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Ubuntu Security Notice USN-3038-1
July 18, 2016
apache2 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 16.04 LTS
– Ubuntu 15.10
– Ubuntu 14.04 LTS
– Ubuntu 12.04 LTS
Summary:
A security issue was fixed in the Apache HTTP Server.
Software Description:
– apache2: Apache HTTP server
Details:
It was discovered that the Apache HTTP Server would set the HTTP_PROXY
environment variable based on the contents of the Proxy header from HTTP
requests. A remote attacker could possibly use this issue in combination
with CGI scripts that honour the HTTP_PROXY variable to redirect outgoing
HTTP requests.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.04 LTS:
apache2-bin 2.4.18-2ubuntu3.1
Ubuntu 15.10:
apache2-bin 2.4.12-2ubuntu2.1
Ubuntu 14.04 LTS:
apache2.2-bin 2.4.7-1ubuntu4.13
Ubuntu 12.04 LTS:
apache2.2-bin 2.2.22-1ubuntu1.11
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-3038-1
CVE-2016-5387
Package Information:
https://launchpad.net/ubuntu/+source/apache2/2.4.18-2ubuntu3.1
https://launchpad.net/ubuntu/+source/apache2/2.4.12-2ubuntu2.1
https://launchpad.net/ubuntu/+source/apache2/2.4.7-1ubuntu4.13
https://launchpad.net/ubuntu/+source/apache2/2.2.22-1ubuntu1.11
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