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AUSCERT External Security Bulletin Redistribution
ESB-2017.2369
Apache HTTP Server vulnerability
20 September 2017
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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
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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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