HTTP Request Smuggling Affecting nginx package, versions <1.10.3-1+deb9u4
Snyk CVSS
Attack Complexity
Low
Threat Intelligence
EPSS
0.28% (68th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN9-NGINX-541342
- published 10 Jan 2020
- disclosed 9 Jan 2020
Introduced: 9 Jan 2020
CVE-2019-20372 Open this link in a new tabHow to fix?
Upgrade Debian:9 nginx to version 1.10.3-1+deb9u4 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream nginx package and not the nginx package as distributed by Debian.
See How to fix? for Debian:9 relevant fixed versions and status.
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.
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20372
- https://security-tracker.debian.org/tracker/CVE-2019-20372
- https://security.netapp.com/advisory/ntap-20200127-0003/
- https://support.apple.com/kb/HT212818
- http://seclists.org/fulldisclosure/2021/Sep/36
- https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94e
- https://github.com/kubernetes/ingress-nginx/pull/4859
- http://nginx.org/en/CHANGES
- https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdf
- https://duo.com/docs/dng-notes#version-1.5.4-january-2020
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.html
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-20372
- https://usn.ubuntu.com/4235-1/
- https://usn.ubuntu.com/4235-2/