Possible NULL dereference or SSRF in forward proxy configurations in Apache HTTP Server 2.4.51 and earlier

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Apache HTTP Server <= 2.4.51 Buffer Overflow Vulnerability - Windows

Apache HTTP Server is prone to a buffer overflow vulnerability. Copyright C 2021 Greenbone Networks GmbH 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-or-later This program is free softwar...

Apache 2.4.x < 2.4.52 Multiple Vulnerabilities

The version of Apache httpd installed on the remote host is prior to 2.4.52. It is, therefore, affected by multiple vulnerabilities as referenced in the 2.4.52 advisory. - A crafted URI sent to httpd configured as a forward proxy ProxyRequests on can cause a crash NULL pointer dereference or, for...

Apache HTTP Server 2.4.7 - 2.4.51 Multiple Vulnerabilities - Windows

Apache HTTP Server is prone to multiple vulnerabilities. Copyright C 2021 Greenbone Networks GmbH 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-or-later This program is free software; you...

How to detect Apache HTTP Server Exploitation

With recent news of the critical, zero-day vulnerability Apache Log4Shell, we explore how to detect and protect your Apache HTTP servers...

Security Bulletin: Apache HTTP Server as used in IBM QRadar SIEM is vulnerable to server-side request forgery (SSRF) (CVE-2021-40438)

Summary Apache HTTP Server as used in IBM QRadar SIEM is vulnerable to server-side request forgery SSRF CVE-2021-40438 Vulnerability Details CVEID: CVE-2021-40438 DESCRIPTION: Apache HTTP Server is vulnerable to server-side request forgery, caused by an error in modproxy. By sending a specially...

[slackware-security] httpd

New httpd packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix security issues. Here are the details from the Slackware 14.2 ChangeLog: patches/packages/httpd-2.4.52-i586-1slack14.2.txz: Upgraded. SECURITY: CVE-2021-44790: Possible buffer overflow when parsing multipart...

DEBIAN-CVE-2021-44790

A carefully crafted request body can cause a buffer overflow in the modlua multipart parser r:parsebody called from Lua scripts. The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier...

ALPINE-CVE-2021-44224

A crafted URI sent to httpd configured as a forward proxy ProxyRequests on can cause a crash NULL pointer dereference or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint Server Side Request Forgery...

CVE-2021-44224

A crafted URI sent to httpd configured as a forward proxy ProxyRequests on can cause a crash NULL pointer dereference or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint Server Side Request Forgery...

CVE-2021-44224

A crafted URI sent to httpd configured as a forward proxy ProxyRequests on can cause a crash NULL pointer dereference or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint Server Side Request Forgery...

CVE-2021-44790

A carefully crafted request body can cause a buffer overflow in the modlua multipart parser r:parsebody called from Lua scripts. The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier...

DEBIAN-CVE-2021-44224

A crafted URI sent to httpd configured as a forward proxy ProxyRequests on can cause a crash NULL pointer dereference or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint Server Side Request Forgery...

AZL-7044 CVE-2021-44790 affecting package httpd for versions less than 2.4.52-1

A carefully crafted request body can cause a buffer overflow in the modlua multipart parser r:parsebody called from Lua scripts. The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier...

Buffer overflow

A carefully crafted request body can cause a buffer overflow in the modlua multipart parser r:parsebody called from Lua scripts. The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier...

CVE-2021-44224

A crafted URI sent to httpd configured as a forward proxy ProxyRequests on can cause a crash NULL pointer dereference or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint Server Side Request Forgery...

Design/Logic Flaw

A crafted URI sent to httpd configured as a forward proxy ProxyRequests on can cause a crash NULL pointer dereference or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint Server Side Request Forgery...

UBUNTU-CVE-2021-44790

A carefully crafted request body can cause a buffer overflow in the modlua multipart parser r:parsebody called from Lua scripts. The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier...

CVE-2021-44224

A crafted URI sent to httpd configured as a forward proxy ProxyRequests on can cause a crash NULL pointer dereference or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint Server Side Request Forgery...

CVE-2021-44224

CVE-2021-44224 concerns Apache HTTP Server (httpd) with the mod_proxy forward proxy configuration. A crafted URI to a forward proxy (ProxyRequests on) can trigger a NULL pointer dereference, causing a crash. In configurations that mix forward and reverse proxy declarations, it can enable requests...