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Sicherheit: Zwei Probleme in Apache
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in Apache
ID: USN-1627-1
Distribution: Ubuntu
Plattformen: Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 11.10, Ubuntu 12.04 LTS, Ubuntu 12.10
Datum: Fr, 9. November 2012, 07:11
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2687
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4929
http://httpd.apache.org/docs/2.4/mod/mod_ssl.html#sslcompression
Applikationen: Apache

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==========================================================================
Ubuntu Security Notice USN-1627-1
November 08, 2012

apache2 vulnerabilities
==========================================================================

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

- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 10.04 LTS
- Ubuntu 8.04 LTS

Summary:

Several security issues were fixed in the Apache HTTP server.

Software Description:
- apache2: Apache HTTP server

Details:

It was discovered that the mod_negotiation module incorrectly handled
certain filenames, which could result in browsers becoming vulnerable to
cross-site scripting attacks when processing the output. With cross-site
scripting vulnerabilities, if a user were tricked into viewing server
output during a crafted server request, a remote attacker could exploit
this to modify the contents, or steal confidential data (such as
passwords), within the same domain. (CVE-2012-2687)

It was discovered that the Apache HTTP Server was vulnerable to the
"CRIME"
SSL data compression attack. Although this issue had been mitigated on the
client with newer web browsers, this update also disables SSL data
compression on the server. A new SSLCompression directive for Apache has
been backported that may be used to re-enable SSL data compression in
certain environments. For more information, please refer to:
http://httpd.apache.org/docs/2.4/mod/mod_ssl.html#sslcompression
(CVE-2012-4929)

Update instructions:

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

Ubuntu 12.10:
apache2.2-common 2.2.22-6ubuntu2.1

Ubuntu 12.04 LTS:
apache2.2-common 2.2.22-1ubuntu1.2

Ubuntu 11.10:
apache2.2-common 2.2.20-1ubuntu1.3

Ubuntu 10.04 LTS:
apache2.2-common 2.2.14-5ubuntu8.10

Ubuntu 8.04 LTS:
apache2.2-common 2.2.8-1ubuntu0.24

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

References:
http://www.ubuntu.com/usn/usn-1627-1
CVE-2012-2687, CVE-2012-4929

Package Information:
https://launchpad.net/ubuntu/+source/apache2/2.2.22-6ubuntu2.1
https://launchpad.net/ubuntu/+source/apache2/2.2.22-1ubuntu1.2
https://launchpad.net/ubuntu/+source/apache2/2.2.20-1ubuntu1.3
https://launchpad.net/ubuntu/+source/apache2/2.2.14-5ubuntu8.10
https://launchpad.net/ubuntu/+source/apache2/2.2.8-1ubuntu0.24



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