A number of security vulnerabilities have been discovered for Mozilla Thunderbird version 2.0.0.21 (CVE-2009-1302, CVE-2009-1303, CVE-2009-1304, CVE-2009-1305, CVE-2009-1306, CVE-2009-1307, CVE-2009-1308, CVE-2009-1309, CVE-2009-2210, CVE-2009-1392, CVE-2009-1832, CVE-2009-1833, CVE-2009-1838, CVE-2009-1836, CVE-2009-1840, CVE-2009-1841).

This update provides the latest Thunderbird to correct these issues.

Update to upstream version 1.1.17, fixing multiple security flaws:
http://www.mozilla.org/security/known- vulnerabilities/seamonkey11.html#seamonkey1.1.17

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

An updated thunderbird package that fixes several security issues is now available for Red Hat Enterprise Linux 5.

This update has been rated as having moderate security impact by the Red Hat Security Response Team.

Mozilla Thunderbird is a standalone mail and newsgroup client.

Several flaws were found in the processing of malformed HTML mail content. An HTML mail message containing malicious content could cause Thunderbird to crash or, potentially, execute arbitrary code as the user running Thunderbird. (CVE-2009-1392, CVE-2009-1303, CVE-2009-1305, CVE-2009-1833, CVE-2009-1838)

Several flaws were found in the way malformed HTML mail content was processed. An HTML mail message containing malicious content could execute arbitrary JavaScript in the context of the mail message, possibly presenting misleading data to the user, or stealing sensitive information such as login credentials. (CVE-2009-1306, CVE-2009-1307, CVE-2009-1308, CVE-2009-1309)

A flaw was found in the way Thunderbird handled error responses returned from proxy servers. If an attacker is able to conduct a man-in-the-middle attack against a Thunderbird instance that is using a proxy server, they may be able to steal sensitive information from the site Thunderbird is displaying. (CVE-2009-1836)

Note: JavaScript support is disabled by default in Thunderbird. None of the above issues are exploitable unless JavaScript is enabled.

All Thunderbird users should upgrade to this updated package, which resolves these issues. All running instances of Thunderbird must be restarted for the update to take effect.

Updated firefox packages that fix several security issues are now available for Red Hat Enterprise Linux 4 and 5.

This update has been rated as having critical security impact by the Red Hat Security Response Team.

Mozilla Firefox is an open source Web browser. XULRunner provides the XUL Runtime environment for Mozilla Firefox.

Several flaws were found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code as the user running Firefox.
(CVE-2009-1392, CVE-2009-1832, CVE-2009-1833, CVE-2009-1837, CVE-2009-1838, CVE-2009-1841)

Multiple flaws were found in the processing of malformed, local file content. If a user loaded malicious, local content via the file:// URL, it was possible for that content to access other local data.
(CVE-2009-1835, CVE-2009-1839)

A script, privilege elevation flaw was found in the way Firefox loaded XML User Interface Language (XUL) scripts. Firefox and certain add-ons could load malicious content when certain policy checks did not happen. (CVE-2009-1840)

A flaw was found in the way Firefox displayed certain Unicode characters in International Domain Names (IDN). If an IDN contained invalid characters, they may have been displayed as spaces, making it appear to the user that they were visiting a trusted site.
(CVE-2009-1834)

A flaw was found in the way Firefox handled error responses returned from proxy servers. If an attacker is able to conduct a man-in-the-middle attack against a Firefox instance that is using a proxy server, they may be able to steal sensitive information from the site the user is visiting. (CVE-2009-1836)

For technical details regarding these flaws, refer to the Mozilla security advisories for Firefox 3.0.11. You can find a link to the Mozilla advisories in the References section of this errata.

All Firefox users should upgrade to these updated packages, which contain Firefox version 3.0.11, which corrects these issues. After installing the update, Firefox must be restarted for the changes to take effect.

Update to new upstream Firefox version 3.0.11, fixing multiple security issues detailed in the upstream advisories:
http://www.mozilla.org/security/known- vulnerabilities/firefox30.html#firefox3.0.11 Update also includes all packages depending on gecko-libs rebuild against new version of Firefox / XULRunner.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Several remote vulnerabilities have been discovered in Xulrunner, a runtime environment for XUL applications, such as the Iceweasel web browser. The Common Vulnerabilities and Exposures project identifies the following problems :

  - CVE-2009-1392     Several issues in the browser engine have been     discovered, which can result in the execution of     arbitrary code. (MFSA 2009-24)

  - CVE-2009-1832     It is possible to execute arbitrary code via vectors     involving 'double frame construction.' (MFSA 2009-24)

  - CVE-2009-1833     Jesse Ruderman and Adam Hauner discovered a problem in     the JavaScript engine, which could lead to the execution     of arbitrary code. (MFSA 2009-24)

  - CVE-2009-1834     Pavel Cvrcek discovered a potential issue leading to a     spoofing attack on the location bar related to certain     invalid unicode characters. (MFSA 2009-25)

  - CVE-2009-1835     Gregory Fleischer discovered that it is possible to read     arbitrary cookies via a crafted HTML document. (MFSA     2009-26)

  - CVE-2009-1836     Shuo Chen, Ziqing Mao, Yi-Min Wang and Ming Zhang     reported a potential man-in-the-middle attack, when     using a proxy due to insufficient checks on a certain     proxy response. (MFSA 2009-27)

