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Sicherheit: Cross-Site Scripting in Mozilla Firefox
Aktuelle Meldungen Distributionen
Name: Cross-Site Scripting in Mozilla Firefox
ID: USN-2893-1
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 LTS, Ubuntu 14.04 LTS, Ubuntu 15.10
Datum: Do, 11. Februar 2016, 23:06
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1949

Originalnachricht

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==========================================================================
Ubuntu Security Notice USN-2893-1
February 11, 2016

firefox vulnerability
==========================================================================

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

- Ubuntu 15.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

A same-origin-policy bypass was discovered in Firefox.

Software Description:
- firefox: Mozilla Open Source web browser

Details:

Jason Pang discovered that service workers intercept responses to plugin
network requests made through the browser. An attacker could potentially
exploit this to bypass same origin restrictions using the Flash plugin.
(CVE-2016-1949)

Update instructions:

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

Ubuntu 15.10:
firefox 44.0.2+build1-0ubuntu0.15.10.1

Ubuntu 14.04 LTS:
firefox 44.0.2+build1-0ubuntu0.14.04.1

Ubuntu 12.04 LTS:
firefox 44.0.2+build1-0ubuntu0.12.04.1

After a standard system update you need to restart Firefox to make
all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2893-1
CVE-2016-1949

Package Information:
https://launchpad.net/ubuntu/+source/firefox/44.0.2+build1-0ubuntu0.15.10.1
https://launchpad.net/ubuntu/+source/firefox/44.0.2+build1-0ubuntu0.14.04.1
https://launchpad.net/ubuntu/+source/firefox/44.0.2+build1-0ubuntu0.12.04.1



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