Several flaws were found in the processing of malformed content.
Malicious content could cause Thunderbird to crash or, potentially, execute arbitrary code with the privileges of the user running Thunderbird. (CVE-2014-1477, CVE-2014-1482, CVE-2014-1486)

A flaw was found in the way Thunderbird handled error messages related to web workers. An attacker could use this flaw to bypass the same-origin policy, which could lead to cross-site scripting (XSS) attacks, or could potentially be used to gather authentication tokens and other data from third-party websites. (CVE-2014-1487)

A flaw was found in the implementation of System Only Wrappers (SOW).
An attacker could use this flaw to crash Thunderbird. When combined with other vulnerabilities, this flaw could have additional security implications. (CVE-2014-1479)

It was found that the Thunderbird JavaScript engine incorrectly handled window objects. A remote attacker could use this flaw to bypass certain security checks and possibly execute arbitrary code.
(CVE-2014-1481)

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.

Updated firefox packages that fix several security issues are now available for Red Hat Enterprise Linux 5 and 6.

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. 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 with the privileges of the user running Firefox. (CVE-2014-1477, CVE-2014-1482, CVE-2014-1486)

A flaw was found in the way Firefox handled error messages related to web workers. An attacker could use this flaw to bypass the same-origin policy, which could lead to cross-site scripting (XSS) attacks, or could potentially be used to gather authentication tokens and other data from third-party websites. (CVE-2014-1487)

A flaw was found in the implementation of System Only Wrappers (SOW).
An attacker could use this flaw to crash Firefox. When combined with other vulnerabilities, this flaw could have additional security implications. (CVE-2014-1479)

It was found that the Firefox JavaScript engine incorrectly handled window objects. A remote attacker could use this flaw to bypass certain security checks and possibly execute arbitrary code.
(CVE-2014-1481)

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Christian Holler, Terrence Cole, Jesse Ruderman, Gary Kwong, Eric Rescorla, Jonathan Kew, Dan Gohman, Ryan VanderMeulen, Sotaro Ikeda, Cody Crews, Fredrik 'Flonka' Lonnqvist, Arthur Gerkis, Masato Kinugawa, and Boris Zbarsky as the original reporters of these issues.

For technical details regarding these flaws, refer to the Mozilla security advisories for Firefox 24.3.0 ESR. You can find a link to the Mozilla advisories in the References section of this erratum.

All Firefox users should upgrade to these updated packages, which contain Firefox version 24.3.0 ESR, which corrects these issues. After installing the update, Firefox must be restarted for the changes to take effect.

See http://www.mozilla.org/en-US/thunderbird/24.3.0/releasenotes/ for changelog.

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.

The Mozilla Project reports :

MFSA 2014-01 Miscellaneous memory safety hazards (rv:27.0 / rv:24.3)

MFSA 2014-02 Clone protected content with XBL scopes

MFSA 2014-03 UI selection timeout missing on download prompts

MFSA 2014-04 Incorrect use of discarded images by RasterImage

MFSA 2014-05 Information disclosure with *FromPoint on iframes

MFSA 2014-06 Profile path leaks to Android system log

MFSA 2014-07 XSLT stylesheets treated as styles in Content Security Policy

MFSA 2014-08 Use-after-free with imgRequestProxy and image proccessing

MFSA 2014-09 Cross-origin information leak through web workers

MFSA 2014-10 Firefox default start page UI content invokable by script

MFSA 2014-11 Crash when using web workers with asm.js

MFSA 2014-12 NSS ticket handling issues

MFSA 2014-13 Inconsistent JavaScript handling of access to Window objects

This updates the Mozilla Firefox browser to the 24.3.0ESR security release. The Mozilla NSS libraries are now on version 3.15.4.

The following security issues have been fixed :

  - Memory safety bugs fixed in Firefox ESR 24.3 and Firefox     27.0 (CVE-2014-1477)(bnc#862345). (MFSA 2014-01)

  - Using XBL scopes its possible to steal(clone) native     anonymous content (CVE-2014-1479)(bnc#862348). (MFSA     2014-02)

  - Download 'open file' dialog delay is too quick, doesn't     prevent clickjacking. (CVE-2014-1480). (MFSA 2014-03)

  - Image decoding causing FireFox to crash with Goo Create     (CVE-2014-1482)(bnc#862356). (MFSA 2014-04)

  - caretPositionFromPoint and elementFromPoint leak     information about iframe contents via timing information     (CVE-2014-1483)(bnc#862360). (MFSA 2014-05)

  - Fennec leaks profile path to logcat. (CVE-2014-1484).
    (MFSA 2014-06)

  - CSP should block XSLT as script, not as style.
    (CVE-2014-1485). (MFSA 2014-07)

  - imgRequestProxy Use-After-Free Remote Code Execution     Vulnerability. (CVE-2014-1486). (MFSA 2014-08)

