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

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 (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)
	kinetic	Not vulnerable (1:4.1.45-1)
	lunar	Not vulnerable (1:4.1.45-1)
	mantic	Not vulnerable (1:4.1.45-1)
	trusty	Released (1:3.2.6.Final-2+deb8u2build0.14.04.1~esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	upstream	Needs triage
	xenial	Needed
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
	kinetic	Does not exist
	lunar	Does not exist
	mantic	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

References

Join the discussion

Canonical is offering Expanded Security Maintenance

Canonical is offering Ubuntu Expanded Security Maintenance (ESM) for security fixes and essential packages.

Find out more about ESM ›