The Mozilla Firefox browser is updated to version 3.0.6 fixing various security and stability issues.

MFSA 2009-01 / CVE-2009-0352 / CVE-2009-0353: Mozilla developers identified and fixed several stability bugs in the browser engine used in Firefox and other Mozilla-based products. Some of these crashes showed evidence of memory corruption under certain circumstances and we presume that with enough effort at least some of these could be exploited to run arbitrary code.

MFSA 2009-02 / CVE-2009-0354: Mozilla security researcher moz_bug_r_a4 reported that a chrome XBL method can be used in conjuction with window.eval to execute arbitrary JavaScript within the context of another website, violating the same origin policy. Firefox 2 releases are not affected.

MFSA 2009-03 / CVE-2009-0355: Mozilla security researcher moz_bug_r_a4 reported that a form input control's type could be changed during the restoration of a closed tab. An attacker could set an input control's text value to the path of a local file whose location was known to the attacker. If the tab was then closed and the victim persuaded to re-open it, upon restoring the tab the attacker could use this vulnerability to change the input type to file. Scripts in the page could then automatically submit the form and steal the contents of the user's local file.

MFSA 2009-04 / CVE-2009-0356: Mozilla security researcher Georgi Guninski reported that the fix for an earlier vulnerability reported by Liu Die Yu using local internet shortcut files to access other sites (MFSA 2008-47) could be bypassed by redirecting to a privileged about: URI such as about:plugins. If an attacker could get a victim to download two files, a malicious HTML file and a .desktop shortcut file, they could have the HTML document load a privileged chrome document via the shortcut and both documents would be treated as same origin. This vulnerability could potentially be used by an attacker to inject arbitrary code into the chrome document and execute with chrome privileges. Because this attack has relatively high complexity, the severity of this issue was determined to be moderate.

MFSA 2009-05 / CVE-2009-0357: Developer and Mozilla community member Wladimir Palant reported that cookies marked HTTPOnly were readable by JavaScript via the XMLHttpRequest.getResponseHeader and XMLHttpRequest.getAllResponseHeaders APIs. This vulnerability bypasses the security mechanism provided by the HTTPOnly flag which intends to restrict JavaScript access to document.cookie. The fix prevents the XMLHttpRequest feature from accessing the Set-Cookie and Set-Cookie2 headers of any response whether or not the HTTPOnly flag was set for those cookies.

MFSA 2009-06 / CVE-2009-0358: Paul Nel reported that certain HTTP directives to not cache web pages, Cache-Control: no-store and Cache-Control: no-cache for HTTPS pages, were being ignored by Firefox 3. On a shared system, applications relying upon these HTTP directives could potentially expose private data. Another user on the system could use this vulnerability to view improperly cached pages containing private data by navigating the browser back.

The Mozilla Firefox Browser was refreshed to the current MOZILLA_1_8 branch state around fix level 2.0.0.22. 

Security issues identified as being fixed are: MFSA 2009-01 / CVE-2009-0352 / CVE-2009-0353: Mozilla developers identified and fixed several stability bugs in the browser engine used in Firefox and other Mozilla-based products. Some of these crashes showed evidence of memory corruption under certain circumstances and we presume that with enough effort at least some of these could be exploited to run arbitrary code.

  - Mozilla developers identified and fixed several     stability bugs in the browser engine used in Firefox and     other Mozilla-based products. Some of these crashes     showed evidence of memory corruption under certain     circumstances and we presume that with enough effort at     least some of these could be exploited to run arbitrary     code. (MFSA 2009-07 / CVE-2009-0772 / CVE-2009-0774)

  - Mozilla security researcher Georgi Guninski reported     that a website could use nsIRDFService and a     cross-domain redirect to steal arbitrary XML data from     another domain, a violation of the same-origin policy.
    This vulnerability could be used by a malicious website     to steal private data from users authenticated to the     redirected website. (MFSA 2009-09 / CVE-2009-0776)

  - Google security researcher Tavis Ormandy reported     several memory safety hazards to the libpng project, an     external library used by Mozilla to render PNG images.
    These vulnerabilities could be used by a malicious     website to crash a victim's browser and potentially     execute arbitrary code on their computer. libpng was     upgraded to version 1.2.35 which containis fixes for     these flaws. (MFSA 2009-10 / CVE-2009-0040)

