin ID 152204



The remote FreeBSD host is missing one or more security-related updates.


Bahruz Jabiyev, Steven Sprecher and Kaan Onarlioglu of NEU seclab reports :

Apache Tomcat did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: Tomcat incorrectly ignored the transfer-encoding header if the client declared it would only accept an HTTP/1.0 response; Tomcat honoured the identify encoding; and Tomcat did not ensure that, if present, the chunked encoding was the final encoding.


Update the affected packages.

See Also

Plugin Details

Severity: Medium

ID: 152204

File Name: freebsd_pkg_d34bef0bf31211ebb12bfc4dd43e2b6a.nasl

Version: 1.2

Type: local

Published: 8/4/2021

Updated: 8/9/2021

Risk Information


Risk Factor: Low

Score: 1.4


Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Temporal Vector: E:U/RL:OF/RC:C


Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:tomcat10, p-cpe:/a:freebsd:freebsd:tomcat85, p-cpe:/a:freebsd:freebsd:tomcat9, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 8/1/2021

Vulnerability Publication Date: 5/7/2021

Reference Information

CVE: CVE-2021-33037