The installed version of Thunderbird is earlier than 16.0 and thus, is affected by the following vulnerabilities :

  - Several memory safety bugs exist in the browser engine     used in Mozilla-based products that could be exploited     to execute arbitrary code. (CVE-2012-3983)

  - '<select>' elements can be abused to cover arbitrary     portions of a newly loaded page and may also be utilized     for click-jacking attacks. (CVE-2012-3984,     CVE-2012-5354)

  - A violation in the HTML specification for     'document.domain' behavior can be abused, potentially     leading to cross-site scripting attacks. (CVE-2012-3985)

  - Some methods of a feature used for testing     (DOMWindowUtils) are not properly protected and may be     called through script by web pages. (CVE-2012-3986)

  - A potentially exploitable denial of service may be     caused by a combination of invoking full-screen mode and     navigating backwards in history. (CVE-2012-3988)

  - A potentially exploitable crash can be caused when     making an invalid cast using the 'instanceof' operator     on certain types of JavaScript objects. (CVE-2012-3989)

  - When the 'GetProperty' function is invoked through JSAP,     security checking can by bypassed when getting cross-     origin properties, potentially allowing arbitrary code     execution. (CVE-2012-3991)

  - The 'location' property can be accessed by binary     plugins through 'top.location' and 'top' can be shadowed     by 'Object.defineProperty', potentially allowing cross-     site scripting attacks through plugins. (CVE-2012-3994)

  - The Chrome Object Wrapper (COW) has flaws that could     allow access to privileged functions, allowing for cross-     site scripting attacks or arbitrary code execution.
    (CVE-2012-3993, CVE-2012-4184)

  - The 'location.hash' property is vulnerable to an attack     that could allow an attacker to inject script or     intercept post data. (CVE-2012-3992)

  - The 'Address Sanitizer' tool is affected by multiple,     potentially exploitable use-after-free flaws.
    (CVE-2012-3990, CVE-2012-3995, CVE-2012-4179,     CVE-2012-4180, CVE-2012-4181, CVE-2012-4182,     CVE-2012-4183)

  - The 'Address Sanitizer' tool is affected by multiple,     potentially exploitable heap memory corruption issues.
    (CVE-2012-4185, CVE-2012-4186, CVE-2012-4187,     CVE-2012-4188)

Updated firefox packages that fix several security issues and one bug 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-2012-3982, CVE-2012-3988, CVE-2012-3990, CVE-2012-3995, CVE-2012-4179, CVE-2012-4180, CVE-2012-4181, CVE-2012-4182, CVE-2012-4183, CVE-2012-4185, CVE-2012-4186, CVE-2012-4187, CVE-2012-4188)

Two flaws in Firefox could allow a malicious website to bypass intended restrictions, possibly leading to information disclosure, or Firefox executing arbitrary code. Note that the information disclosure issue could possibly be combined with other flaws to achieve arbitrary code execution. (CVE-2012-3986, CVE-2012-3991)

Multiple flaws were found in the location object implementation in Firefox. Malicious content could be used to perform cross-site scripting attacks, script injection, or spoofing attacks.
(CVE-2012-1956, CVE-2012-3992, CVE-2012-3994)

Two flaws were found in the way Chrome Object Wrappers were implemented. Malicious content could be used to perform cross-site scripting attacks or cause Firefox to execute arbitrary code.
(CVE-2012-3993, CVE-2012-4184)

For technical details regarding these flaws, refer to the Mozilla security advisories for Firefox 10.0.8 ESR. You can find a link to the Mozilla advisories in the References section of this erratum.

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Christian Holler, Jesse Ruderman, Soroush Dalili, miaubiz, Abhishek Arya, Atte Kettunen, Johnny Stenback, Alice White, moz_bug_r_a4, and Mariusz Mlynski as the original reporters of these issues.

This update also fixes the following bug :

* In certain environments, storing personal Firefox configuration files (~/.mozilla/) on an NFS share, such as when your home directory is on a NFS share, led to Firefox functioning incorrectly, for example, navigation buttons not working as expected, and bookmarks not saving. This update adds a new configuration option, storage.nfs_filesystem, that can be used to resolve this issue.

If you experience this issue :

1) Start Firefox.

2) Type 'about:config' (without quotes) into the URL bar and press the Enter key.

3) If prompted with 'This might void your warranty!', click the 'I'll be careful, I promise!' button.

4) Right-click in the Preference Name list. In the menu that opens, select New -> Boolean.

5) Type 'storage.nfs_filesystem' (without quotes) for the preference name and then click the OK button.

6) Select 'true' for the boolean value and then press the OK button.
(BZ#809571, BZ#816234)

All Firefox users should upgrade to these updated packages, which contain Firefox version 10.0.8 ESR, which corrects these issues. After installing the update, Firefox must be restarted for the changes to take effect.

The remote Oracle Linux 5 / 6 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2012-1351 advisory.

    [10.0.8-1.0.1.el6_3]
    - Replaced thunderbird-redhat-default-prefs.js with thunderbird-oracle-default-prefs.js
    - Replace clean.gif in tarball

    [10.0.8-1]
    - Update to 10.0.8 ESR

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名稱	產品	系列	已發布	已更新	嚴重性
62582	Mozilla Thunderbird < 16.0 Multiple Vulnerabilities	Nessus	Windows	2012/10/17	2019/12/4	critical
62484	CentOS 5 / 6 : firefox (CESA-2012:1350)	Nessus	CentOS Local Security Checks	2012/10/11	2021/1/4	high
68636	Oracle Linux 5 / 6 : thunderbird (ELSA-2012-1351)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2025/4/29	medium

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