CVE-2019-16869HTTP Request Smuggling in Netty

Severity
7.5HIGHNVD
EPSS
4.0%
top 11.50%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedSep 26
Latest updateOct 27

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

NVDnetty/netty< 4.1.42
Debiannetty/netty< 1:4.1.33-2+3

Also affects: Debian Linux 10.0, 8.0, 9.0, Ubuntu Linux 18.04

Patches

🔴Vulnerability Details

8
OSV
netty vulnerabilities2020-10-27
OSV
netty-3.9 vulnerabilities2020-10-22
OSV
netty-3.9 vulnerabilities2020-09-22
GHSA
HTTP Request Smuggling in Netty2020-02-21
OSV
HTTP Request Smuggling in Netty2019-10-11

📋Vendor Advisories

5
Ubuntu
Netty vulnerabilities2020-10-22
Ubuntu
Netty vulnerabilities2020-09-22
Red Hat
netty: HTTP Request Smuggling due to Transfer-Encoding whitespace mishandling2020-01-26
Red Hat
netty: HTTP request smuggling by mishandled whitespace before the colon in HTTP headers2019-09-26
Debian
CVE-2019-16869: netty - Netty before 4.1.42.Final mishandles whitespace before the colon in HTTP headers...2019

💬Community

2
Bugzilla
CVE-2020-7238 netty: HTTP Request Smuggling due to Transfer-Encoding whitespace mishandling2020-01-29
Bugzilla
CVE-2019-16869 netty: HTTP request smuggling by mishandled whitespace before the colon in HTTP headers2019-10-04
CVE-2019-16869 — HTTP Request Smuggling in Netty | cvebase