Name | CVE-2020-7238 |
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. |
Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
References | DLA-2109-1, DLA-2110-1, DLA-2364-1, DSA-4885-1, ELA-214-1 |
Debian Bugs | 950967 |
Vulnerable and fixed packages
The table below lists information on source packages.
Source Package | Release | Version | Status |
---|
netty (PTS) | jessie, jessie (lts) | 1:3.2.6.Final-2+deb8u2 | fixed |
| stretch (security) | 1:4.1.7-2+deb9u3 | fixed |
| stretch (lts), stretch | 1:4.1.7-2+deb9u4 | fixed |
| buster | 1:4.1.33-1+deb10u2 | fixed |
| buster (security) | 1:4.1.33-1+deb10u4 | fixed |
| bullseye (security), bullseye | 1:4.1.48-4+deb11u2 | fixed |
| bookworm (security), bookworm | 1:4.1.48-7+deb12u1 | fixed |
| sid, trixie | 1:4.1.48-9 | fixed |
netty-3.9 (PTS) | jessie, jessie (lts) | 3.9.0.Final-1+deb8u2 | fixed |
| stretch (security) | 3.9.9.Final-1+deb9u1 | fixed |
| stretch (lts), stretch | 3.9.9.Final-1+deb9u2 | fixed |
The information below is based on the following data on fixed versions.
Notes
[stretch] - netty-3.9 <not-affected> (Incomplete fix for CVE-2019-16869 was not applied)
https://bugzilla.redhat.com/show_bug.cgi?id=1796225
https://github.com/jdordonezn/CVE-2020-72381/issues/1
Issue exists because of incomplete fix for CVE-2019-16869.
https://github.com/netty/netty/issues/9861#issuecomment-582307539 (same fix as CVE-2019-20445)