Apache Http Server vulnerabilities

CVE-2022-26377 [HIGH] CWE-444 CVE-2022-26377: Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_a Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This issue affects Apache HTTP Server Apache HTTP Server 2.4 version 2.4.53 and prior versions.

CVE-2022-30556 [HIGH] CWE-200 CVE-2022-30556: Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that poi Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point past the end of the storage allocated for the buffer.

CVE-2022-28614 [MEDIUM] CWE-190 CVE-2022-28614: The ap_rwrite() function in Apache HTTP Server 2.4.53 and earlier may read unintended memory if an a The ap_rwrite() function in Apache HTTP Server 2.4.53 and earlier may read unintended memory if an attacker can cause the server to reflect very large input using ap_rwrite() or ap_rputs(), such as with mod_luas r:puts() function. Modules compiled and distributed separately from Apache HTTP Server that use the 'ap_rputs' function and may pass it a v

CVE-2022-28330 [MEDIUM] CWE-125 CVE-2022-28330: Apache HTTP Server 2.4.53 and earlier on Windows may read beyond bounds when configured to process r Apache HTTP Server 2.4.53 and earlier on Windows may read beyond bounds when configured to process requests with the mod_isapi module.

CVE-2022-22721 [CRITICAL] CWE-190 CVE-2022-22721: If LimitXMLRequestBody is set to allow request bodies larger than 350MB (defaults to 1M) on 32 bit s If LimitXMLRequestBody is set to allow request bodies larger than 350MB (defaults to 1M) on 32 bit systems an integer overflow happens which later causes out of bounds writes. This issue affects Apache HTTP Server 2.4.52 and earlier.

CVE-2022-22720 [CRITICAL] CWE-444 CVE-2022-22720: Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered discarding the request body, exposing the server to HTTP Request Smuggling

CVE-2022-23943 [CRITICAL] CWE-190 CVE-2022-23943: Out-of-bounds Write vulnerability in mod_sed of Apache HTTP Server allows an attacker to overwrite h Out-of-bounds Write vulnerability in mod_sed of Apache HTTP Server allows an attacker to overwrite heap memory with possibly attacker provided data. This issue affects Apache HTTP Server 2.4 version 2.4.52 and prior versions.

CVE-2022-22719 [HIGH] CWE-665 CVE-2022-22719: A carefully crafted request body can cause a read to a random memory area which could cause the proc A carefully crafted request body can cause a read to a random memory area which could cause the process to crash. This issue affects Apache HTTP Server 2.4.52 and earlier.

CVE-2021-44790 [CRITICAL] CWE-787 CVE-2021-44790: A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:pars A carefully crafted request body can cause a buffer overflow in the mod_lua 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 [HIGH] CWE-476 CVE-2021-44224: A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL 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). This issue affects Apache HTTP Server 2.4.7 up to

CVE-2021-42013 [CRITICAL] CVE-2021-42013: It was found that the fix for CVE-2021-41773 in Apache HTTP Server 2.4.50 was insufficient. An attac It was found that the fix for CVE-2021-41773 in Apache HTTP Server 2.4.50 was insufficient. An attacker could use a path traversal attack to map URLs to files outside the directories configured by Alias-like directives. If files outside of these directories are not protected by the usual default configuration "require all denied", these requests can succe

CVE-2021-41773 [CRITICAL] CWE-22 CVE-2021-41773: A flaw was found in a change made to path normalization in Apache HTTP Server 2.4.49. An attacker co A flaw was found in a change made to path normalization in Apache HTTP Server 2.4.49. An attacker could use a path traversal attack to map URLs to files outside the directories configured by Alias-like directives. If files outside of these directories are not protected by the usual default configuration "require all denied", these requests can succ

CVE-2021-41524 [HIGH] CWE-476 CVE-2021-41524: While fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request pr While fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request processing, allowing an external source to DoS the server. This requires a specially crafted request. The vulnerability was recently introduced in version 2.4.49. No exploit is known to the project.

CVE-2021-40438 [CRITICAL] CWE-918 CVE-2021-40438: A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.

CVE-2021-39275 [CRITICAL] CWE-787 CVE-2021-39275: ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modu ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier.

CVE-2021-34798 [HIGH] CWE-476 CVE-2021-34798: Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTT Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier.

CVE-2021-36160 [HIGH] CWE-125 CVE-2021-36160: A carefully crafted request uri-path can cause mod_proxy_uwsgi to read above the allocated memory an A carefully crafted request uri-path can cause mod_proxy_uwsgi to read above the allocated memory and crash (DoS). This issue affects Apache HTTP Server versions 2.4.30 to 2.4.48 (inclusive).

CVE-2021-33193 [HIGH] CVE-2021-33193: A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48.

CVE-2021-31618 [HIGH] CWE-476 CVE-2021-31618: Apache HTTP Server protocol handler for the HTTP/2 protocol checks received request headers against Apache HTTP Server protocol handler for the HTTP/2 protocol checks received request headers against the size limitations as configured for the server and used for the HTTP/1 protocol as well. On violation of these restrictions and HTTP response is sent to the client with a status code indicating why the request was rejected. This rejection response was

CVE-2021-26691 [CRITICAL] CWE-122 CVE-2021-26691: In Apache HTTP Server versions 2.4.0 to 2.4.46 a specially crafted SessionHeader sent by an origin s In Apache HTTP Server versions 2.4.0 to 2.4.46 a specially crafted SessionHeader sent by an origin server could cause a heap overflow