  - Security researcher Guido Landi discovered that a XSL     stylesheet could be used to crash the browser during a     XSL transformation. An attacker could potentially use     this crash to run arbitrary code on a victim's computer.
    This vulnerability was also previously reported as a     stability problem by Ubuntu community member, Andre.
    Ubuntu community member Michael Rooney reported Andre's     findings to Mozilla, and Mozilla community member Martin     helped reduce Andre's original testcase and contributed     a patch to fix the vulnerability. (MFSA 2009-12 /     CVE-2009-1169)

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-2009-0352, CVE-2009-0353, CVE-2009-0772, CVE-2009-0774, CVE-2009-0775)

Several flaws were found in the way malformed content was processed.
An HTML mail message containing specially crafted content could potentially trick a Thunderbird user into surrendering sensitive information. (CVE-2009-0355, CVE-2009-0776)

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

All running instances of Thunderbird must be restarted for the update to take effect.

An updated firefox package that fixes various security issues is 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.

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-2009-0352, CVE-2009-0353, CVE-2009-0356)

Several flaws were found in the way malformed content was processed. A website containing specially crafted content could, potentially, trick a Firefox user into surrendering sensitive information.
(CVE-2009-0354, CVE-2009-0355)

A flaw was found in the way Firefox treated HTTPOnly cookies. An attacker able to execute arbitrary JavaScript on a target site using HTTPOnly cookies may be able to use this flaw to steal the cookie.
(CVE-2009-0357)

A flaw was found in the way Firefox treated certain HTTP page caching directives. A local attacker could steal the contents of sensitive pages which the page author did not intend to be cached.
(CVE-2009-0358)

For technical details regarding these flaws, please see the Mozilla security advisories for Firefox 3.0.6. You can find a link to the Mozilla advisories in the References section.

All Firefox users should upgrade to these updated packages, which contain Firefox version 3.0.6, which corrects these issues. After installing the update, Firefox must be restarted for the changes to take effect.

The installed version of Firefox 3.0.x is earlier than 3.0.6.  Such versions are potentially affected by the following security issues :

  - There are several stability bugs in the browser engine     that could lead to crashes with evidence of memory     corruption. (MFSA 2009-01)

  - A chrome XBL method can be used in conjunction with     'window.eval' to execute arbitrary JavaScript within     the context of another website, violating the same     origin policy. (MFSA 2009-02)

  - A form input control's type could be changed during the     restoration of a closed tab to the path of a local file     whose location was known to the attacker. (MFSA 2009-03)

  - An attacker may be able to inject arbitrary code into a     chrome document and then execute it with chrome     privileges if he can trick a user into downloading a     malicious HTML file and a .desktop shortcut file.     (MFSA 2009-04)

  - Cookies marked HTTPOnly are readable by JavaScript via     the 'XMLHttpRequest.getResponseHeader' and     'XMLHttpRequest.getAllResponseHeaders' APIs.     (MFSA 2009-05)

  - The 'Cache-Control: no-store' and 'Cache-Control:     no-cache' HTTP directives for HTTPS pages are ignored     by Firefox 3, which could lead to exposure of     sensitive information. (MFSA 2009-06)

The installed version of Thunderbird is earlier than 2.0.0.21.  Such versions are potentially affected by the following security issues :

  - There are several stability bugs in the browser engine     that could lead to crashes with evidence of memory     corruption. (MFSA 2009-01)

  - By exploiting stability bugs in the browser engine, it     might be possible for an attacker to execute arbitrary     code on the remote system under certain conditions.     (MFSA 2009-07)

  - It might be possible for a website to read arbitrary XML     data from another domain by using nsIRDFService and a     cross-domain redirect. (MFSA 2009-09)

  - Vulnerabilities in the PNG libraries used by Mozilla     could be exploited to execute arbitrary code on the     remote system. (MFSA 2009-10)

  - A URI-spoofing vulnerability exists because the     application fails to adequately handle specific     characters in IDN subdomains. (MFSA 2009-15)

Update to the new upstream Firefox 3.0.6 / XULRunner 1.9.0.6 fixing multiple security issues: http://www.mozilla.org/security/known- vulnerabilities/firefox30.html#firefox3.0.6 This update also contains new builds of all applications depending on Gecko libraries, built against the new version, including the latest google gadgets upstream release. See http://code.google.com/p/google-gadgets-for- linux/source/browse/trunk/ChangeLog?spec=svn1087&r=1087 for details.
Note: after the updated packages are installed, Firefox must be restarted for the update to take effect.

