ESB-2017.2369 - ALERT [Win][UNIX/Linux][Ubuntu] apache2-bin: Access privileged data - Remote/unauthenticated 2017-09-20

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2369
                     Apache HTTP Server vulnerability
                             20 September 2017

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           apache2-bin
Publisher:         Ubuntu
Operating System:  Ubuntu
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Access Privileged Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-9798  

Original Bulletin: 
   https://usn.ubuntu.com/usn/usn-3425-1/

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Ubuntu. It is recommended that administrators 
         running apache2-bin check for an updated version of the software for
         their operating system.

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Ubuntu Security Notice USN-3425-1
September 19, 2017

apache2 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- - Ubuntu 17.04
- - Ubuntu 16.04 LTS
- - Ubuntu 14.04 LTS

Summary:

Apache HTTP Server could be made to expose sensitive information over the
network.

Software Description:
- - apache2: Apache HTTP server

Details:

Hanno BA?ck discovered that the Apache HTTP Server incorrectly handled
Limit directives in .htaccess files. In certain configurations, a remote
attacker could possibly use this issue to read arbitrary server memory,
including sensitive information. This issue is known as Optionsbleed.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 17.04:
  apache2-bin                     2.4.25-3ubuntu2.3

Ubuntu 16.04 LTS:
  apache2-bin                     2.4.18-2ubuntu3.5

Ubuntu 14.04 LTS:
  apache2-bin                     2.4.7-1ubuntu4.18

In general, a standard system update will make all the necessary changes.

References:
  https://www.ubuntu.com/usn/usn-3425-1
  CVE-2017-9798

Package Information:
  https://launchpad.net/ubuntu/+source/apache2/2.4.25-3ubuntu2.3
  https://launchpad.net/ubuntu/+source/apache2/2.4.18-2ubuntu3.5
  https://launchpad.net/ubuntu/+source/apache2/2.4.7-1ubuntu4.18

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===========================================================================
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The University of Queensland
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