CVE-2019-20372
NGINX HTTP Request Smuggling
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.
INFO
Published Date :
Jan. 9, 2020, 9:15 p.m.
Last Modified :
April 6, 2022, 4:10 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2019-20372 has a 9 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2019-20372
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-20372.
| URL | Resource |
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.html | Mailing List Third Party Advisory |
| http://nginx.org/en/CHANGES | Mitigation Release Notes Vendor Advisory |
| http://seclists.org/fulldisclosure/2021/Sep/36 | Mailing List Third Party Advisory |
| https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdf | Exploit Mitigation Third Party Advisory |
| https://duo.com/docs/dng-notes#version-1.5.4-january-2020 | Release Notes Third Party Advisory |
| https://github.com/kubernetes/ingress-nginx/pull/4859 | Patch Third Party Advisory |
| https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94e | Patch Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20200127-0003/ | Third Party Advisory |
| https://support.apple.com/kb/HT212818 | Third Party Advisory |
| https://usn.ubuntu.com/4235-1/ | Third Party Advisory |
| https://usn.ubuntu.com/4235-2/ | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
An HTTP client specifically developed for security researchers
http proxy smuggling tls
Shell Rust
None
Dockerfile Python C JavaScript
None
Python
nginx http request smugling error_page directive
Python Shell Dockerfile
None
HTML
None
安全类各家文库大乱斗
HTML CSS JavaScript Go Python Shell C
None
HTML
Mode Switcher Framework with Web Server Case Study
security modes resilience mde
Java Xtend GAP
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-20372 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-20372 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Apr. 06, 2022
Action Type Old Value New Value Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.html Mailing List, Third Party Advisory Changed Reference Type http://seclists.org/fulldisclosure/2021/Sep/36 No Types Assigned http://seclists.org/fulldisclosure/2021/Sep/36 Mailing List, Third Party Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20200127-0003/ No Types Assigned https://security.netapp.com/advisory/ntap-20200127-0003/ Third Party Advisory Changed Reference Type https://support.apple.com/kb/HT212818 No Types Assigned https://support.apple.com/kb/HT212818 Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4235-2/ No Types Assigned https://usn.ubuntu.com/4235-2/ Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:* versions up to (excluding) 13.0 Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Feb. 22, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:nginx:nginx:*:*:*:*:*:*:*:* versions from (excluding) 1.17.7 OR *cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:* versions from (excluding) 1.17.7 -
CVE Modified by [email protected]
Sep. 22, 2021
Action Type Old Value New Value Added Reference http://seclists.org/fulldisclosure/2021/Sep/36 [No Types Assigned] -
CVE Modified by [email protected]
Sep. 20, 2021
Action Type Old Value New Value Added Reference https://support.apple.com/kb/HT212818 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 12, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.html [No Types Assigned] -
CVE Modified by [email protected]
Jan. 27, 2020
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20200127-0003/ [No Types Assigned] -
CVE Modified by [email protected]
Jan. 15, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4235-2/ [No Types Assigned] -
Initial Analysis by [email protected]
Jan. 15, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Changed Reference Type http://nginx.org/en/CHANGES No Types Assigned http://nginx.org/en/CHANGES Mitigation, Release Notes, Vendor Advisory Changed Reference Type https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdf No Types Assigned https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdf Exploit, Mitigation, Third Party Advisory Changed Reference Type https://duo.com/docs/dng-notes#version-1.5.4-january-2020 No Types Assigned https://duo.com/docs/dng-notes#version-1.5.4-january-2020 Release Notes, Third Party Advisory Changed Reference Type https://github.com/kubernetes/ingress-nginx/pull/4859 No Types Assigned https://github.com/kubernetes/ingress-nginx/pull/4859 Patch, Third Party Advisory Changed Reference Type https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94e No Types Assigned https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94e Patch, Vendor Advisory Changed Reference Type https://usn.ubuntu.com/4235-1/ No Types Assigned https://usn.ubuntu.com/4235-1/ Third Party Advisory Added CWE NIST CWE-444 Added CPE Configuration OR *cpe:2.3:a:nginx:nginx:*:*:*:*:*:*:*:* versions up to (excluding) 1.17.7 -
CVE Modified by [email protected]
Jan. 13, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4235-1/ [No Types Assigned] -
CVE Modified by [email protected]
Jan. 10, 2020
Action Type Old Value New Value Added Reference https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94e [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-20372 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-20372
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.27 }} -0.00%
score
0.67795
percentile