USN-930-4 fixed vulnerabilities in Firefox and Xulrunner on Ubuntu 9.04 and 9.10. This update provides updated packages for use with Firefox 3.6 and Xulrunner 1.9.2.

If was discovered that Firefox could be made to access freed memory.
If a user were tricked into viewing a malicious site, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 8.04 LTS. (CVE-2010-1121)

Several flaws were discovered in the browser engine of Firefox. If a user were tricked into viewing a malicious site, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2010-1200, CVE-2010-1201, CVE-2010-1202, CVE-2010-1203)

A flaw was discovered in the way plugin instances interacted. An attacker could potentially exploit this and use one plugin to access freed memory from a second plugin to execute arbitrary code with the privileges of the user invoking the program. (CVE-2010-1198)

An integer overflow was discovered in Firefox. If a user were tricked into viewing a malicious site, an attacker could overflow a buffer and cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2010-1196)

Martin Barbella discovered an integer overflow in an XSLT node sorting routine. An attacker could exploit this to overflow a buffer and cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2010-1199)

Michal Zalewski discovered that the focus behavior of Firefox could be subverted. If a user were tricked into viewing a malicious site, a remote attacker could use this to capture keystrokes. (CVE-2010-1125)

Ilja van Sprundel discovered that the 'Content-Disposition:
attachment' HTTP header was ignored when 'Content-Type:
multipart' was also present. Under certain circumstances, this could potentially lead to cross-site scripting attacks.
(CVE-2010-1197)

Amit Klein discovered that Firefox did not seed its random number generator often enough. An attacker could exploit this to identify and track users across different websites.
(CVE-2008-5913)

Several flaws were discovered in the browser engine of Firefox. If a user were tricked into viewing a malicious site, a remote attacker could use this to crash the browser or possibly run arbitrary code as the user invoking the program. (CVE-2010-1208, CVE-2010-1209, CVE-2010-1211, CVE-2010-1212)

An integer overflow was discovered in how Firefox processed plugin parameters. An attacker could exploit this to crash the browser or possibly run arbitrary code as the user invoking the program. (CVE-2010-1214)

A flaw was discovered in the Firefox JavaScript engine. If a user were tricked into viewing a malicious site, a remote attacker code execute arbitrary JavaScript with chrome privileges. (CVE-2010-1215)

An integer overflow was discovered in how Firefox processed CSS values. An attacker could exploit this to crash the browser or possibly run arbitrary code as the user invoking the program. (CVE-2010-2752)

An integer overflow was discovered in how Firefox interpreted the XUL <tree> element. If a user were tricked into viewing a malicious site, a remote attacker could use this to crash the browser or possibly run arbitrary code as the user invoking the program. (CVE-2010-2753)

Aki Helin discovered that libpng did not properly handle certain malformed PNG images. If a user were tricked into opening a crafted PNG file, an attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2010-1205)

Yosuke Hasegawa and Vladimir Vukicevic discovered that the same-origin check in Firefox could be bypassed by utilizing the importScripts Web Worker method. If a user were tricked into viewing a malicious website, an attacker could exploit this to read data from other domains. (CVE-2010-1213, CVE-2010-1207)

O. Andersen that Firefox did not properly map undefined positions within certain 8 bit encodings. An attacker could utilize this to perform cross-site scripting attacks.
(CVE-2010-1210)

Michal Zalewski discovered flaws in how Firefox processed the HTTP 204 (no content) code. An attacker could exploit this to spoof the location bar, such as in a phishing attack. (CVE-2010-1206)

Jordi Chancel discovered that Firefox did not properly handle when a server responds to an HTTPS request with plaintext and then processes JavaScript history events. An attacker could exploit this to spoof the location bar, such as in a phishing attack. (CVE-2010-2751)

Chris Evans discovered that Firefox did not properly process improper CSS selectors. If a user were tricked into viewing a malicious website, an attacker could exploit this to read data from other domains. (CVE-2010-0654)

Soroush Dalili discovered that Firefox did not properly handle script error output. An attacker could use this to access URL parameters from other domains. (CVE-2010-2754).

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

An updated firefox package that addresses security issues, fixes bugs, adds numerous enhancements, and upgrades Firefox to version 3.6.4, is now available for Red Hat Enterprise Linux 4.

The Red Hat Security Response Team has rated this update as having critical security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

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 with the privileges of the user running Firefox. (CVE-2010-1121, CVE-2010-1200, CVE-2010-1202, CVE-2010-1203)

A flaw was found in the way browser plug-ins interact. It was possible for a plug-in to reference the freed memory from a different plug-in, resulting in the execution of arbitrary code with the privileges of the user running Firefox. (CVE-2010-1198)

Several integer overflow 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 with the privileges of the user running Firefox. (CVE-2010-1196, CVE-2010-1199)

A focus stealing flaw was found in the way Firefox handled focus changes. A malicious website could use this flaw to steal sensitive data from a user, such as usernames and passwords. (CVE-2010-1125)

