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

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-2010-1208, CVE-2010-1209, CVE-2010-1211, CVE-2010-1212, CVE-2010-1214, CVE-2010-1215, CVE-2010-2752, CVE-2010-2753)

A memory corruption flaw was found in the way Firefox decoded certain PNG images. An attacker could create a specially crafted PNG image that, when opened, could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox. (CVE-2010-1205)

Several same-origin policy bypass flaws were found in Firefox. An attacker could create a malicious web page that, when viewed by a victim, could steal private data from a different website the victim has loaded with Firefox. (CVE-2010-0654, CVE-2010-1207, CVE-2010-1213, CVE-2010-2754)

A flaw was found in the way Firefox presented the location bar to a user. A malicious website could trick a user into thinking they are visiting the site reported by the location bar, when the page is actually content controlled by an attacker. (CVE-2010-1206)

A flaw was found in the way Firefox displayed the location bar when visiting a secure web page. A malicious server could use this flaw to present data that appears to originate from a secure server, even though it does not. (CVE-2010-2751)

A flaw was found in the way Firefox displayed certain malformed characters. A malicious web page could use this flaw to bypass certain string sanitization methods, allowing it to display malicious information to users. (CVE-2010-1210)

For technical details regarding these flaws, refer to the Mozilla security advisories for Firefox 3.6.7. 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 3.6.7, which corrects these issues. After installing the update, Firefox must be restarted for the changes to take effect.

Updated SeaMonkey packages that fix several security issues are now available for Red Hat Enterprise Linux 3 and 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.

SeaMonkey is an open source web browser, email and newsgroup client, IRC chat client, and HTML editor.

Several flaws were found in the processing of malformed web content. A web page containing malicious content could cause SeaMonkey to crash or, potentially, execute arbitrary code with the privileges of the user running SeaMonkey. (CVE-2010-1211, CVE-2010-2753, CVE-2010-1214)

A memory corruption flaw was found in the way SeaMonkey decoded certain PNG images. An attacker could create a specially crafted PNG image that, when opened, could cause SeaMonkey to crash or, potentially, execute arbitrary code with the privileges of the user running SeaMonkey. (CVE-2010-1205)

A same-origin policy bypass flaw was found in SeaMonkey. An attacker could create a malicious web page that, when viewed by a victim, could steal private data from a different website the victim has loaded with SeaMonkey. (CVE-2010-2754)

A flaw was found in the way SeaMonkey displayed the location bar when visiting a secure web page. A malicious server could use this flaw to present data that appears to originate from a secure server, even though it does not. (CVE-2010-2751)

All SeaMonkey users should upgrade to these updated packages, which correct these issues. After installing the update, SeaMonkey must be restarted for the changes to take effect.

The remote host is affected by the vulnerability described in GLSA-201301-01 (Mozilla Products: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Mozilla Firefox,       Thunderbird, SeaMonkey, NSS, GNU IceCat, and XULRunner. Please review the       CVE identifiers referenced below for details.
  Impact :

    A remote attacker could entice a user to view a specially crafted web       page or email, possibly resulting in execution of arbitrary code or a       Denial of Service condition. Furthermore, a remote attacker may be able       to perform Man-in-the-Middle attacks, obtain sensitive information,       bypass restrictions and protection mechanisms, force file downloads,       conduct XML injection attacks, conduct XSS attacks, bypass the Same       Origin Policy, spoof URL&rsquo;s for phishing attacks, trigger a vertical       scroll, spoof the location bar, spoof an SSL indicator, modify the       browser&rsquo;s font, conduct clickjacking attacks, or have other unspecified       impact.
    A local attacker could gain escalated privileges, obtain sensitive       information, or replace an arbitrary downloaded file.
  Workaround :

    There is no known workaround at this time.

The installed version of Thunderbird is earlier than 3.1.1.  Such versions are potentially affected by the following security issues :

  - Multiple memory safety bugs could result in memory     corruption, potentially resulting in arbitrary code     execution. (MFSA 2010-34)

  - It may be possible to run arbitrary JavaScript with     chrome privileges using SJOW and fast native     function. (MFSA 2010-38) 

 - The array class used to store CSS values is affected     by an integer overflow vulnerability. (MFSA 2010-39)

  - An integer overflow vulnerability exists in the     'selection' attribute of XUL <tree> element.
    (MFSA 2010-40)

  - A buffer overflow vulnerability in Mozilla graphics     code could lead to arbitrary code execution.
    (MFSA 2010-41)

  - It is possible to read and parse resources from other     domains even when the content is not valid JavaScript     leading to cross-domain data disclosure. (MFSA 2010-42)

  - The canvas element can be used to read data from another     site leading to a same-origin bypass vulnerability.
    (MFSA 2010-43)

  - Characters mapped to U+FFFD in 8 bit encodings could     cause subsequent characters to disappear, potentially     contributing to cross-site scripting issues on certain     websites. (MFSA 2010-44)

  - It is possible to read data across domains by     injecting bogus CSS selectors into a target site.
    (MFSA 2010-46)

  - Potentially sensitive URL parameters could be leaked     across domains via script errors. (MFSA 2010-47)

Update to new upstream Thunderbird version 3.1.1, fixing multiple security issues detailed in the upstream advisories:
http://www.mozilla.org/security/announce/ Update also includes sunbird package rebuilt against new version of Thunderbird.

