CVE-2019-16869

Published: 26 September 2019

Netty before 4.1.42.Final mishandles whitespace before the colon in HTTP headers (such as a "Transfer-Encoding : chunked" line), which leads to HTTP request smuggling.

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

7.5

Score breakdown

Status

Package	Release	Status
netty Launchpad, Ubuntu, Debian	bionic	Needed
	disco	Ignored (reached end-of-life)
	eoan	Ignored (reached end-of-life)
	focal	Not vulnerable (1:4.1.33-3)
	groovy	Not vulnerable (1:4.1.33-3)
	hirsute	Not vulnerable (1:4.1.33-3)
	impish	Not vulnerable (1:4.1.33-3)
	jammy	Not vulnerable (1:4.1.33-3)
	kinetic	Not vulnerable (1:4.1.33-3)
	precise	Does not exist
	trusty	Released (1:3.2.6.Final-2+deb8u2build0.14.04.1~esm1)
	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
	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	7.5
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	High
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

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