CVE-2020-7238 — HTTP Request Smuggling in Netty

CWE-444 — HTTP Request Smuggling13 documents8 sources
Severity
7.5HIGHNVD
EPSS
1.5%
top 18.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
NettyDebian LinuxFedoraproject Fedora+1 more
Timeline
PublishedJan 27
Latest updateOct 27

Description

Netty 4.1.43.Final allows HTTP Request Smuggling because it mishandles Transfer-Encoding whitespace (such as a [space]Transfer-Encoding:chunked line) and a later Content-Length header. This issue exists because of an incomplete fix for CVE-2019-16869.

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

▶Debiannetty/netty< 1:4.1.45-1+3
▶NVDnetty/netty4.1.43

Also affects: Debian Linux 10.0, 8.0, 9.0, Fedora 33

🔴Vulnerability Details

6
OSV
netty vulnerabilities↗2020-10-27
▶
OSV
netty-3.9 vulnerabilities↗2020-10-22
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OSV
HTTP Request Smuggling in Netty↗2020-02-21
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GHSA
HTTP Request Smuggling in Netty↗2020-02-21
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CVEList
CVE-2020-7238: Netty 4↗2020-01-27
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📋Vendor Advisories

3
Ubuntu
Netty vulnerabilities↗2020-10-22
▶
Red Hat
netty: HTTP Request Smuggling due to Transfer-Encoding whitespace mishandling↗2020-01-26
▶
Debian
CVE-2020-7238: netty - Netty 4.1.43.Final allows HTTP Request Smuggling because it mishandles Transfer-...↗2020
▶

💬Community

3
Bugzilla
CVE-2020-7238 netty: HTTP Request Smuggling due to Transfer-Encoding whitespace mishandling [fedora-all]↗2020-01-30
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Bugzilla
CVE-2020-7238 netty: HTTP Request Smuggling due to Transfer-Encoding whitespace mishandling↗2020-01-29
▶
Bugzilla
CVE-2020-7238 netty: HTTP Request Smuggling due to Transfer-Encoding whitespace mishandling [fedora-all]↗2020-01-29
▶
CVE-2020-7238 — HTTP Request Smuggling in Netty | cvebase