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Sicherheit: Mehrere Probleme in Mozilla Thunderbird
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Mozilla Thunderbird
ID: USN-2973-1
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 LTS, Ubuntu 14.04 LTS, Ubuntu 15.10, Ubuntu 16.04 LTS
Datum: Do, 19. Mai 2016, 06:26
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1938
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2807
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2805
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1979
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1978

Originalnachricht

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From: Chris Coulson <chris.coulson@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <8776aa54-7963-23bd-3782-34ec8122005f@canonical.com>
Subject: [USN-2973-1] Thunderbird vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-2973-1
May 19, 2016

thunderbird vulnerabilities
==========================================================================

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:

Several security issues were fixed in Thunderbird.

Software Description:
- thunderbird: Mozilla Open Source mail and newsgroup client

Details:

Christian Holler, Tyson Smith, and Phil Ringalda discovered multiple
memory safety issues in Thunderbird. If a user were tricked in to opening
a specially crafted message, an attacker could potentially exploit these
to cause a denial of service via application crash, or execute arbitrary
code. (CVE-2016-2805, CVE-2016-2807)

Hanno Böck discovered that calculations with mp_div and mp_exptmod in NSS
produce incorrect results in some circumstances, resulting in
cryptographic weaknesses. (CVE-2016-1938)

A use-after-free was discovered in ssl3_HandleECDHServerKeyExchange in
NSS. A remote attacker could potentially exploit this to cause a denial of
service via application crash, or execute arbitrary code. (CVE-2016-1978)

A use-after-free was discovered in PK11_ImportDERPrivateKeyInfoAndReturnKey
in NSS. A remote attacker could potentially exploit this to cause a denial
of service via application crash, or execute arbitrary code.
(CVE-2016-1979)

Update instructions:

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

Ubuntu 16.04 LTS:
thunderbird 1:38.8.0+build1-0ubuntu0.16.04.1

Ubuntu 15.10:
thunderbird 1:38.8.0+build1-0ubuntu0.15.10.1

Ubuntu 14.04 LTS:
thunderbird 1:38.8.0+build1-0ubuntu0.14.04.1

Ubuntu 12.04 LTS:
thunderbird 1:38.8.0+build1-0ubuntu0.12.04.1

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

References:
http://www.ubuntu.com/usn/usn-2973-1
CVE-2016-1938, CVE-2016-1978, CVE-2016-1979, CVE-2016-2805,
CVE-2016-2807

Package Information:
https://launchpad.net/ubuntu/+source/thunderbird/1:38.8.0+build1-0ubuntu0.16.04.1
https://launchpad.net/ubuntu/+source/thunderbird/1:38.8.0+build1-0ubuntu0.15.10.1
https://launchpad.net/ubuntu/+source/thunderbird/1:38.8.0+build1-0ubuntu0.14.04.1
https://launchpad.net/ubuntu/+source/thunderbird/1:38.8.0+build1-0ubuntu0.12.04.1



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