Test Kennung:	1.3.6.1.4.1.25623.1.0.117615
Kategorie:	Web Servers
Titel:	Apache HTTP Server 2.4.17 < 2.4.49 'mod_proxy' HTTP/2 Request Smuggling Vulnerability - Linux
Zusammenfassung:	Apache HTTP Server is prone to an HTTP/2 request smuggling; vulnerability in the 'mod_proxy' module.
Beschreibung:	Summary: Apache HTTP Server is prone to an HTTP/2 request smuggling vulnerability in the 'mod_proxy' module. Vulnerability Insight: Apache's mod_proxy allows spaces in the :method of HTTP/2 requests, enabling request line injection. If the back-end server tolerates trailing junk in the request line, this lets an attacker to bypass block rules. Affected Software/OS: Apache HTTP Server version 2.4.17 through 2.4.48 running the mod_proxy module together with an enabled HTTP/2 protocol. Solution: Update to version 2.4.49 or later. CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2021-33193 Cisco Security Advisory: 20211124 Multiple Vulnerabilities in Apache HTTP Server Affecting Cisco Products: November 2021 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ https://security.netapp.com/advisory/ntap-20210917-0004/ https://www.tenable.com/security/tns-2021-17 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DSM6UWQICBJ2TU727RENU3HBKEAFLT6T/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EUVJVRJRBW5QVX4OY3NOHZDQ3B3YOTSG/ https://security.gentoo.org/glsa/202208-20 https://github.com/apache/httpd/commit/ecebcc035ccd8d0e2984fe41420d9e944f456b3c.patch https://portswigger.net/research/http2 https://www.oracle.com/security-alerts/cpuapr2022.html https://www.oracle.com/security-alerts/cpujan2022.html https://lists.debian.org/debian-lts-announce/2023/03/msg00002.html https://lists.apache.org/thread.html/ree7519d71415ecdd170ff1889cab552d71758d2ba2904a17ded21a70@%3Ccvs.httpd.apache.org%3E https://lists.apache.org/thread.html/re4162adc051c1a0a79e7a24093f3776373e8733abaff57253fef341d@%3Ccvs.httpd.apache.org%3E
Copyright	Copyright (C) 2021 Greenbone Networks GmbH

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