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July 2015

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Subject:
Security ERRATA Important: thunderbird on SL5.x, SL6.x, SL7.x i386/x86_64
From:
Pat Riehecky <[log in to unmask]>
Reply To:
[log in to unmask]
Date:
Mon, 20 Jul 2015 20:44:03 +0000
Content-Type:
text/plain
Parts/Attachments:
text/plain (59 lines) 
Synopsis:          Important: thunderbird security update
Advisory ID:       SLSA-2015:1455-1
Issue Date:        2015-07-20
CVE Numbers:       CVE-2015-2724
                   CVE-2015-2725
                   CVE-2015-2731
                   CVE-2015-2734
                   CVE-2015-2735
                   CVE-2015-2736
                   CVE-2015-2737
                   CVE-2015-2738
                   CVE-2015-2739
                   CVE-2015-2740
                   CVE-2015-2741
--

Several flaws were found in the processing of malformed web content. A web
page containing malicious content could cause Thunderbird to crash or,
potentially, execute arbitrary code with the privileges of the user
running Thunderbird. (CVE-2015-2724, CVE-2015-2725, CVE-2015-2731,
CVE-2015-2734, CVE-2015-2735, CVE-2015-2736, CVE-2015-2737, CVE-2015-2738,
CVE-2015-2739, CVE-2015-2740)

It was found that Thunderbird skipped key-pinning checks when handling an
error that could be overridden by the user (for example an expired
certificate error). This flaw allowed a user to override a pinned
certificate, which is an action the user should not be able to perform.
(CVE-2015-2741)

Note: All of the above issues cannot be exploited by a specially crafted
HTML mail message as JavaScript is disabled by default for mail messages.
They could be exploited another way in Thunderbird, for example, when
viewing the full remote content of an RSS feed.

After installing the update, Thunderbird must be restarted for the changes
to take effect.
--

SL5
  x86_64
    thunderbird-31.8.0-1.el5_11.x86_64.rpm
    thunderbird-debuginfo-31.8.0-1.el5_11.x86_64.rpm
  i386
    thunderbird-31.8.0-1.el5_11.i386.rpm
    thunderbird-debuginfo-31.8.0-1.el5_11.i386.rpm
SL6
  x86_64
    thunderbird-31.8.0-1.el6_6.x86_64.rpm
    thunderbird-debuginfo-31.8.0-1.el6_6.x86_64.rpm
  i386
    thunderbird-31.8.0-1.el6_6.i686.rpm
    thunderbird-debuginfo-31.8.0-1.el6_6.i686.rpm
SL7
  x86_64
    thunderbird-31.8.0-1.el7_1.x86_64.rpm
    thunderbird-debuginfo-31.8.0-1.el7_1.x86_64.rpm

- Scientific Linux Development Team

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