CVE-2019-20372

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 v3.0 5.3 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.3^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:N/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/kubernetes/ingress-nginx/pull/4859	Patch 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
http://nginx.org/en/CHANGES	Mitigation Release Notes Vendor Advisory
https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94e	Patch Vendor Advisory
https://usn.ubuntu.com/4235-1/	Third Party Advisory
https://usn.ubuntu.com/4235-2/
https://security.netapp.com/advisory/ntap-20200127-0003/
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.html
https://support.apple.com/kb/HT212818
http://seclists.org/fulldisclosure/2021/Sep/36

Configurations

Configuration 1 (hide)

cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*

Information

Published : 2020-01-09 21:15

Updated : 2022-02-22 19:27

NVD link : CVE-2019-20372

Mitre link : CVE-2019-20372

JSON object : View

Products Affected

f5

nginx

CWE

CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

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