Updated thunderbird packages that fix several security bugs are now available for Red Hat Enterprise Linux 4.

This update has been rated as having critical security impact by the Red Hat Security Response Team.

Mozilla Thunderbird is a standalone mail and newsgroup client.

Two flaws were found in the way Thunderbird processed certain regular expressions. A malicious HTML email could cause a crash or possibly execute arbitrary code as the user running Thunderbird.
(CVE-2006-4565, CVE-2006-4566)

A flaw was found in the Thunderbird auto-update verification system.
An attacker who has the ability to spoof a victim's DNS could get Firefox to download and install malicious code. In order to exploit this issue an attacker would also need to get a victim to previously accept an unverifiable certificate. (CVE-2006-4567)

A flaw was found in the handling of JavaScript timed events. A malicious HTML email could crash the browser or possibly execute arbitrary code as the user running Thunderbird. (CVE-2006-4253)

Daniel Bleichenbacher recently described an implementation error in RSA signature verification. For RSA keys with exponent 3 it is possible for an attacker to forge a signature that which would be incorrectly verified by the NSS library. (CVE-2006-4340)

A flaw was found in Thunderbird that triggered when a HTML message contained a remote image pointing to a XBL script. An attacker could have created a carefully crafted message which would execute JavaScript if certain actions were performed on the email by the recipient, even if JavaScript was disabled. (CVE-2006-4570)

A number of flaws were found in Thunderbird. A malicious HTML email could cause a crash or possibly execute arbitrary code as the user running Thunderbird. (CVE-2006-4571)

Users of Thunderbird are advised to upgrade to this update, which contains Thunderbird version 1.5.0.7 that corrects these issues.

Updated thunderbird packages that fix several security bugs are now available for Red Hat Enterprise Linux 4. 

This update has been rated as having critical security impact by the Red Hat Security Response Team. 

Mozilla Thunderbird is a standalone mail and newsgroup client. 

Users of Thunderbird are advised to upgrade to this update, which contains Thunderbird version 1.5.0.8 that corrects these issues. 


From Red Hat Security Advisory 2006:0735 :

Several flaws were found in the way Thunderbird processes certain malformed Javascript code.  A malicious HTML mail message could cause the execution of Javascript code in such a way that could cause Thunderbird to crash or execute arbitrary code as the user running Thunderbird.  (CVE-2006-5463, CVE-2006-5747, CVE-2006-5748)

Several flaws were found in the way Thunderbird renders HTML mail messages.  A malicious HTML mail message could cause the mail client to crash or possibly execute arbitrary code as the user running Thunderbird.  (CVE-2006-5464)

A flaw was found in the way Thunderbird verifies RSA signatures.  For RSA keys with exponent 3 it is possible for an attacker to forge a signature that would be incorrectly verified by the NSS library. Thunderbird as shipped trusts several root Certificate Authorities that use exponent 3.  An attacker could have created a carefully crafted SSL certificate which would be incorrectly trusted when their site was visited by a victim.  This flaw was previously thought to be fixed in Thunderbird 1.5.0.7, however Ulrich Kuehn discovered the fix was incomplete (CVE-2006-5462)


From Red Hat Security Advisory 2006:0677 :

Two flaws were found in the way Thunderbird processed certain regular expressions.  A malicious HTML email could cause a crash or possibly execute arbitrary code as the user running Thunderbird.  (CVE-2006-4565, CVE-2006-4566)

A flaw was found in the Thunderbird auto-update verification system.  An attacker who has the ability to spoof a victim's DNS could get Firefox to download and install malicious code.  In order to exploit this issue an attacker would also need to get a victim to previously accept an unverifiable certificate.  (CVE-2006-4567)

A flaw was found in the handling of Javascript timed events.  A malicious HTML email could crash the browser or possibly execute arbitrary code as the user running Thunderbird.  (CVE-2006-4253)

Daniel Bleichenbacher recently described an implementation error in RSA signature verification.  For RSA keys with exponent 3 it is possible for an attacker to forge a signature that which would be incorrectly verified by the NSS library.  (CVE-2006-4340)

A flaw was found in Thunderbird that triggered when a HTML message contained a remote image pointing to a XBL script.  An attacker could have created a carefully crafted message which would execute Javascript if certain actions were performed on the email by the recipient, even if Javascript was disabled.  (CVE-2006-4570)

A number of flaws were found in Thunderbird.  A malicious HTML email could cause a crash or possibly execute arbitrary code as the user running Thunderbird.  (CVE-2006-4571)


From Red Hat Bug Fix Advisory 2006:0624 :

A problem was found in Thunderbird where starting the application from a graphical launcher (such as a menu item) did not work. 


