AusCERT - ASB-2009.1049.2 - UPDATE [Win][UNIX/Linux] WordPress prior to 2.8.4: Denial of service

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ASB-2009.1049.2 - UPDATE [Win][UNIX/Linux] WordPress prior to 2.8.4: Denial of service - Remote/unauthenticated

Date: 14 August 2009
Related Files: ASB-2009.1049

Click here for printable version

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                         AUSCERT Security Bulletin

                              ASB-2009.1049.2
               A new version of WordPress has been released
                              14 August 2009

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:              WordPress prior to 2.8.4
Operating System:     Windows
                      UNIX variants (UNIX, Linux, OSX)
Impact/Access:        Denial of Service -- Remote/Unauthenticated
Resolution:           Patch/Upgrade
CVE Names:            CVE-2009-2762  
Member content until: Saturday, September 12 2009

Revision History:     August 14 2009: Added CVE
                      August 13 2009: Initial Release

OVERVIEW

        WordPress 2.8.4 has been released fixing a vulnerability.


IMPACT

        Through the use of a specially crafted URL, this vulnerability could 
        allow an attacker to bypass a security check when verifying a user 
        requested password reset. This resulted in the "...first account 
        without a key in the database (usually the admin account)..." having
        its password reset and emailed to the owner of the account. [1]


MITIGATION

        The vendor recommends upgrading to the latest version of WordPress. [1]


REFERENCES

        [1] WordPress: 2.8.4: Security Release
            http://wordpress.org/development/2009/08/2-8-4-security-release/

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

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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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