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CVE-2019-20445

Published: 29 January 2020

HttpObjectDecoder.java in Netty before 4.1.44 allows a Content-Length header to be accompanied by a second Content-Length header, or by a Transfer-Encoding header.

From the Ubuntu Security Team

It was discovered that Netty has HTTP request smuggling vulnerability. A remote attacker could use it to extract sensitive information.

Priority

Medium

Cvss 3 Severity Score

9.1

Score breakdown

Status

Package Release Status
netty
Launchpad, Ubuntu, Debian
bionic
Released (1:4.1.7-4ubuntu0.1)
eoan Ignored
(reached end-of-life)
focal Not vulnerable
(1:4.1.45-1)
groovy Not vulnerable
(1:4.1.45-1)
hirsute Not vulnerable
(1:4.1.45-1)
impish Not vulnerable
(1:4.1.45-1)
jammy Not vulnerable
(1:4.1.45-1)
precise Does not exist

trusty
Released (1:3.2.6.Final-2+deb8u2build0.14.04.1~esm1)
upstream Needs triage

xenial Needs triage

netty-3.9
Launchpad, Ubuntu, Debian
bionic
Released (3.9.9.Final-1+deb9u1build0.18.04.1)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial
Released (3.9.0.Final-1ubuntu0.1)

Severity score breakdown

Parameter Value
Base score 9.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N