From Red Hat Security Advisory 2006:0611 :

The Mozilla Foundation has discontinued support for the Mozilla Thunderbird 1.0 branch.  This update deprecates the Mozilla Thunderbird 1.0 branch in Red Hat Enterprise Linux 4 in favor of the supported Mozilla Thunderbird 1.5 branch. 

This update also resolves a number of outstanding Thunderbird security issues :

Several flaws were found in the way Thunderbird processed certain javascript actions.  A malicious mail message could execute arbitrary javascript instructions with the permissions of 'chrome', allowing the page to steal sensitive information or install browser malware. (CVE-2006-2776, CVE-2006-2784, CVE-2006-2785, CVE-2006-2787, CVE-2006-3807, CVE-2006-3809)

Several denial of service flaws were found in the way Thunderbird processed certain mail messages.  A malicious web page could crash the browser or possibly execute arbitrary code as the user running Thunderbird.  (CVE-2006-2779, CVE-2006-2780, CVE-2006-3801, CVE-2006-3677, CVE-2006-3113, CVE-2006-3803, CVE-2006-3805, CVE-2006-3806, CVE-2006-3811)

Several flaws were found in the way Thunderbird processed certain javascript actions.  A malicious mail message could conduct a cross-site scripting attack or steal sensitive information (such as cookies owned by other domains).  (CVE-2006-3802, CVE-2006-3810)

A form file upload flaw was found in the way Thunderbird handled javascript input object mutation.  A malicious mail message could upload an arbitrary local file at form submission time without user interaction.  (CVE-2006-2782)

A denial of service flaw was found in the way Thunderbird called the crypto.signText() javascript function.  A malicious mail message could crash the browser if the victim had a client certificate loaded. (CVE-2006-2778)

A flaw was found in the way Thunderbird processed Proxy AutoConfig scripts.  A malicious Proxy AutoConfig server could execute arbitrary javascript instructions with the permissions of 'chrome', allowing the page to steal sensitive information or install client malware. (CVE-2006-3808)

Note: Please note that JavaScript support is disabled by default in Thunderbird.  The above issues are not exploitable with JavaScript disabled. 

Two flaws were found in the way Thunderbird displayed malformed inline vcard attachments.  If a victim viewed an email message containing a carefully crafted vcard it was possible to execute arbitrary code as the user running Thunderbird.  (CVE-2006-2781, CVE-2006-3804)

A cross site scripting flaw was found in the way Thunderbird processed Unicode Byte-order-Mark (BOM) markers in UTF-8 mail messages.  A malicious web page could execute a script within the browser that a web input sanitizer could miss due to a malformed 'script' tag. (CVE-2006-2783)

Two HTTP response smuggling flaws were found in the way Thunderbird processed certain invalid HTTP response headers.  A malicious web site could return specially crafted HTTP response headers which may bypass HTTP proxy restrictions.  (CVE-2006-2786)

A double free flaw was found in the way the nsIX509::getRawDER method was called.  If a victim visited a carefully crafted web page, it was possible to crash Thunderbird.  (CVE-2006-2788)

The remote host is affected by the vulnerability described in GLSA-200610-01 (Mozilla Thunderbird: Multiple vulnerabilities)

    A number of vulnerabilities have been found and fixed in Mozilla     Thunderbird. For details please consult the references below.
  Impact :

    The most severe vulnerabilities might lead to the execution of     arbitrary code with the rights of the user running the application.
    Other vulnerabilities include program crashes and the acceptance of     forged certificates.
  Workaround :

    There is no known workaround at this time.

This update upgrades Thunderbird from 1.0.8 to 1.5.0.7. This step was necessary since the 1.0.x series is not supported by upstream any more.

Various flaws have been reported that allow an attacker to execute arbitrary code with user privileges by tricking the user into opening a malicious email containing JavaScript. Please note that JavaScript is disabled by default for emails, and it is not recommended to enable it. (CVE-2006-3113, CVE-2006-3802, CVE-2006-3803, CVE-2006-3805, CVE-2006-3806, CVE-2006-3807, CVE-2006-3809, CVE-2006-3810, CVE-2006-3811, CVE-2006-3812, CVE-2006-4253, CVE-2006-4565, CVE-2006-4566, CVE-2006-4571)

A buffer overflow has been discovered in the handling of .vcard files.
By tricking a user into importing a malicious vcard into his contacts, this could be exploited to execute arbitrary code with the user's privileges. (CVE-2006-3804)

The NSS library did not sufficiently check the padding of PKCS #1 v1.5 signatures if the exponent of the public key is 3 (which is widely used for CAs). This could be exploited to forge valid signatures without the need of the secret key. (CVE-2006-4340)

Jon Oberheide reported a way how a remote attacker could trick users into downloading arbitrary extensions with circumventing the normal SSL certificate check. The attacker would have to be in a position to spoof the victim's DNS, causing them to connect to sites of the attacker's choosing rather than the sites intended by the victim. If they gained that control and the victim accepted the attacker's cert for the Mozilla update site, then the next update check could be hijacked and redirected to the attacker's site without detection.
(CVE-2006-4567)

Georgi Guninski discovered that even with JavaScript disabled, a malicous email could still execute JavaScript when the message is viewed, replied to, or forwarded by putting the script in a remote XBL file loaded by the message. (CVE-2006-4570)

The 'enigmail' plugin and the translation packages have been updated to work with the new Thunderbird version.

