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Sicherheit: Mangelnde Prüfung von Zertifikaten in Mozilla Firefox
Aktuelle Meldungen Distributionen
Name: Mangelnde Prüfung von Zertifikaten in Mozilla Firefox
ID: USN-2557-1
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 LTS, Ubuntu 14.04 LTS, Ubuntu 14.10
Datum: Di, 7. April 2015, 13:27
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0799

Originalnachricht

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==========================================================================
Ubuntu Security Notice USN-2557-1
April 07, 2015

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

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

- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Firefox could be made to bypass SSL certificate verification.

Software Description:
- firefox: Mozilla Open Source web browser

Details:

Muneaki Nishimura discovered a flaw in Mozilla's HTTP Alternative Services
implementation which meant SSL certificate verification could be bypassed
in some circumstances. A remote attacker could potentially exploit this to
conduct a man in the middle attack. (CVE-2015-0799)

Update instructions:

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

Ubuntu 14.10:
firefox 37.0.1+build1-0ubuntu0.14.10.1

Ubuntu 14.04 LTS:
firefox 37.0.1+build1-0ubuntu0.14.04.1

Ubuntu 12.04 LTS:
firefox 37.0.1+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-2557-1
CVE-2015-0799

Package Information:
https://launchpad.net/ubuntu/+source/firefox/37.0.1+build1-0ubuntu0.14.10.1
https://launchpad.net/ubuntu/+source/firefox/37.0.1+build1-0ubuntu0.14.04.1
https://launchpad.net/ubuntu/+source/firefox/37.0.1+build1-0ubuntu0.12.04.1



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