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             AUSCERT External Security Bulletin Redistribution

                     Apache HTTP Server 2.4.6 Released
                               23 July 2013


        AusCERT Security Bulletin Summary

Product:           Apache HTTP Server
Publisher:         The Apache Software Foundation
Operating System:  UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Denial of Service -- Remote/Unauthenticated
                   Reduced Security  -- Unknown/Unspecified   
Resolution:        Patch/Upgrade
CVE Names:         CVE-2013-2249 CVE-2013-1896 

Reference:         ESB-2013.0971

Original Bulletin: 

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              Apache HTTP Server 2.4.6 Released

 The Apache Software Foundation and the Apache HTTP Server Project
 are pleased to announce the release of version 2.4.6 of the Apache
 HTTP Server ("Apache").  This version of Apache is our latest GA
 release of the new generation 2.4.x branch of Apache HTTPD and
 represents fifteen years of innovation by the project, and is
 recommended over all previous releases. This release of Apache is
 principally a security and bug fix release, including the following
 2 security fixes:

  *) SECURITY: CVE-2013-1896 (cve.mitre.org)
     Sending a MERGE request against a URI handled by mod_dav_svn
     with the source href (sent as part of the request body as XML)
     pointing to a URI that is not configured for DAV will trigger a

  *) SECURITY: CVE-2013-2249 (cve.mitre.org)
     mod_session_dbd: Make sure that dirty flag is respected when saving
     sessions, and ensure the session ID is changed each time the session
     changes. This changes the format of the updatesession SQL statement.
     Existing configurations must be changed.

 Also in this release are some exciting new features including:

  *) Major updates to mod_lua
  *) Support for proxying websocket requests
  *) Higher performant shm-based cache implementation
  *) Addition of mod_macro for easier configuration management

 As well as several exciting fixes, especially those related to RFC edge
 cases in mod_cache and mod_proxy.

 NOTE: Apache httpd 2.4.5 was not released.

 We consider this release to be the best version of Apache available, and
 encourage users of all prior versions to upgrade.

 Apache HTTP Server 2.4.6 is available for download from:


 Apache 2.4 offers numerous enhancements, improvements, and performance
 boosts over the 2.2 codebase.  For an overview of new features
 introduced since 2.4 please see:


 Please see the CHANGES_2.4 file, linked from the download page, for a
 full list of changes. A condensed list, CHANGES_2.4.6 includes only
 those changes introduced since the prior 2.4 release.  A summary of all 
 of the security vulnerabilities addressed in this and earlier releases 
 is available:


 This release requires the Apache Portable Runtime (APR) version 1.4.x
 and APR-Util version 1.4.x. The APR libraries must be upgraded for all
 features of httpd to operate correctly.

 This release builds on and extends the Apache 2.2 API.  Modules written
 for Apache 2.2 will need to be recompiled in order to run with Apache
 2.4, and require minimal or no source code changes.


 When upgrading or installing this version of Apache, please bear in mind
 that if you intend to use Apache with one of the threaded MPMs (other
 than the Prefork MPM), you must ensure that any modules you will be
 using (and the libraries they depend on) are thread-safe.

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