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.

Various flaws have been reported that allow an attacker to execute arbitrary code with user privileges by tricking the user into opening a malicious web page containing JavaScript. (CVE-2006-4253, CVE-2006-4565, CVE-2006-4566, CVE-2006-4568, CVE-2006-4569 CVE-2006-4571)

The NSS library did not sufficiently check the padding of PKCS #1 v1.5 signatures if the exponent of the public key is 3 (which is widely used for CAs). This could be exploited to forge valid signatures without the need of the secret key. (CVE-2006-4340)

Jon Oberheide reported a way how a remote attacker could trick users into downloading arbitrary extensions with circumventing the normal SSL certificate check. The attacker would have to be in a position to spoof the victim's DNS, causing them to connect to sites of the attacker's choosing rather than the sites intended by the victim. If they gained that control and the victim accepted the attacker's cert for the Mozilla update site, then the next update check could be hijacked and redirected to the attacker's site without detection.
(CVE-2006-4567).

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.

Several security related problems have been discovered in Mozilla and derived products such as Mozilla Thunderbird. The Common Vulnerabilities and Exposures project identifies the following vulnerabilities :

  - CVE-2006-2788     Fernando Ribeiro discovered that a vulnerability in the     getRawDER function allows remote attackers to cause a     denial of service (hang) and possibly execute arbitrary     code.

  - CVE-2006-4340     Daniel Bleichenbacher recently described an     implementation error in RSA signature verification that     cause the application to incorrectly trust SSL     certificates.

  - CVE-2006-4565, CVE-2006-4566     Priit Laes reported that a JavaScript regular expression     can trigger a heap-based buffer overflow which allows     remote attackers to cause a denial of service and     possibly execute arbitrary code.

  - CVE-2006-4568     A vulnerability has been discovered that allows remote     attackers to bypass the security model and inject     content into the sub-frame of another site.

  - CVE-2006-4570     Georgi Guninski demonstrated that even with JavaScript     disabled in mail (the default) an attacker can still     execute JavaScript when a mail message is viewed,     replied to, or forwarded.

  - CVE-2006-4571     Multiple unspecified vulnerabilities in Firefox,     Thunderbird and SeaMonkey allow remote attackers to     cause a denial of service, corrupt memory, and possibly     execute arbitrary code.

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

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. 

Users of Firefox are advised to upgrade to these erratum packages, which contain Firefox version 1.5.0.8 that corrects these issues. 


From Red Hat Security Advisory 2006:0733 :

Several flaws were found in the way Firefox processes certain malformed Javascript code.  A malicious web page could cause the execution of Javascript code in such a way that could cause Firefox to crash or execute arbitrary code as the user running Firefox.  (CVE-2006-5463, CVE-2006-5747, CVE-2006-5748)

Several flaws were found in the way Firefox renders web pages.  A malicious web page could cause the browser to crash or possibly execute arbitrary code as the user running Firefox.  (CVE-2006-5464)

A flaw was found in the way Firefox verifies RSA signatures.  For RSA keys with exponent 3 it is possible for an attacker to forge a signature that would be incorrectly verified by the NSS library.  Firefox as shipped trusts several root Certificate Authorities that use exponent 3. An attacker could have created a carefully crafted SSL certificate which be incorrectly trusted when their site was visited by a victim.  This flaw was previously thought to be fixed in Firefox 1.5.0.7, however Ulrich Kuehn discovered the fix was incomplete (CVE-2006-5462)


From Red Hat Security Advisory 2006:0675 :

Two flaws were found in the way Firefox processed certain regular expressions.  A malicious web page could crash the browser or possibly execute arbitrary code as the user running Firefox.  (CVE-2006-4565, CVE-2006-4566)

A number of flaws were found in Firefox.  A malicious web page could crash the browser or possibly execute arbitrary code as the user running Firefox.  (CVE-2006-4571)

A flaw was found in the handling of Javascript timed events.  A malicious web page could crash the browser or possibly execute arbitrary code as the user running Firefox.  (CVE-2006-4253)

