29 December 2009
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT Security Bulletin ASB-2009.1171 BIG-IP ASM and PSM remote buffer overflow vulnerability 30 December 2009 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: BIG-IP ASM versions 9.4.4 - 9.4.7 BIG-IP ASM versions 10.0.0 - 10.0.1 BIG-IP PSM versions 9.4.5 - 9.4.7 BIG-IP PSM versions 10.0.0 - 10.0.1 Operating System: Network Appliance Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2009-4420 Member content until: Friday, January 29 2010 OVERVIEW f5 have released a number of HotFixes for BIG-IP correcting a remote buffer overflow vulnerability. IMPACT The vendor has provided the following information regarding this vulnerability: BIG-IP ASM and PSM remote buffer overflow exploit: CVE-2009-4420 "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."  MITIGATION The following hotfixes correct the issue for their respective versions: Hotfix-BIGIP-9.4.6-425.0-HF3 issued for BIG-IP version 9.4.6 Hotfix-BIGIP-9.4.7-333.0-HF2 issued for BIG-IP version 9.4.7 Hotfix-BIGIP-10.0.0-5519.0-HF3 issued for BIG-IP version 10.0.0 Hotfix-BIGIP-10.0.1-354.0-HF2 issued for BIG-IP version 10.0.1. These HotFixes are available for download from the vendor's website.  REFERENCES  SOL10417: BIG-IP ASM and PSM remote buffer overflow exploit https://support.f5.com/kb/en-us/solutions/public/10000/400/sol10417.html  F5 - Downloads 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 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: firstname.lastname@example.org 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. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iD8DBQFLOrZwNVH5XJJInbgRAuSPAJ0WajHOJ7bcMUMggR4aLwXHukSm7ACeNzh0 eO35fHnrg/ZTyd8KklAT0Jc= =G6Fj -----END PGP SIGNATURE-----