c5b8f8a780
Changes with Apache 2.4.53 *) SECURITY: CVE-2022-23943: mod_sed: Read/write beyond bounds (cve.mitre.org) 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. *) SECURITY: CVE-2022-22721: core: Possible buffer overflow with very large or unlimited LimitXMLRequestBody (cve.mitre.org) 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. Credits: Anonymous working with Trend Micro Zero Day Initiative *) SECURITY: CVE-2022-22720: HTTP request smuggling vulnerability in Apache HTTP Server 2.4.52 and earlier (cve.mitre.org) 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 *) SECURITY: CVE-2022-22719: mod_lua Use of uninitialized value of in r:parsebody (cve.mitre.org) 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. *) core: Make sure and check that LimitXMLRequestBody fits in system memory. *) core: Simpler connection close logic if discarding the request body fails. *) mod_http2: preserve the port number given in a HTTP/1.1 request that was Upgraded to HTTP/2. *) mod_proxy: Allow for larger worker name. *) dbm: Split the loading of a dbm driver from the opening of a dbm file. When an attempt to load a dbm driver fails, log clearly which driver triggered the error (not "default"), and what the error was. *) mod_proxy: Use the maxium of front end and backend timeouts instead of the minimum when tunneling requests (websockets, CONNECT requests). Backend timeouts can be configured more selectively (per worker if needed) as front end timeouts and typically the backend timeouts reflect the application requirements better. *) ap_regex: Use Thread Local Storage (TLS) to recycle ap_regexec() buffers when an efficient TLS implementation is available. *) core, mod_info: Add compiled and loaded PCRE versions to version number display. *) mod_md: do not interfere with requests to /.well-known/acme-challenge/ resources if challenge type 'http-01' is not configured for a domain. Fixes <https://github.com/icing/mod_md/issues/279>. *) mod_dav: Fix regression when gathering properties which could lead to huge memory consumption proportional to the number of resources. *) Support pcre2 (10.x) library in place of the now end-of-life pcre (8.x) for regular expression evaluation. This depends on locating pcre2-config. *) Add the ldap function to the expression API, allowing LDAP filters and distinguished names based on expressions to be escaped correctly to guard against LDAP injection. *) mod_md: the status description in MDomain's JSON, exposed in the md-status handler (if configured) did sometimes not carry the correct message when certificates needed renew. *) mpm_event: Fix a possible listener deadlock on heavy load when restarting and/or reaching MaxConnectionsPerChild. |
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