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.

USN-957-1 fixed vulnerabilities in Firefox and Xulrunner. Daniel Holbert discovered that the fix for CVE-2010-1214 introduced a regression which did not properly initialize a plugin pointer. If a user were tricked into viewing a malicious site, a remote attacker could use this to crash the browser or run arbitrary code as the user invoking the program. (CVE-2010-2755)

This update fixes the problem.

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

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 Thunderbird is a standalone mail and newsgroup client.

A memory corruption flaw was found in the way Thunderbird decoded certain PNG images. An attacker could create a mail message containing a specially crafted PNG image that, when opened, could cause Thunderbird to crash or, potentially, execute arbitrary code with the privileges of the user running Thunderbird. (CVE-2010-1205)

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 with the privileges of the user running Thunderbird. (CVE-2010-0174, CVE-2010-1200, CVE-2010-1211, CVE-2010-1214, CVE-2010-2753)

An integer overflow flaw was 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 with the privileges of the user running Thunderbird. (CVE-2010-1199)

Several use-after-free flaws were found in Thunderbird. Viewing an HTML mail message containing malicious content could result in Thunderbird executing arbitrary code with the privileges of the user running Thunderbird. (CVE-2010-0175, CVE-2010-0176, CVE-2010-0177)

A flaw was found in the way Thunderbird 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 Thunderbird. (CVE-2010-1198)

A flaw was found in the way Thunderbird handled the 'Content-Disposition: attachment' HTTP header when the 'Content-Type:
multipart' HTTP header was also present. Loading remote HTTP content 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 same-origin policy bypass flaw was found in Thunderbird. Remote HTML content could steal private data from different remote HTML content Thunderbird has loaded. (CVE-2010-2754)

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.

This update brings Mozilla Firefox to the 3.6.8 security release.

It fixes following security bugs: MFSA 2010-34 / CVE-2010-1211 / CVE-2010-1212: Mozilla developers identified and fixed several memory safety bugs in the browser engine used in Firefox and other Mozilla-based products. Some of these bugs 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 2010-35 / CVE-2010-1208: Security researcher regenrecht reported via TippingPoint's Zero Day Initiative an error in the DOM attribute cloning routine where under certain circumstances an event attribute node can be deleted while another object still contains a reference to it. This reference could subsequently be accessed, potentially causing the execution of attacker controlled memory.

MFSA 2010-36 / CVE-2010-1209: Security researcher regenrecht reported via TippingPoint's Zero Day Initiative an error in Mozilla's implementation of NodeIterator in which a malicious NodeFilter could be created which would detach nodes from the DOM tree while it was being traversed. The use of a detached and subsequently deleted node could result in the execution of attacker-controlled memory.

MFSA 2010-37 / CVE-2010-1214: Security researcher J23 reported via TippingPoint's Zero Day Initiative an error in the code used to store the names and values of plugin parameter elements. A malicious page could embed plugin content containing a very large number of parameter elements which would cause an overflow in the integer value counting them. This integer is later used in allocating a memory buffer used to store the plugin parameters. Under such conditions, too small a buffer would be created and attacker-controlled data could be written past the end of the buffer, potentially resulting in code execution.

MFSA 2010-38 / CVE-2010-1215: Mozilla security researcher moz_bug_r_a4 reported that when content script which is running in a chrome context accesses a content object via SJOW, the content code can gain access to an object from the chrome scope and use that object to run arbitrary JavaScript with chrome privileges.

Firefox 3.5 and other Mozilla products built from Gecko 1.9.1 were not affected by this issue.

MFSA 2010-39 / CVE-2010-2752: Security researcher J23 reported via TippingPoint's Zero Day Initiative that an array class used to store CSS values contained an integer overflow vulnerability. The 16 bit integer value used in allocating the size of the array could overflow, resulting in too small a memory buffer being created. When the array was later populated with CSS values data would be written past the end of the buffer potentially resulting in the execution of attacker-controlled memory.

MFSA 2010-40 / CVE-2010-2753: Security researcher regenrecht reported via TippingPoint's Zero Day Initiative an integer overflow vulnerability in the implementation of the XUL <tree> element's selection attribute. When the size of a new selection is sufficiently large the integer used in calculating the length of the selection can overflow, resulting in a bogus range being marked selected. When adjustSelection is then called on the bogus range the range is deleted leaving dangling references to the ranges which could be used by an attacker to call into deleted memory and run arbitrary code on a victim's computer.

