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HTTP Request Smuggling in Netty

High severity GitHub Reviewed Published Oct 11, 2019 to the GitHub Advisory Database • Updated May 21, 2024

Package

maven io.netty:netty-all (Maven)

Affected versions

>= 4.0.0.Alpha1, < 4.1.42.Final

Patched versions

4.1.42.Final
maven org.jboss.netty:netty (Maven)
< 4.0.0
None

Description

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.

References

Published by the National Vulnerability Database Sep 26, 2019
Reviewed Sep 30, 2019
Published to the GitHub Advisory Database Oct 11, 2019
Last updated May 21, 2024

Severity

High
7.5
/ 10

CVSS base metrics

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

Weaknesses

CVE ID

CVE-2019-16869

GHSA ID

GHSA-p979-4mfw-53vg

Source code

Credits

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