Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| F5 | Nginx | < 1.17.7 |
| Apple | Xcode | < 13.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Opensuse | Leap | 15.1 |
| Netapp | Cloud Backup | - |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.htmlMailing ListThird Party Advisory
- http://nginx.org/en/CHANGESMitigationRelease NotesVendor Advisory
- http://seclists.org/fulldisclosure/2021/Sep/36Mailing ListThird Party Advisory
- https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggliExploitMitigationThird Party Advisory
- https://duo.com/docs/dng-notes#version-1.5.4-january-2020Release NotesThird Party Advisory
- https://github.com/kubernetes/ingress-nginx/pull/4859PatchThird Party Advisory
- https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94ePatchVendor Advisory
- https://security.netapp.com/advisory/ntap-20200127-0003/Third Party Advisory
- https://support.apple.com/kb/HT212818Third Party Advisory
- https://usn.ubuntu.com/4235-1/Third Party Advisory
- https://usn.ubuntu.com/4235-2/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.htmlMailing ListThird Party Advisory
- http://nginx.org/en/CHANGESMitigationRelease NotesVendor Advisory
- http://seclists.org/fulldisclosure/2021/Sep/36Mailing ListThird Party Advisory
- https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggliExploitMitigationThird Party Advisory
FAQ
What is CVE-2019-20372?
CVE-2019-20372 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 ...
How severe is CVE-2019-20372?
CVE-2019-20372 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-20372?
Check the references section above for vendor advisories and patch information. Affected products include: F5 Nginx, Apple Xcode, Canonical Ubuntu Linux, Opensuse Leap, Netapp Cloud Backup.