Some mod_proxy configurations on Apache HTTP Server versions 2.4.0 through 2.4.55 allow for an HTTP request smuggling attack. Configurations are affected when mod_proxy is enabled along with some form of RewriteRule or ProxyPassMatch in which a non-specific pattern matches some portion of the user-supplied request-target (URL) data and is then re-inserted into the proxied request-target using variable substitution.
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Gentoo Linux Security Advisory 202309-1 - Multiple vulnerabilities have been discovered in Apache HTTPD, the worst of which could result in denial of service. Versions greater than or equal to 2.4.56 are affected.
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Red Hat Security Advisory 2023-3354-01 - Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products, and is packaged under Red Hat JBoss Core Services to allow for faster distribution of updates, and for a more consistent update experience. This release of Red Hat JBoss Core Services Apache HTTP Server 2.4.51 Service Pack 2 serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.51 Service Pack 1, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Issues addressed include bypass, denial of service, double free, out of bounds read, out of bounds write, and use-after-free vulnerabilities.
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Red Hat Security Advisory 2023-3355-01 - Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products, and is packaged under Red Hat JBoss Core Services to allow for faster distribution of updates, and for a more consistent update experience. This release of Red Hat JBoss Core Services Apache HTTP Server 2.4.51 Service Pack 2 serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.51 Service Pack 1, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Issues addressed include bypass, denial of service, double free, out of bounds read, out of bounds write, and use-after-free vulnerabilities.
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Red Hat Security Advisory 2023-3292-01 - The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.
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Red Hat Security Advisory 2023-1916-01 - The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.
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Red Hat Security Advisory 2023-1672-01 - The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.
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Red Hat Security Advisory 2023-1673-01 - The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.
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Red Hat Security Advisory 2023-1670-01 - The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.
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Red Hat Security Advisory 2023-1597-01 - The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.
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Red Hat Security Advisory 2023-1593-01 - The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.
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Red Hat Security Advisory 2023-1596-01 - The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.
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Red Hat Security Advisory 2023-1547-01 - The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.
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Ubuntu Security Notice 5942-2 - USN-5942-1 fixed vulnerabilities in Apache HTTP Server. This update provides the corresponding update for CVE-2023-25690 for Ubuntu 16.04 ESM. Lars Krapf discovered that the Apache HTTP Server mod_proxy module incorrectly handled certain configurations. A remote attacker could possibly use this issue to perform an HTTP Request Smuggling attack.
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Debian Linux Security Advisory 5376-1 - Multiple vulnerabilities have been discovered in the Apache HTTP server, which may result in HTTP response splitting or denial of service.
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Ubuntu Security Notice 5942-1 - Lars Krapf discovered that the Apache HTTP Server mod_proxy module incorrectly handled certain configurations. A remote attacker could possibly use this issue to perform an HTTP Request Smuggling attack. Dimas Fariski Setyawan Putra discovered that the Apache HTTP Server mod_proxy_uwsgi module incorrectly handled certain special characters. A remote attacker could possibly use this issue to perform an HTTP Request Smuggling attack. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 22.10.
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