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HTTP Request Smuggling in Netty

Critical severity GitHub Reviewed Published Feb 21, 2020 to the GitHub Advisory Database • Updated Aug 16, 2023

Package

maven io.netty:netty (Maven)

Affected versions

< 4.0.0

Patched versions

None
maven io.netty:netty-codec-http (Maven)
>= 4.0.0, < 4.1.44
4.1.44
maven org.jboss.netty:netty (Maven)
< 4.0.0
None

Description

HttpObjectDecoder.java in Netty before 4.1.44 allows an HTTP header that lacks a colon, which might be interpreted as a separate header with an incorrect syntax, or might be interpreted as an "invalid fold."

References

Published by the National Vulnerability Database Jan 29, 2020
Reviewed Feb 20, 2020
Published to the GitHub Advisory Database Feb 21, 2020
Last updated Aug 16, 2023

Severity

Critical
9.1
/ 10

CVSS base metrics

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

Weaknesses

CVE ID

CVE-2019-20444

GHSA ID

GHSA-cqqj-4p63-rrmm

Source code

Credits

Checking history
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