| Name | CVE-2019-20372 |
| Description | NGINX before 1.17.7, with certain error_page configurations, allows HTTP request smuggling, as demonstrated by the ability of an attacker to read unauthorized web pages in environments where NGINX is being fronted by a load balancer. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | ELA-247-1 |
| Debian Bugs | 948579 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| nginx (PTS) | jessie, jessie (lts) | 1.6.2-5+deb8u10 | fixed |
| stretch (security) | 1.10.3-1+deb9u7 | fixed |
| stretch (lts), stretch | 1.10.3-1+deb9u8 | fixed |
| buster (security), buster, buster (lts) | 1.14.2-2+deb10u5 | fixed |
| bullseye (security), bullseye | 1.18.0-6.1+deb11u3 | fixed |
| bookworm | 1.22.1-9 | fixed |
| sid, trixie | 1.26.0-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| nginx | source | wheezy | (unfixed) | end-of-life | | |
| nginx | source | jessie | 1.6.2-5+deb8u7 | | ELA-247-1 | |
| nginx | source | stretch | 1.10.3-1+deb9u4 | | | |
| nginx | source | buster | 1.14.2-2+deb10u2 | | | |
| nginx | source | (unstable) | 1.16.1-3 | low | | 948579 |
Notes
[jessie] - nginx <no-dsa> (Minor issue)
https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdf
https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94e