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.

The remote Redhat Enterprise Linux 8 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - ALPACA: Application Layer Protocol Confusion - Analyzing and Mitigating Cracks in TLS Authentication     (CVE-2021-3618)

  - nginx: Memory corruption in the ngx_http_mp4_module (CVE-2022-41741)

  - nginx: Memory disclosure in the ngx_http_mp4_module (CVE-2022-41742)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

This plugin has been deprecated as it does not adhere to established standards for this style of check.

The version of nginx installed on the remote host is prior to 1.18.0-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2NGINX1-2023-004 advisory.

  - 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. (CVE-2019-20372)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:2817 advisory.

    nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency,     performance, and low memory usage.

    Security Fix(es):

    * nginx: HTTP request smuggling via error pages in http/ngx_http_special_response.c (CVE-2019-20372)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2020:5495 advisory.

  - nginx: HTTP request smuggling in configurations with URL redirect used as error_page (CVE-2019-20372)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:5495 advisory.

    nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency,     performance, and low memory usage.

    Security Fix(es):

    * nginx: HTTP request smuggling in configurations with URL redirect used as error_page (CVE-2019-20372)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-5495 advisory.

    [1:1.16.1-1.0.1.1]
    - Remove Red Hat references [Orabug: 29498217]

    [1:1.16.1-1.1]
    - Resolves: #1898952 - CVE 2019-20372 nginx:1.16/nginx: HTTP request smuggling       via error pages in http/ngx_http_special_response.c

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to its self-reported version number, the detected version of nginx is prior to 1.17.7. It is, therefore, affected by an information disclosure vulnerability.

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the version of the nginx package installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - 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.(CVE-2019-20372)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for nginx fixes the following issues :

nginx was updated to 1.16.1 (jsc#ECO-1401)

Added TLS 1.3 support (jsc#SLE-9295, bsc#1150711)

Replaced obsolete GeoIP module with MaxMinDB-based GeoIP2 (jsc#SLE-11184, bsc#1156202)

Started nginx after network is online (bsc#1155690)

CVE-2019-20372: Fixed an HTTP request smuggling with certain error_page configurations which could have allowed unauthorized web page reads (bsc#1160682).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to its Server response header, the installed version of nginx is prior to 1.17.7. It is, therefore, affected by an information disclosure vulnerability.

According to the version of the nginx packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - 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.(CVE-2019-20372)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

An update of the nginx package has been released.

This update for nginx fixes the following issues :

  - CVE-2019-20372: Fixed an HTTP request smuggling with     certain error_page configurations which could have     allowed unauthorized web page reads (bsc#1160682). 

This update was imported from the SUSE:SLE-15-SP1:Update update project.

NGINX Team reports :

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.

This update for nginx fixes the following issues :

CVE-2019-20372: Fixed an HTTP request smuggling with certain error_page configurations which could have allowed unauthorized web page reads (bsc#1160682).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4235-1 advisory.

    Bert JW Regeer and Francisco Oca Gonzalez discovered that nginx incorrectly handled certain error_page     configurations. A remote attacker could possibly use this issue to perform HTTP request smuggling attacks     and access resources contrary to expectations.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
202487	RHEL 8 : nginx (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	critical
196520	RHEL 8 : nginx (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	high
181953	Amazon Linux 2 : nginx (ALASNGINX1-2023-004)	Nessus	Amazon Linux Local Security Checks	medium
170308	RHEL 7 : rh-nginx116-nginx (RHSA-2020:2817)	Nessus	Red Hat Local Security Checks	medium
145800	CentOS 8 : nginx:1.16 (CESA-2020:5495)	Nessus	CentOS Local Security Checks	medium
144415	RHEL 8 : nginx:1.16 (RHSA-2020:5495)	Nessus	Red Hat Local Security Checks	medium
144371	Oracle Linux 8 : nginx:1.16 (ELSA-2020-5495)	Nessus	Oracle Linux Local Security Checks	medium
112601	Nginx < 1.17.7 Information Disclosure	Web App Scanning	Component Vulnerability	medium
137486	EulerOS 2.0 SP2 : nginx (EulerOS-SA-2020-1644)	Nessus	Huawei Local Security Checks	medium
136397	SUSE SLES15 Security Update : nginx (SUSE-SU-2020:1171-1)	Nessus	SuSE Local Security Checks	medium
135542	EulerOS 2.0 SP3 : nginx (EulerOS-SA-2020-1413)	Nessus	Huawei Local Security Checks	medium
134220	nginx < 1.17.7 Information Disclosure	Nessus	Web Servers	medium
134001	EulerOS 2.0 SP8 : nginx (EulerOS-SA-2020-1167)	Nessus	Huawei Local Security Checks	medium
133920	EulerOS 2.0 SP5 : nginx (EulerOS-SA-2020-1119)	Nessus	Huawei Local Security Checks	medium
133808	Photon OS 3.0: Nginx PHSA-2020-3.0-0057	Nessus	PhotonOS Local Security Checks	medium
133689	Photon OS 2.0: Nginx PHSA-2020-2.0-0207	Nessus	PhotonOS Local Security Checks	medium
133684	Photon OS 1.0: Nginx PHSA-2020-1.0-0276	Nessus	PhotonOS Local Security Checks	medium
133644	openSUSE Security Update : nginx (openSUSE-2020-204)	Nessus	SuSE Local Security Checks	medium
133589	FreeBSD : NGINX -- HTTP request smuggling (c1202de8-4b29-11ea-9673-4c72b94353b5)	Nessus	FreeBSD Local Security Checks	medium
133543	SUSE SLES15 Security Update : nginx (SUSE-SU-2020:0348-1)	Nessus	SuSE Local Security Checks	medium
132929	Ubuntu 16.04 LTS / 18.04 LTS : nginx vulnerability (USN-4235-1)	Nessus	Ubuntu Local Security Checks	medium

Detections

Analytics

CVE-2019-20372

medium

Tenable Plugins

critical

high

medium

medium

medium

medium

medium

medium

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medium

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medium

medium