MFSA 2010-41 / CVE-2010-1205: OUSPG researcher Aki Helin reported a buffer overflow in Mozilla graphics code which consumes image data processed by libpng. A malformed PNG file could be created which would cause libpng to incorrectly report the size of the image to downstream consumers. When the dimensions of such images are underreported, the Mozilla code responsible for displaying the graphic will allocate too small a memory buffer to contain the image data and will wind up writing data past the end of the buffer. This could result in the execution of attacker-controlled memory.

MFSA 2010-42 / CVE-2010-1213: Security researcher Yosuke Hasegawa reported that the Web Worker method importScripts can read and parse resources from other domains even when the content is not valid JavaScript. This is a violation of the same-origin policy and could be used by an attacker to steal information from other sites.

MFSA 2010-43 / CVE-2010-1207: Mozilla developer Vladimir Vukicevic reported that a canvas element can be used to read data from another site, violating the same-origin policy. The read restriction placed on a canvas element which has had cross-origin data rendered into it can be bypassed by retaining a reference to the canvas element's context and deleting the associated canvas node from the DOM.

MFSA 2010-44 / CVE-2010-1210: Security researcher O. Andersen reported that undefined positions within various 8 bit character encodings are mapped to the sequence U+FFFD which when displayed causes the immediately following character to disappear from the text run. This could potentially contribute to XSS problems on sites which expected extra characters to be present within strings being sanitized on the server.

MFSA 2010-45 / CVE-2010-1206: Google security researcher Michal Zalewski reported two methods for spoofing the contents of the location bar. The first method works by opening a new window containing a resource that responds with an HTTP 204 (no content) and then using the reference to the new window to insert HTML content into the blank document. The second location bar spoofing method does not require that the resource opened in a new window respond with 204, as long as the opener calls window.stop() before the document is loaded.
In either case a user could be mislead as to the correct location of the document they are currently viewing.

MFSA 2010-45 / CVE-2010-2751: Security researcher Jordi Chancel reported that the location bar could be spoofed to look like a secure page when the current document was served via plaintext. The vulnerability is triggered by a server by first redirecting a request for a plaintext resource to another resource behind a valid SSL/TLS certificate. A second request made to the original plaintext resource which is responded to not with a redirect but with JavaScript containing history.back() and history.forward() will result in the plaintext resource being displayed with valid SSL/TLS badging in the location bar. References

MFSA 2010-46 / CVE-2010-0654: Google security researcher Chris Evans reported that data can be read across domains by injecting bogus CSS selectors into a target site and then retrieving the data using JavaScript APIs. If an attacker can inject opening and closing portions of a CSS selector into points A and B of a target page, then the region between the two injection points becomes readable to JavaScript through, for example, the getComputedStyle() API.

MFSA 2010-47 / CVE-2010-2754: Security researcher Soroush Dalili reported that potentially sensitive URL parameters could be leaked across domains upon script errors when the script filename and line number is included in the error message.

MFSA 2010-48 / CVE-2010-2755: Mozilla developer Daniel Holbert reported that the fix to the plugin parameter array crash that was fixed in Firefox 3.6.7 caused a crash showing signs of memory corruption. In certain circumstances, properties in the plugin instance's parameter array could be freed prematurely leaving a dangling pointer that the plugin could execute, potentially calling into attacker-controlled memory.

ID	名稱	產品	系列	已發布	已更新	嚴重性
47881	RHEL 4 / 5 : firefox (RHSA-2010:0547)	Nessus	Red Hat Local Security Checks	2010/7/28	2021/1/14	high
48342	CentOS 3 : seamonkey (CESA-2010:0546)	Nessus	CentOS Local Security Checks	2010/8/17	2021/1/4	high
63402	GLSA-201301-01 : Mozilla Products: Multiple vulnerabilities (BEAST)	Nessus	Gentoo Local Security Checks	2013/1/8	2025/10/6	critical
47784	Mozilla Thunderbird 3.1.x < 3.1.1 Multiple Vulnerabilities	Nessus	Windows	2010/7/21	2018/7/16	high
47813	Fedora 13 : sunbird-1.0-0.26.b2pre.fc13 / thunderbird-3.1.1-1.fc13 (2010-11379)	Nessus	Fedora Local Security Checks	2010/7/23	2021/1/11	high
47856	Ubuntu 8.04 LTS / 10.04 LTS : firefox, firefox-3.0, xulrunner-1.9.2 vulnerability (USN-957-2)	Nessus	Ubuntu Local Security Checks	2010/7/27	2019/9/19	critical
63939	RHEL 5 : thunderbird (RHSA-2010:0545)	Nessus	Red Hat Local Security Checks	2013/1/24	2021/1/14	critical
75646	openSUSE Security Update : MozillaFirefox (MozillaFirefox-2807)	Nessus	SuSE Local Security Checks	2014/6/13	2021/1/14	critical

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