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HistoryFeb 27, 2007 - 12:00 a.m.

Mozilla Foundation Security Advisory 2007-01

2007-02-2700:00:00
vulners.com
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Mozilla Foundation Security Advisory 2007-01
Title: Crashes with evidence of memory corruption (rv:1.8.0.10/1.8.1.2)
Impact: Critical
Announced: February 23, 2007
Reporter: Mozilla developers and community
Products: Firefox, Thunderbird, SeaMonkey

Fixed in: Firefox 2.0.0.2
Firefox 1.5.0.10
Thunderbird 1.5.0.10
SeaMonkey 1.0.8
Description
As part of the Firefox 2.0.0.2 and 1.5.0.10 update releases we fixed several bugs to improve the stability of the product. Some of these were crashes that showed evidence of memory corruption and we presume that with enough effort at least some of these could be exploited to run arbitrary code.

Note: Thunderbird shares the browser engine with Firefox and could be vulnerable if JavaScript were to be enabled in mail. This is not the default setting and we strongly discourage users from running JavaScript in mail. Without further investigation we cannot rule out the possibility that for some of these an attacker might be able to prepare memory for exploitation through some means other than JavaScript, such as large images.
Workaround
Upgrade to the fixed versions. Do not enable JavaScript in Thunderbird or the mail portions of SeaMonkey.
References
Jesse Ruderman, Martijn Wargers and Olli Pettay reported crashes in the layout engine

CVE-2007-0775
https://bugzilla.mozilla.org/show_bug.cgi?id=326864
https://bugzilla.mozilla.org/show_bug.cgi?id=344228
https://bugzilla.mozilla.org/show_bug.cgi?id=359371
https://bugzilla.mozilla.org/show_bug.cgi?id=367243
https://bugzilla.mozilla.org/show_bug.cgi?id=369413
https://bugzilla.mozilla.org/show_bug.cgi?id=337716
https://bugzilla.mozilla.org/show_bug.cgi?id=343293
https://bugzilla.mozilla.org/show_bug.cgi?id=362724
https://bugzilla.mozilla.org/show_bug.cgi?id=363813

Tom Ferris reported a heap buffer overflow in SVG involving wide stroke widths. This flaw was introduced in Firefox 2 and does not affect earlier releases.

CVE-2007-0776
https://bugzilla.mozilla.org/show_bug.cgi?id=360645

Brian Crowder, Igor Bukanov, Johnny Stenback, moz_bug_r_a4 and shutdown reported potential memory corruption in the JavaScript engine

CVE-2007-0777
https://bugzilla.mozilla.org/show_bug.cgi?id=368534
https://bugzilla.mozilla.org/show_bug.cgi?id=362909
https://bugzilla.mozilla.org/show_bug.cgi?id=365527
https://bugzilla.mozilla.org/show_bug.cgi?id=365692
https://bugzilla.mozilla.org/show_bug.cgi?id=366601
https://bugzilla.mozilla.org/show_bug.cgi?id=364657
https://bugzilla.mozilla.org/show_bug.cgi?id=367118
https://bugzilla.mozilla.org/show_bug.cgi?id=367119
https://bugzilla.mozilla.org/show_bug.cgi?id=367120
https://bugzilla.mozilla.org/show_bug.cgi?id=367501
https://bugzilla.mozilla.org/show_bug.cgi?id=362872
https://bugzilla.mozilla.org/show_bug.cgi?id=364023
https://bugzilla.mozilla.org/show_bug.cgi?id=366122
https://bugzilla.mozilla.org/show_bug.cgi?id=366123