  - Cross-origin information disclosure with error message     of Web Workers. (CVE-2014-1487). (MFSA 2014-09)

  - settings &amp; history ID bug. (CVE-2014-1489). (MFSA     2014-10)

  - Firefox reproducibly crashes when using asm.js code in     workers and transferable objects. (CVE-2014-1488). (MFSA     2014-11)

  - TOCTOU, potential use-after-free in libssl's session     ticket processing (CVE-2014-1490)(bnc#862300) Do not     allow p-1 as a public DH value     (CVE-2014-1491)(bnc#862289). (MFSA 2014-12)

  - Inconsistent this value when invoking getters on window     (CVE-2014-1481)(bnc#862309). (MFSA 2014-13)

USN-2102-1 fixed vulnerabilities in Firefox. The update introduced a regression which could make Firefox crash under some circumstances.
This update fixes the problem.

We apologize for the inconvenience.

Christian Holler, Terrence Cole, Jesse Ruderman, Gary Kwong, Eric Rescorla, Jonathan Kew, Dan Gohman, Ryan VanderMeulen, Carsten Book, Andrew Sutherland, Byron Campen, Nicholas Nethercote, Paul Adenot, David Baron, Julian Seward and Sotaro Ikeda discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Firefox.
(CVE-2014-1477, CVE-2014-1478)

Cody Crews discovered a method to bypass System Only Wrappers. An attacker could potentially exploit this to steal confidential data or execute code with the privileges of the user invoking Firefox. (CVE-2014-1479)

Jordi Chancel discovered that the downloads dialog did not implement a security timeout before button presses are processed. An attacker could potentially exploit this to conduct clickjacking attacks. (CVE-2014-1480)

Fredrik Lonnqvist discovered a use-after-free in Firefox.
An attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code with the priviliges of the user invoking Firefox.
(CVE-2014-1482)

Jordan Milne discovered a timing flaw when using document.elementFromPoint and document.caretPositionFromPoint on cross-origin iframes. An attacker could potentially exploit this to steal confidential imformation. (CVE-2014-1483)

Frederik Braun discovered that the CSP implementation in Firefox did not handle XSLT stylesheets in accordance with the specification, potentially resulting in unexpected script execution in some circumstances (CVE-2014-1485)

Arthur Gerkis discovered a use-after-free in Firefox. An attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code with the priviliges of the user invoking Firefox.
(CVE-2014-1486)

Masato Kinugawa discovered a cross-origin information leak in web worker error messages. An attacker could potentially exploit this to steal confidential information.
(CVE-2014-1487)

Yazan Tommalieh discovered that web pages could activate buttons on the default Firefox startpage (about:home) in some circumstances. An attacker could potentially exploit this to cause data loss by triggering a session restore.
(CVE-2014-1489)

Soeren Balko discovered a crash in Firefox when terminating web workers running asm.js code in some circumstances. An attacker could potentially exploit this to execute arbitrary code with the priviliges of the user invoking Firefox.
(CVE-2014-1488)

Several issues were discovered with ticket handling in NSS.
An attacker could potentially exploit these to cause a denial of service or bypass cryptographic protection mechanisms. (CVE-2014-1490, CVE-2014-1491)

Boris Zbarsky discovered that security restrictions on window objects could be bypassed under certain circumstances. (CVE-2014-1481).

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.

ID	Name	Product	Family	Published	Updated	Severity
72323	Scientific Linux Security Update : thunderbird on SL5.x, SL6.x i386/x86_64 (20140204)	Nessus	Scientific Linux Local Security Checks	2/5/2014	1/14/2021	critical
72317	RHEL 5 / 6 : firefox (RHSA-2014:0132)	Nessus	Red Hat Local Security Checks	2/5/2014	1/14/2021	critical
72350	CentOS 5 / 6 : firefox (CESA-2014:0132)	Nessus	CentOS Local Security Checks	2/6/2014	1/4/2021	critical
72380	Fedora 20 : thunderbird-24.3.0-1.fc20 (2014-2041)	Nessus	Fedora Local Security Checks	2/7/2014	1/11/2021	critical
72752	Fedora 19 : thunderbird-24.3.0-1.fc19 (2014-2083)	Nessus	Fedora Local Security Checks	3/2/2014	1/11/2021	critical
72312	FreeBSD : mozilla -- multiple vulnerabilities (1753f0ff-8dd5-11e3-9b45-b4b52fce4ce8)	Nessus	FreeBSD Local Security Checks	2/5/2014	1/6/2021	critical
72554	SuSE 11.3 Security Update : MozillaFirefox (SAT Patch Number 8879)	Nessus	SuSE Local Security Checks	2/18/2014	1/19/2021	critical
72598	Ubuntu 12.04 LTS / 12.10 / 13.10 : firefox regression (USN-2102-2)	Nessus	Ubuntu Local Security Checks	2/20/2014	1/19/2021	critical

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