Vulnerability Monitor

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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.

Published

2020-01-09T21:15:12.027

Last Modified

2024-11-21T04:38:19.580

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-444

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	f5	nginx	< 1.17.7	Yes
Application	apple	xcode	< 13.0	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	opensuse	leap	15.1	Yes
Application	netapp	cloud_backup	-	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.html Mailing List, Third Party Advisory ([email protected])
http://nginx.org/en/CHANGES Mitigation, Release Notes, Vendor Advisory ([email protected])
http://seclists.org/fulldisclosure/2021/Sep/36 Mailing List, Third Party Advisory ([email protected])
https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdf Exploit, Mitigation, Third Party Advisory ([email protected])
https://duo.com/docs/dng-notes#version-1.5.4-january-2020 Release Notes, Third Party Advisory ([email protected])
https://github.com/kubernetes/ingress-nginx/pull/4859 Patch, Third Party Advisory ([email protected])
https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94e Patch, Vendor Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20200127-0003/ Third Party Advisory ([email protected])
https://support.apple.com/kb/HT212818 Third Party Advisory ([email protected])
https://usn.ubuntu.com/4235-1/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/4235-2/ Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://nginx.org/en/CHANGES Mitigation, Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2021/Sep/36 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdf Exploit, Mitigation, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://duo.com/docs/dng-notes#version-1.5.4-january-2020 Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/kubernetes/ingress-nginx/pull/4859 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94e Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20200127-0003/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT212818 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4235-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4235-2/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)