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 the Icedove mail client, an unbranded version of the Thunderbird mail client. The Common Vulnerabilities and Exposures project identifies the following problems :

  - CVE-2009-0040     The execution of arbitrary code might be possible via a     crafted PNG file that triggers a free of an     uninitialized pointer in (1) the png_read_png function,     (2) pCAL chunk handling, or (3) setup of 16-bit gamma     tables. (MFSA 2009-10)

  - CVE-2009-0352     It is possible to execute arbitrary code via vectors     related to the layout engine. (MFSA 2009-01)

  - CVE-2009-0353     It is possible to execute arbitrary code via vectors     related to the JavaScript engine. (MFSA 2009-01)

  - CVE-2009-0652     Bjoern Hoehrmann and Moxie Marlinspike discovered a     possible spoofing attack via Unicode box drawing     characters in internationalized domain names. (MFSA     2009-15)

  - CVE-2009-0771     Memory corruption and assertion failures have been     discovered in the layout engine, leading to the possible     execution of arbitrary code. (MFSA 2009-07)

  - CVE-2009-0772     The layout engine allows the execution of arbitrary code     in vectors related to nsCSSStyleSheet::GetOwnerNode,     events, and garbage collection. (MFSA 2009-07)

  - CVE-2009-0773     The JavaScript engine is prone to the execution of     arbitrary code via several vectors. (MFSA 2009-07)

  - CVE-2009-0774     The layout engine allows the execution of arbitrary code     via vectors related to gczeal. (MFSA 2009-07)

  - CVE-2009-0776     Georgi Guninski discovered that it is possible to obtain     xml data via an issue related to the nsIRDFService.
    (MFSA 2009-09)

  - CVE-2009-1302     The browser engine is prone to a possible memory     corruption via several vectors. (MFSA 2009-14)

  - CVE-2009-1303     The browser engine is prone to a possible memory     corruption via the nsSVGElement::BindToTree function.
    (MFSA 2009-14)

  - CVE-2009-1307     Gregory Fleischer discovered that it is possible to     bypass the Same Origin Policy when opening a Flash file     via the view-source: scheme. (MFSA 2009-17)

  - CVE-2009-1832     The possible arbitrary execution of code was discovered     via vectors involving 'double frame construction.' (MFSA     2009-24)

  - CVE-2009-1392     Several issues were discovered in the browser engine as     used by icedove, which could lead to the possible     execution of arbitrary code. (MFSA 2009-24)

  - 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-2009-1838     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-2009-1841     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)

  - No CVE id yet

    Bernd Jendrissek discovered a potentially exploitable     crash when viewing a multipart/alternative mail message     with a text/enhanced part. (MFSA 2009-33)

ID	Name	Product	Family	Published	Updated	Severity
39886	openSUSE Security Update : MozillaFirefox (MozillaFirefox-509)	Nessus	SuSE Local Security Checks	7/21/2009	1/14/2021	critical
41467	SuSE 10 Security Update : MozillaFirefox (ZYPP Patch Number 6187)	Nessus	SuSE Local Security Checks	9/24/2009	1/14/2021	critical
60553	Scientific Linux Security Update : thunderbird on SL4.x, SL5.x i386/x86_64	Nessus	Scientific Linux Local Security Checks	8/1/2012	1/14/2021	critical
35585	RHEL 4 / 5 : firefox (RHSA-2009:0256)	Nessus	Red Hat Local Security Checks	2/4/2009	1/14/2021	critical
35581	Firefox 3.0.x < 3.0.6 Multiple Vulnerabilities	Nessus	Windows	2/4/2009	6/23/2026	high
35977	Mozilla Thunderbird < 2.0.0.21 Multiple Vulnerabilities	Nessus	Windows	3/20/2009	11/15/2018	high
37378	Fedora 10 : Miro-1.2.8-2.fc10 / blam-1.8.5-6.fc10 / devhelp-0.22-3.fc10 / epiphany-2.24.3-2.fc10 / etc (2009-1398)	Nessus	Fedora Local Security Checks	4/23/2009	1/11/2021	critical
44695	Debian DSA-1830-1 : icedove - several vulnerabilities	Nessus	Debian Local Security Checks	2/24/2010	1/4/2021	critical

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