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                         AUSCERT Security Bulletin

                               ASB-2009.1060
        Security vulnerabilities corrected in f5 BIG-IP ASM and PSM
                              24 August 2009

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

Product:              BIG-IP ASM
                      BIG-IP PSM
Operating System:     Network Appliance
Impact/Access:        Denial of Service -- Remote/Unauthenticated
Resolution:           Patch/Upgrade
Member content until: Wednesday, September 23 2009

OVERVIEW

        A security vulnerability has been identified in the BIG-IP 
        Application Security Manager and Protocol Security Manager daemons.


IMPACT

        The vendor has provided the following information regarding this
        vulnerability:
        
        "The BIG-IP Application Security Manager (ASM) and Protocol 
        Security Manager (PSM) bd daemon is vulnerable to a remote buffer 
        overflow which may cause the system to crash and dump core." [1]
        
        This vulnerability affects the following products [1]:
        
        o BIG-IP ASM versions 9.4.4 - 9.4.7
        o BIG-IP ASM versions 10.0.0 - 10.0.1
        o BIG-IP PSM versions 9.4.5 - 9.4.7
        o BIG-IP PSM versions 10.0.0 - 10.0.1 


MITIGATION

        f5 have released the following hotfixes to address this 
        vulnerability:
        
        o Hotfix-BIGIP-9.4.6-425.0-HF3 issued for BIG-IP version 9.4.6
        o Hotfix-BIGIP-9.4.7-333.0-HF2 issued for BIG-IP version 9.4.7
        o Hotfix-BIGIP-10.0.0-5519.0-HF3 issued for BIG-IP version 10.0.0
        o Hotfix-BIGIP-10.0.1-354.0-HF2 issued for BIG-IP version 10.0.1
        
        which are available from the f5 downloads site. [2]


REFERENCES

        [1] SOL10417: BIG-IP ASM and PSM remote buffer overflow exploit
            https://support.f5.com/kb/en-us/solutions/public/10000/400/sol10417.html

        [2] f5 Networks - Downloads Overview
            https://downloads.f5.com/esd/index.jsp

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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