  - CVE-2009-1837     Jakob Balle and Carsten Eiram reported a race condition     in the NPObjWrapper_NewResolve function that can be used     to execute arbitrary code. (MFSA 2009-28)

  - CVE-2009-1838     moz_bug_r_a4 discovered that it is possible to execute     arbitrary JavaScript with chrome privileges due to an     error in the garbage-collection implementation. (MFSA     2009-29)

  - CVE-2009-1839     Adam Barth and Collin Jackson reported a potential     privilege escalation when loading a file::resource via     the location bar. (MFSA 2009-30)

  - CVE-2009-1840     Wladimir Palant discovered that it is possible to bypass     access restrictions due to a lack of content policy     check, when loading a script file into a XUL document.
    (MFSA 2009-31)

  - CVE-2009-1841     moz_bug_r_a4 reported that it is possible for scripts     from page content to run with elevated privileges and     thus potentially executing arbitrary code with the     object's chrome privileges. (MFSA 2009-32)

seamonkey was updated to version 1.1.18, fixing various security issues :

MFSA 2009-43 / CVE-2009-2404 Moxie Marlinspike reported a heap overflow vulnerability in the code that handles regular expressions in certificate names. This vulnerability could be used to compromise the browser and run arbitrary code by presenting a specially crafted certificate to the client. This code provided compatibility with the non-standard regular expression syntax historically supported by Netscape clients and servers. With version 3.5 Firefox switched to the more limited industry-standard wildcard syntax instead and is not vulnerable to this flaw. 

MFSA 2009-42 / CVE-2009-2408: IOActive security researcher Dan Kaminsky reported a mismatch in the treatment of domain names in SSL certificates between SSL clients and the Certificate Authorities (CA) which issue server certificates. In particular, if a malicious person requested a certificate for a host name with an invalid null character in it most CAs would issue the certificate if the requester owned the domain specified after the null, while most SSL clients (browsers) ignored that part of the name and used the unvalidated part in front of the null. This made it possible for attackers to obtain certificates that would function for any site they wished to target.
These certificates could be used to intercept and potentially alter encrypted communication between the client and a server such as sensitive bank account transactions. This vulnerability was independently reported to us by researcher Moxie Marlinspike who also noted that since Firefox relies on SSL to protect the integrity of security updates this attack could be used to serve malicious updates.
Mozilla would like to thank Dan and the Microsoft Vulnerability Research team for coordinating a multiple-vendor response to this problem.

The update also contains the fixes from the skipped 1.1.17 security update: MFSA 2009-17/CVE-2009-1307: Same-origin violations when Adobe Flash loaded via view-source: scheme 

MFSA 2009-21/CVE-2009-1311:POST data sent to wrong site when saving web page with embedded frame 

MFSA 2009-24/CVE-2009-1392/CVE-2009-1832/CVE-2009-1833: Crashes with evidence of memory corruption (rv:1.9.0.11) 

MFSA 2009-26/CVE-2009-1835: Arbitrary domain cookie access by local file: resources 

MFSA 2009-27/CVE-2009-1836: SSL tampering via non-200 responses to proxy CONNECT requests 

MFSA 2009-29/CVE-2009-1838: Arbitrary code execution using event listeners attached to an element whose owner document is null 

MFSA 2009-32/CVE-2009-1841: JavaScript chrome privilege escalation MFSA 2009-33/CVE-2009-2210: Crash viewing multipart/alternative message with text/enhanced part

New seamonkey packages are available for Slackware 11.0, 12.0, 12.1, 12.2, and -current to fix security issues.

ID	Name	Product	Family	Published	Updated	Severity
39581	Mandriva Linux Security Advisory : mozilla-thunderbird (MDVSA-2009:141)	Nessus	Mandriva Local Security Checks	6/28/2009	1/6/2021	high
39846	Fedora 11 : seamonkey-1.1.17-1.fc11 (2009-7614)	Nessus	Fedora Local Security Checks	7/17/2009	1/11/2021	high
43762	CentOS 5 : thunderbird (CESA-2009:1126)	Nessus	CentOS Local Security Checks	1/6/2010	1/4/2021	high
39369	RHEL 4 / 5 : firefox (RHSA-2009:1095)	Nessus	Red Hat Local Security Checks	6/12/2009	1/14/2021	high
39406	Fedora 9 : Miro-2.0.3-5.fc9 / blam-1.8.5-10.fc9.1 / chmsee-1.0.1-13.fc9 / devhelp-0.19.1-13.fc9 / etc (2009-6411)	Nessus	Fedora Local Security Checks	6/16/2009	1/11/2021	high
39452	Debian DSA-1820-1 : xulrunner - several vulnerabilities	Nessus	Debian Local Security Checks	6/19/2009	1/4/2021	high
42202	openSUSE Security Update : seamonkey (seamonkey-1364)	Nessus	SuSE Local Security Checks	10/22/2009	1/14/2021	high
42327	openSUSE 10 Security Update : seamonkey (seamonkey-6538)	Nessus	SuSE Local Security Checks	10/30/2009	1/14/2021	high
43755	CentOS 5 : firefox (CESA-2009:1095)	Nessus	CentOS Local Security Checks	1/6/2010	1/4/2021	high
39522	Slackware 11.0 / 12.0 / 12.1 / 12.2 / current : seamonkey (SSA:2009-176-01)	Nessus	Slackware Local Security Checks	6/26/2009	1/14/2021	high

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