suse-security-announce June 2007 archive
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suse-security-announce: [security-announce] SUSE Security Announ

[security-announce] SUSE Security Announcement: Mozilla Firefox, Thunderbird, Seamonkey (SUSE-SA:2007:036)

From: Marcus Meissner <meissner_at_nospam>
Date: Wed Jun 27 2007 - 13:10:40 GMT

Hash: SHA1

SUSE Security Announcement Package: mozilla,MozillaFirefox,MozillaThunderbird Announcement ID: SUSE-SA:2007:036 Date: Wed, 27 Jun 2007 15:00:00 +0000 Affected Products: SUSE LINUX 10.0 SUSE LINUX 10.1 openSUSE 10.2 UnitedLinux 1.0 SuSE Linux Enterprise Server 8 SuSE Linux Openexchange Server 4 SuSE Linux Standard Server 8 SuSE Linux School Server SUSE LINUX Retail Solution 8 SUSE SLES 9 Novell Linux Desktop 9 Open Enterprise Server Novell Linux POS 9 SUSE Linux Enterprise Desktop 10 SP1 SUSE Linux Enterprise Server 10 SP1 Vulnerability Type: remote code execution Severity (1-10): 7 SUSE Default Package: yes Cross-References: CVE-2007-1362, CVE-2007-1558, CVE-2007-1562 CVE-2007-2867, CVE-2007-2868, CVE-2007-2869 CVE-2007-2870, CVE-2007-2871, MFSA 2007-11 MFSA 2007-12, MFSA 2007-13, MFSA 2007-14 MFSA 2007-15, MFSA 2007-16, MFSA 2007-17 Content of This Advisory: 1) Security Vulnerability Resolved: Mozilla security problems Problem Description 2) Solution or Work-Around 3) Special Instructions and Notes 4) Package Location and Checksums 5) Pending Vulnerabilities, Solutions, and Work-Arounds: See SUSE Security Summary Report 6) Authenticity Verification and Additional Information ______________________________________________________________________________
  1. Problem Description and Brief Discussion

   Various Mozilla family browsers have been updated to their current    security release versions.

   The Mozilla Seamonkey suite was brought to security update version    1.0.9.

   The Mozilla Firefox browser was brought to security update version on Novell Linux Desktop 9 and on SUSE Linux Enterprise    10, SUSE Linux 10.0, 10.1 and openSUSE 10.2.

   The Mozilla Thunderbird mailreader was brought to security update    version on SUSE Linux 10.0, 10.1 and openSUSE 10.2.

   Note that most of the packages were released some weeks ago already,    only MozillaFirefox for SLE10 Service Pack 1 was missing and released    today.

   The following security issues have been fixed:

  • MFSA 2007-17 / CVE-2007-2871:
Chris Thomas demonstrated that XUL popups opened by web content could be placed outside the boundaries of the content area. This could be used to spoof or hide parts of the browser chrome such as the location bar.
  • MFSA 2007-16 / CVE-2007-2870:
Mozilla contributor moz_bug_r_a4 demonstrated that the addEventListener method could be used to inject script into another site in violation of the browser's same-origin policy. This could be used to access or modify private or valuable information from that other site.
  • MFSA 2007-15 / CVE-2007-1558:
Gaƫtan Leurent informed us of a weakness in APOP authentication that could allow an attacker to recover the first part of your mail password if the attacker could interpose a malicious mail server on your network masquerading as your legitimate mail server. With normal settings it could take several hours for the attacker to gather enough data to recover just a few characters of the password. This result was presented at the Fast Software Encryption 2007 conference.
  • MFSA 2007-14 / CVE-2007-1362:
Nicolas Derouet reported two problems with cookie handling in Mozilla clients. Insufficient length checks could be use to exhaust browser memory and so to crash the browser or at least slow it done by a large degree. The second issue was that the cookie path and name values were not checked for the presence of the delimiter used for internal cookie storage, and if present this confused future interpretation of the cookie data. This is not considered to be exploitable.
  • MFSA 2007-13 / CVE-2007-2869:
Marcel reported that a malicious web page could perform a denial of service attack against the form autocomplete feature that would persist from session to session until the malicious form data was deleted. Filling a text field with millions of characters and submitting the form will cause the victim's browser to hang for up to several minutes while the form data is read, and this will happen the first time autocomplete is triggered after every browser restart. No harm is done to the user's computer, but the frustration caused by the hang could prevent use of Thunderbird if users don't know how to clear the bad state.
  • MFSA 2007-12 / CVE-2007-2867 / CVE-2007-2868
As part of the Thunderbird and update releases Mozilla developers fixed many bugs to improve the stability of the product. Some of these crashes that 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. Without further investigation we cannot rule out the possibility that for some of these an attacker might be able to prepare memory for exploitation through some means other than JavaScript, such as large images.
  • MFSA 2007-11 / CVE-2007-1562:
Incorrect FTP PASV handling could be used by malicious ftp servers to do a rudimentary port scanning of for instance internal networks of the computer the browser is running on.

