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  5. CVE-2019-16869

CVE-2019-16869: Inconsistent Interpretation of HTTP Requests (HTTP Request Smuggling)

September 26, 2019 (updated May 14, 2024)

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

References

  • github.com/netty/netty/issues/9571
  • nvd.nist.gov/vuln/detail/CVE-2019-16869

Code Behaviors & Features

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Affected versions

All versions from 4.0.0.Alpha1 up to 4.1.42.Final

Fixed versions

  • 4.1.42.Final

Solution

Upgrade to version 4.1.42.Final or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Learn more about CVSS

Weakness

  • CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

Source file

maven/io.netty/netty-codec-http/CVE-2019-16869.yml

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