A flaw was found in the way Firefox handled the 'Content-Disposition:
attachment' HTTP header when the 'Content-Type: multipart' HTTP header was also present. A website that allows arbitrary uploads and relies on the 'Content-Disposition: attachment' HTTP header to prevent content from being displayed inline, could be used by an attacker to serve malicious content to users. (CVE-2010-1197)

A flaw was found in the Firefox Math.random() function. This function could be used to identify a browsing session and track a user across different websites. (CVE-2008-5913)

A flaw was found in the Firefox XML document loading security checks.
Certain security checks were not being called when an XML document was loaded. This could possibly be leveraged later by an attacker to load certain resources that violate the security policies of the browser or its add-ons. Note that this issue cannot be exploited by only loading an XML document. (CVE-2010-0182)

For technical details regarding these flaws, refer to the Mozilla security advisories for Firefox 3.6.4. You can find a link to the Mozilla advisories in the References section of this erratum.

This erratum upgrades Firefox from version 3.0.19 to version 3.6.4, and as such, contains multiple bug fixes and numerous enhancements.
Space precludes documenting these changes in this advisory. For details concerning these changes, refer to the Firefox Release Notes links in the References section of this erratum.

Important: Firefox 3.6.4 is not completely backwards-compatible with all Mozilla Add-ons and Firefox plug-ins that worked with Firefox 3.0.19. Firefox 3.6 checks compatibility on first-launch, and, depending on the individual configuration and the installed Add-ons and plug-ins, may disable said Add-ons and plug-ins, or attempt to check for updates and upgrade them. Add-ons and plug-ins may have to be manually updated.

All Firefox users should upgrade to this updated package, which contains Firefox version 3.6.4. After installing the update, Firefox must be restarted for the changes to take effect.

USN-930-1 fixed vulnerabilities in Firefox and Xulrunner. This update provides updated packages for use with Firefox 3.6 and Xulrunner 1.9.2 on Ubuntu 8.04 LTS.

If was discovered that Firefox could be made to access freed memory.
If a user were tricked into viewing a malicious site, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 8.04 LTS. (CVE-2010-1121)

Several flaws were discovered in the browser engine of Firefox. If a user were tricked into viewing a malicious site, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2010-1200, CVE-2010-1201, CVE-2010-1202, CVE-2010-1203)

A flaw was discovered in the way plugin instances interacted. An attacker could potentially exploit this and use one plugin to access freed memory from a second plugin to execute arbitrary code with the privileges of the user invoking the program. (CVE-2010-1198)

An integer overflow was discovered in Firefox. If a user were tricked into viewing a malicious site, an attacker could overflow a buffer and cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2010-1196)

Martin Barbella discovered an integer overflow in an XSLT node sorting routine. An attacker could exploit this to overflow a buffer and cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2010-1199)

Michal Zalewski discovered that the focus behavior of Firefox could be subverted. If a user were tricked into viewing a malicious site, a remote attacker could use this to capture keystrokes. (CVE-2010-1125)

Ilja van Sprundel discovered that the 'Content-Disposition:
attachment' HTTP header was ignored when 'Content-Type:
multipart' was also present. Under certain circumstances, this could potentially lead to cross-site scripting attacks.
(CVE-2010-1197)

Amit Klein discovered that Firefox did not seed its random number generator often enough. An attacker could exploit this to identify and track users across different websites.
(CVE-2008-5913).

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

Update to new upstream Firefox version 3.5.10, fixing a security issue detailed in the upstream advisory:
http://www.mozilla.org/security/known- vulnerabilities/firefox36.html#firefox3.5.10 Update also includes packages depending on gecko-libs rebuilt against new version of Firefox / XULRunner. CVE-2010-1121 CVE-2010-1200 CVE-2010-1201 CVE-2010-1202 CVE-2010-0183 CVE-2010-1198 CVE-2010-1196 CVE-2010-1199 CVE-2010-1125 CVE-2010-1197 CVE-2008-5913

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.

ID	Name	Product	Family	Published	Updated	Severity
47825	Ubuntu 9.04 / 9.10 : ant, apturl, epiphany-browser, gluezilla, gnome-python-extras, liferea, mozvoikko, openjdk-6, packagekit, ubufox, webfav, yelp update (USN-930-5)	Nessus	Ubuntu Local Security Checks	7/26/2010	9/19/2019	critical
48265	CentOS 4 : firefox (CESA-2010:0500)	Nessus	CentOS Local Security Checks	8/9/2010	1/4/2021	critical
47162	Ubuntu 8.04 LTS : apturl, epiphany-browser, gecko-sharp, gnome-python-extras, liferea, rhythmbox, totem, ubufox, yelp update (USN-930-2)	Nessus	Ubuntu Local Security Checks	6/30/2010	9/19/2019	critical
47223	Fedora 12 : firefox-3.5.10-1.fc12 / galeon-2.0.7-23.fc12 / gnome-python2-extras-2.25.3-18.fc12 / etc (2010-10344)	Nessus	Fedora Local Security Checks	7/1/2010	1/11/2021	critical

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