Daniel Bleichenbacher recently described an implementation error in RSA signature verification.  For RSA keys with exponent 3 it is possible for an attacker to forge a signature that would be incorrectly verified by the NSS library.  Firefox as shipped trusts several root Certificate Authorities that use exponent 3.  An attacker could have created a carefully crafted SSL certificate which be incorrectly trusted when their site was visited by a victim.  (CVE-2006-4340)

A flaw was found in the Firefox auto-update verification system.  An attacker who has the ability to spoof a victim's DNS could get Firefox to download and install malicious code.  In order to exploit this issue an attacker would also need to get a victim to previously accept an unverifiable certificate.  (CVE-2006-4567)

Firefox did not properly prevent a frame in one domain from injecting content into a sub-frame that belongs to another domain, which facilitates website spoofing and other attacks (CVE-2006-4568)

Firefox did not load manually opened, blocked popups in the right domain context, which could lead to cross-site scripting attacks.  In order to exploit this issue an attacker would need to find a site which would frame their malicious page and convince the user to manually open a blocked popup.  (CVE-2006-4569)


From Red Hat Security Advisory 2006:0610 :

The Mozilla Foundation has discontinued support for the Mozilla Firefox 1.0 branch.  This update deprecates the Mozilla Firefox 1.0 branch in Red Hat Enterprise Linux 4 in favor of the supported Mozilla Firefox 1.5 branch. 

This update also resolves a number of outstanding Firefox security issues :

Several flaws were found in the way Firefox processed certain javascript actions.  A malicious web page could execute arbitrary javascript instructions with the permissions of 'chrome', allowing the page to steal sensitive information or install browser malware.  (CVE-2006-2776, CVE-2006-2784, CVE-2006-2785, CVE-2006-2787, CVE-2006-3807, CVE-2006-3809, CVE-2006-3812)

Several denial of service flaws were found in the way Firefox processed certain web content.  A malicious web page could crash the browser or possibly execute arbitrary code as the user running Firefox. (CVE-2006-2779, CVE-2006-2780, CVE-2006-3801, CVE-2006-3677, CVE-2006-3113, CVE-2006-3803, CVE-2006-3805, CVE-2006-3806, CVE-2006-3811)

A cross-site scripting flaw was found in the way Firefox processed Unicode Byte-Order-Mark (BOM) markers in UTF-8 web pages.  A malicious web page could execute a script within the browser that a web input sanitizer could miss due to a malformed 'script' tag.  (CVE-2006-2783)

Several flaws were found in the way Firefox processed certain javascript actions.  A malicious web page could conduct a cross-site scripting attack or steal sensitive information (such as cookies owned by other domains).  (CVE-2006-3802, CVE-2006-3810)

A form file upload flaw was found in the way Firefox handled javascript input object mutation.  A malicious web page could upload an arbitrary local file at form submission time without user interaction. (CVE-2006-2782)

A denial of service flaw was found in the way Firefox called the crypto.signText() javascript function.  A malicious web page could crash the browser if the victim had a client certificate loaded. (CVE-2006-2778)

Two HTTP response smuggling flaws were found in the way Firefox processed certain invalid HTTP response headers.  A malicious web site could return specially crafted HTTP response headers which may bypass HTTP proxy restrictions.  (CVE-2006-2786)

A flaw was found in the way Firefox processed Proxy AutoConfig scripts. A malicious Proxy AutoConfig server could execute arbitrary javascript instructions with the permissions of 'chrome', allowing the page to steal sensitive information or install browser malware.  (CVE-2006-3808)

A double free flaw was found in the way the nsIX509::getRawDER method was called.  If a victim visited a carefully crafted web page, it was possible to execute arbitrary code as the user running Firefox. (CVE-2006-2788)

ID	名前	製品	ファミリー	公開日	更新日	深刻度
22426	CentOS 4 : thunderbird (CESA-2006:0677)	Nessus	CentOS Local Security Checks	2006/9/22	2021/1/4	critical
67424	Oracle Linux 4 : thunderbird (ELSA-2006-0735 / ELSA-2006-0677 / ELBA-2006-0624 / ELSA-2006-0611)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2021/1/14	critical
22505	GLSA-200610-01 : Mozilla Thunderbird: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	2006/10/5	2021/1/6	critical
27930	Ubuntu 5.10 : mozilla-thunderbird vulnerabilities (USN-350-1)	Nessus	Ubuntu Local Security Checks	2007/11/10	2021/1/19	critical
27931	Ubuntu 6.06 LTS : firefox vulnerabilities (USN-351-1)	Nessus	Ubuntu Local Security Checks	2007/11/10	2021/1/19	critical
22733	Debian DSA-1192-1 : mozilla - several vulnerabilities	Nessus	Debian Local Security Checks	2006/10/14	2021/1/4	critical
67422	Oracle Linux 4 : firefox (ELSA-2006-0733 / ELSA-2006-0675 / ELSA-2006-0610)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2021/1/14	critical

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