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...

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

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...

CVE-2021-44224 Possible NULL dereference or SSRF in forward proxy configurations in Apache HTTP Server 2.4.51 and earlier

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-2021-44224

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...

PT-2021-5542

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions 2.4.51 and earlier Description A carefully crafted request body can cause a buffer overflow in the mod lua multipart parser, specifically when the r:parsebody function is called from Lua scripts. The Apache httpd te...

KLA12400 Multiple vulnerabilities in Apache HTTP Server

Multiple vulnerabilities were found in Apache HTTP Server. Malicious users can exploit these vulnerabilities to cause denial of service, bypass security restrictions. Below is a complete list of vulnerabilities: 1. NULL pointer dereference or server side request forgery SSRF vulnerability can be...

Apache HTTP Server 缓冲区错误漏洞

Apache HTTP Server is the United States Apache Apache Foundation of an open source web server . The server is fast, reliable and can be expanded through a simple API. A buffer overflow vulnerability exists in Apache HTTP Server that stems from the product's r:parsebody failing to properly determi...

CVE-2021-44790 Possible buffer overflow when parsing multipart content in mod_lua of Apache HTTP Server 2.4.51 and earlier

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-2021-44790

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...

Apache httpd -- Multiple vulnerabilities

The Apache httpd project reports: moderate: Possible NULL dereference or SSRF in forward proxy configurations in 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...

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-2021-44790

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...

Oracle Linux 7 : httpd (ELSA-2021-9619)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9619 advisory. - scoreboard: fix null pointer deference Orabug: 33561206CVE-2021-34798 Tenable has extracted the preceding description block directly from the Oracle...

Cisco Releases Security Advisory for Multiple Products Affected by Apache HTTP Server Vulnerabilities

Cisco has released a security advisory to address Cisco products affected by multiple vulnerabilities in Apache HTTP Server 2.4.48 and earlier releases. An unauthenticated remote attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and...

Why Everyone Needs to Take the Latest CISA Directive Seriously

Government agencies publish notices and directives all the time. Usually, these are only relevant to government departments, which means that nobody else really pays attention. It's easy to see why you would assume that a directive from CISA just doesn't relate to your organization. But, in the...

Active Exploitation of Apache HTTP Server CVE-2021-40438

CVE | Vendor Advisory | AttackerKB | IVM Content | Patching Urgency | Last Update ---|---|---|---|---|--- CVE-2021-40438 | Apache Advisory | AttackerKB | 09/16/2021 multiple | ASAP | December 1, 2021 14:00 ET On September 16, 2021, Apache released version 2.4.49 of HTTP Server, which included a f...

Multiple Vulnerabilities in Apache HTTP Server Affecting Cisco Products: November 2021

On September 16, 2021, the Apache Software Foundation disclosed five vulnerabilities affecting the Apache HTTP Server httpd 2.4.48 and earlier releases. For a description of these vulnerabilities, see the Apache HTTP Server 2.4.49 section...