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AA-2008.0148                  AUSCERT Advisory

                             [Win][UNIX/Linux]
         Thunderbird 2.0.0.14 is vulnerable to five of the recent
                 security vulnerabilities in AA-2008.0147
                                3 July 2008
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        AusCERT Advisory Summary
        ------------------------

Product:              Thunderbird 2.0.0.14 and prior
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact:               Execute Arbitrary Code/Commands
                      Denial of Service
                      Provide Misleading Information
Access:               Remote/Unauthenticated
CVE Names:            CVE-2008-2798 CVE-2008-2799 CVE-2008-2802
                      CVE-2008-2803 CVE-2008-2809 CVE-2008-2811
Member content until: Thursday, July 31 2008

Ref:                  AA-2008.0147

OVERVIEW

        Thunderbird 2.0.0.14 is vulnerable to five of the recent security
        vulnerabilities in AA-2008.0147. [1,2,3,4,5]


DETAILS

        Thunderbird 2.0.0.14 (and prior) is vulnerable to the following:
         - MFSA 2008-21  Crashes with evidence of memory corruption (rv:1.8.1.15)
         - MFSA 2008-24  Chrome script loading from fastload file
         - MFSA 2008-25  Arbitrary code execution in mozIJSSubScriptLoader.loadSubScript()
         - MFSA 2008-31  Peer-trusted certs can use alt names to spoof
         - MFSA 2008-33  Crash and remote code execution in block reflow

        Four of these vulnerabilities have been rated Critical by the
        Mozilla Foundation. [1,2,3,5]


MITIGATION

        Users of Thunderbird 2.0.0.14 are recommended to disable JavaScript
        until an update is available. This should mitigate against the four
        critical vulnerabilities. [1,2,3,5]

        For the vulnerability rated "Moderate" (MFSA 2008-31) be mindful
        of self-signed certificates and the information they contain when
        accepting them. [4]


REFERENCES

        [1] Mozilla Foundation Security Advisory 2008-21
            http://www.mozilla.org/security/announce/2008/mfsa2008-21.html

        [2] Mozilla Foundation Security Advisory 2008-24
            http://www.mozilla.org/security/announce/2008/mfsa2008-24.html

        [3] Mozilla Foundation Security Advisory 2008-25
            http://www.mozilla.org/security/announce/2008/mfsa2008-25.html

        [4] Mozilla Foundation Security Advisory 2008-31
            http://www.mozilla.org/security/announce/2008/mfsa2008-31.html

        [5] Mozilla Foundation Security Advisory 2008-33
            http://www.mozilla.org/security/announce/2008/mfsa2008-33.html


AusCERT has made every effort to ensure that the information contained
in this document is accurate.  However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.

If you believe that your computer system has been compromised or attacked in 
any way, we encourage you to let us know by completing the secure National IT 
Incident Reporting Form at:

        http://www.auscert.org.au/render.html?it=3192

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
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