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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: <20fd7520-584c-f14f-be3b-77772854337a@canonical.com>
Subject: [USN-3436-1] Thunderbird vulnerabilities
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==========================================================================
Ubuntu Security Notice USN-3436-1
October 11, 2017
thunderbird vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in Thunderbird.
Software Description:
- thunderbird: Mozilla Open Source mail and newsgroup client
Details:
Multiple security issues were discovered in Thunderbird. If a user were
tricked in to opening a specially crafted website in a browsing-like
context, an attacker could potentially exploit these to read uninitialized
memory, bypass phishing and malware protection, conduct cross-site
scripting (XSS) attacks, cause a denial of service via application crash,
or execute arbitrary code. (CVE-2017-7793, CVE-2017-7810, CVE-2017-7814,
CVE-2017-7818, CVE-2017-7819, CVE-2017-7823, CVE-2017-7824)
Martin Thomson discovered that NSS incorrectly generated handshake hashes.
A remote attacker could potentially exploit this to cause a denial of
service via application crash, or execute arbitrary code. (CVE-2017-7805)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 17.04:
thunderbird 1:52.4.0+build1-0ubuntu0.17.04.2
Ubuntu 16.04 LTS:
thunderbird 1:52.4.0+build1-0ubuntu0.16.04.2
Ubuntu 14.04 LTS:
thunderbird 1:52.4.0+build1-0ubuntu0.14.04.2
After a standard system update you need to restart Thunderbird to make
all the necessary changes.
References:
https://www.ubuntu.com/usn/usn-3436-1
CVE-2017-7793, CVE-2017-7805, CVE-2017-7810, CVE-2017-7814,
CVE-2017-7818, CVE-2017-7819, CVE-2017-7823, CVE-2017-7824
Package Information:
https://launchpad.net/ubuntu/+source/thunderbird/1:52.4.0+build1-0ubuntu0.17.04.2
https://launchpad.net/ubuntu/+source/thunderbird/1:52.4.0+build1-0ubuntu0.16.04.2
https://launchpad.net/ubuntu/+source/thunderbird/1:52.4.0+build1-0ubuntu0.14.04.2
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