CVE-2021-33193

CVE-2021-33193 describes a vulnerability in Apache HTTP Server where a crafted HTTP/2 method can bypass validation and be forwarded by mod_proxy, potentially enabling request splitting or cache poisoning. The issue affects Apache httpd versions 2.4.17 through 2.4.48. Connected advisories and noti...

CVE-2021-33193

A crafted method sent through HTTP/2 will bypass validation and be forwarded by modproxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48...

CVE-2021-33193

A crafted method sent through HTTP/2 will bypass validation and be forwarded by modproxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48...

Privilege Escalation

apache2 is vulnerability to privilege escalation. An attacker may exploit the vulnerability by sending a crafted method through HTTP/2 which will bypass validation and be forwarded by modproxy, which can lead to request splitting or cache poisoning...

CVE-2021-33193

A NULL pointer dereference was found in Apache httpd modh2. The highest threat from this flaw is to system integrity. Mitigation This flaw can be mitigated by disabling HTTP/2. More information available at:...

RHEL 8 : varnish:6 (RHSA-2021:2988)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:2988 advisory. Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and ov...

RHEL 7 : rh-varnish6-varnish (RHSA-2021:2993)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:2993 advisory. Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and ov...

Apache HTTP Server 2.4.17 < 2.4.49 'mod_proxy' HTTP/2 Request Smuggling Vulnerability - Linux

Apache HTTP Server is prone to an HTTP/2 request smuggling vulnerability in the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only if description...

Apache HTTP Server 2.4.17 < 2.4.49 'mod_proxy' HTTP/2 Request Smuggling Vulnerability - Windows

Apache HTTP Server is prone to an HTTP/2 request smuggling vulnerability in the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only if description...

CentOS 8 : varnish:6 (CESA-2021:2988)

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2021:2988 advisory. - varnish: HTTP/2 request smuggling attack via a large Content-Length header for a POST request CVE-2021-36740 Note that Nessus has not tested for this issue bu...

HTTP Request Smuggling in Web Proxies

Overview HTTP web proxies and web accelerators that support HTTP/2 for an HTTP/1.1 backend webserver are vulnerable to HTTP Request Smuggling. Description The affected systems allow invalid characters such as carriage return and newline characters in HTTP/2 headers. When an attacker passes these...

Oracle Linux 8 : varnish:6 (ELSA-2021-2988)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2021-2988 advisory. - Resolves: 1982861 - CVE-2021-36740 varnish:6/varnish: HTTP/2 request smuggling attack via a large Content-Length header for a POST request varnish-modules...

[ASA-202108-1] nodejs: arbitrary code execution

Arch Linux Security Advisory ASA-202108-1 ========================================= Severity: High Date : 2021-08-03 CVE-ID : CVE-2021-22930 Package : nodejs Type : arbitrary code execution Remote : Yes Link : https://security.archlinux.org/AVG-2239 Summary ======= The package nodejs before versi...

varnish:6 security update

varnish 6.0.6-2.1 - Resolves: 1982861 - CVE-2021-36740 varnish:6/varnish: HTTP/2 request smuggling attack via a large Content-Length header for a POST request varnish-modules 0.15.0-5 - Related: 1795673 - RFE: rebase varnish:6 to latest 6.0.x LTS...

[ASA-202108-2] nodejs-lts-fermium: arbitrary code execution

Arch Linux Security Advisory ASA-202108-2 ========================================= Severity: High Date : 2021-08-03 CVE-ID : CVE-2021-22930 Package : nodejs-lts-fermium Type : arbitrary code execution Remote : Yes Link : https://security.archlinux.org/AVG-2240 Summary ======= The package...

[ASA-202108-3] nodejs-lts-erbium: arbitrary code execution

Arch Linux Security Advisory ASA-202108-3 ========================================= Severity: High Date : 2021-08-03 CVE-ID : CVE-2021-22930 Package : nodejs-lts-erbium Type : arbitrary code execution Remote : Yes Link : https://security.archlinux.org/AVG-2241 Summary ======= The package...

Important: Red Hat Security Advisory: varnish:6 security update

An update for the varnish:6 module is now available for Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.1 Extended Update Support, and Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

Important: varnish:6 security update

Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and over again, giving the website a significant speed up. Security Fixes: varnish: HTTP/2 request smuggling attack via a large Content-Length header for ...

varnish:6 security update

An update is available for varnish, varnish-modules. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Varnish Cache is a high-performance HTTP accelerator. It...

RLSA-2021:2988 Important: varnish:6 security update

Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and over again, giving the website a significant speed up. Security Fixes: varnish: HTTP/2 request smuggling attack via a large Content-Length header for ...