Apache Software Foundation poinformowała o wypuszczeniu wersji 2.0.47 popularnego serwera www. Tradycyjnie zachęca do aktualizacji systemów do tej wersji. Zachęta jest tym silniejsza, że wprowadzone poprawki uniemożliwiają kilka znanych ataków DoS. Więcej informacji na temat wprowadzonych zmian znajdziecie poniżej, a samego Apache’a można ściągnąć ze stron projektu.
From firstname.lastname@example.org Wed Jul 9 19:00:55 2003 Date: Wed, 9 Jul 2003 14:01:31 +0200 From: Apache HTTP Server Projectb (email@example.com) To: firstname.lastname@example.org Subject: [ANNOUNCE][SECURITY] Apache 2.0.47 released -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Apache 2.0.47 Released The Apache Software Foundation and the Apache HTTP Server Project are pleased to announce the tenth public release of the Apache 2.0 HTTP Server. This Announcement notes the significant changes in 2.0.47 as compared to 2.0.46. This version of Apache is principally a security and bug fix release. A summary of the bug fixes is given at the end of this document. Of particular note is that 2.0.47 addresses four security vulnerabilities: Certain sequences of per-directory renegotiations and the SSLCipherSuite directive being used to upgrade from a weak ciphersuite to a strong one could result in the weak ciphersuite being used in place of the strong one. [http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0192] Certain errors returned by accept() on rarely accessed ports could cause temporal denial of service, due to a bug in the prefork MPM. [http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0253] Denial of service was caused when target host is IPv6 but ftp proxy server can't create IPv6 socket. [http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0254] The server would crash when going into an infinite loop due to too many subsequent internal redirects and nested subrequests. [VU#379828] The Apache Software Foundation would like to thank Saheed Akhtar and Yoshioka Tsuneo for the responsible reporting of two of these issues. This release is compatible with modules compiled for 2.0.42 and later versions. We consider this release to be the best version of Apache available and encourage users of all prior versions to upgrade. Apache 2.0.47 is available for download from http://httpd.apache.org/download.cgi Please see the CHANGES_2.0 file, linked from the above page, for a full list of changes. Apache 2.0 offers numerous enhancements, improvements, and performance boosts over the 1.3 codebase. For an overview of new features introduced after 1.3 please see http://httpd.apache.org/docs-2.0/new_features_2_0.html When upgrading or installing this version of Apache, please keep in mind the following: If you intend to use Apache with one of the threaded MPMs, you must ensure that the modules (and the libraries they depend on) that you will be using are thread-safe. Please contact the vendors of these modules to obtain this information. Apache 2.0.47 Major changes Security vulnerabilities closed since Apache 2.0.46 *) SECURITY [CAN-2003-0192]: Fixed a bug whereby certain sequences of per-directory renegotiations and the SSLCipherSuite directive being used to upgrade from a weak ciphersuite to a strong one could result in the weak ciphersuite being used in place of the strong one. [Ben Laurie] *) SECURITY [CAN-2003-0253]: Fixed a bug in prefork MPM causing temporary denial of service when accept() on a rarely accessed port returns certain errors. Reported by Saheed Akhtar (S.Akhtar@talis.com). [Jeff Trawick] *) SECURITY [CAN-2003-0254]: Fixed a bug in ftp proxy causing denial of service when target host is IPv6 but proxy server can't create IPv6 socket. Fixed by the reporter. [Yoshioka Tsuneo (email@example.com)] *) SECURITY [VU#379828] Prevent the server from crashing when entering infinite loops. The new LimitInternalRecursion directive configures limits of subsequent internal redirects and nested subrequests, after which the request will be aborted. PR 19753 (and probably others). [William Rowe, Jeff Trawick, André Malo] Bugs fixed and features added since Apache 2.0.46 *) core_output_filter: don't split the brigade after a FLUSH bucket if it's the last bucket. This prevents creating unneccessary empty brigades which may not be destroyed until the end of a keepalive connection. [Juan Rivera (Juan.Rivera@citrix.com)] *) Add support for "streamy" PROPFIND responses. [Ben Collins-Sussman (firstname.lastname@example.org)] *) mod_cgid: Eliminate a double-close of a socket. This resolves various operational problems in a threaded MPM, since on the second attempt to close the socket, the same descriptor was often already in use by another thread for another purpose. [Jeff Trawick] *) mod_negotiation: Introduce "prefer-language" environment variable, which allows to influence the negotiation process on request basis to prefer a certain language. [André Malo] *) Make mod_expires' ExpiresByType work properly, including for dynamically-generated documents. [Ken Coar, Bill Stoddard] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQE/C2DDZjW2wN6IXdMRAm9BAKCBj7KgdN8sLTZpUFu5aVJTjyEJlQCePz3Y QF51aRaqbVdSwZYxalnSC+Y= =2mza -----END PGP SIGNATURE-----
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