2) Solution or Work-Around

   There is no known workaround, please install the update packages.

3) Special Instructions and Notes

   Please restart running instances of the Mozilla browsers.

4) Package Location and Checksums

   The preferred method for installing security updates is to use the YaST    Online Update (YOU) tool. YOU detects which updates are required and    automatically performs the necessary steps to verify and install them.    Alternatively, download the update packages for your distribution manually    and verify their integrity by the methods listed in Section 6 of this    announcement. Then install the packages using the command

     rpm -Fhv <file.rpm>

   to apply the update, replacing <file.rpm> with the filename of the    downloaded RPM package.

   x86 Platform:

   openSUSE 10.2:











   SUSE LINUX 10.1:










   SUSE LINUX 10.0:















   Power PC Platform:

   openSUSE 10.2:











   SUSE LINUX 10.1:










   SUSE LINUX 10.0:















   x86-64 Platform:

   openSUSE 10.2:











   SUSE LINUX 10.1:










   SUSE LINUX 10.0:














   openSUSE 10.2:




   SUSE LINUX 10.1:



   SUSE LINUX 10.0:







   Our maintenance customers are notified individually. The packages are    offered for installation from the maintenance web:

   Open Enterprise Server
   Novell Linux POS 9

   SUSE Linux Enterprise Server 10 SP1
   SUSE Linux Enterprise Desktop 10 SP1

   Novell Linux Desktop 9 Novell Linux Desktop 9 for x86

   UnitedLinux 1.0
   SuSE Linux Openexchange Server 4
   SuSE Linux Enterprise Server 8
   SuSE Linux Standard Server 8
   SuSE Linux School Server
   SUSE LINUX Retail Solution 8

5) Pending Vulnerabilities, Solutions, and Work-Arounds:

   See SUSE Security Summary Report

6) Authenticity Verification and Additional Information

  • Announcement authenticity verification:

    SUSE security announcements are published via mailing lists and on Web     sites. The authenticity and integrity of a SUSE security announcement is     guaranteed by a cryptographic signature in each announcement. All SUSE     security announcements are published with a valid signature.

    To verify the signature of the announcement, save it as text into a file     and run the command

      gpg --verify <file>

    replacing <file> with the name of the file where you saved the     announcement. The output for a valid signature looks like: gpg: Signature made <DATE> using RSA key ID 3D25D3D9 gpg: Good signature from "SuSE Security Team <>"

    where <DATE> is replaced by the date the document was signed.

    If the security team's key is not contained in your key ring, you can     import it from the first installation CD. To import the key, use the     command

      gpg --import gpg-pubkey-3d25d3d9-36e12d04.asc

  • Package authenticity verification:

    SUSE update packages are available on many mirror FTP servers all over the     world. While this service is considered valuable and important to the free     and open source software community, the authenticity and the integrity of     a package needs to be verified to ensure that it has not been tampered     with.

    There are two verification methods that can be used independently from     each other to prove the authenticity of a downloaded file or RPM package:

  1. Using the internal gpg signatures of the rpm package
  2. MD5 checksums as provided in this announcement
  3. The internal rpm package signatures provide an easy way to verify the authenticity of an RPM package. Use the command

        rpm -v --checksig <file.rpm> to verify the signature of the package, replacing <file.rpm> with the filename of the RPM package downloaded. The package is unmodified if it contains a valid signature from with the key ID 9C800ACA. This key is automatically imported into the RPM database (on RPMv4-based distributions) and the gpg key ring of 'root' during installation. You can also find it on the first installation CD and at the end of this announcement. 2) If you need an alternative means of verification, use the md5sum command to verify the authenticity of the packages. Execute the command md5sum <filename.rpm> after you downloaded the file from a SUSE FTP server or its mirrors. Then compare the resulting md5sum with the one that is listed in the SUSE security announcement. Because the announcement containing the checksums is cryptographically signed (by, the checksums show proof of the authenticity of the package if the signature of the announcement is valid. Note that the md5 sums published in the SUSE Security Announcements are valid for the respective packages only. Newer versions of these packages cannot be verified.

  • SUSE runs two security mailing lists to which any interested party may subscribe:

  • General Linux and SUSE security discussion. All SUSE security announcements are sent to this list. To subscribe, send an e-mail to <>.

  • SUSE's announce-only mailing list. Only SUSE's security announcements are sent to this list. To subscribe, send an e-mail to <>.

    SUSE's security contact is <> or <>.     The <> public key is listed below.

    The information in this advisory may be distributed or reproduced,     provided that the advisory is not modified in any way. In particular, the     clear text signature should show proof of the authenticity of the text.

    SUSE Linux Products GmbH provides no warranties of any kind whatsoever     with respect to the information contained in this security advisory.

Type Bits/KeyID Date User ID
pub 2048R/3D25D3D9 1999-03-06 SuSE Security Team <> pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <>

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