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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT Security Bulletin ASB-2011.0036 Vulnerability is Skype for Mac 9 May 2011 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Skype Operating System: Mac OS X Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Resolution: Patch/Upgrade Member content until: Wednesday, June 8 2011 OVERVIEW A vulnerability in Skype for Mac has been found. [1,2] IMPACT The reported vulnerability allows a remote attacker to execute code on a victim's computer by sending a specially crafted message. [2] MITIGATION Skype has released version 5.1.0.922 to correct the problem [3]. Currently the update is a manual one, but Skype should be pushing out the patch next week. [2] One partial mitigation, is to set Skype to only allow messages from your Contacts. [1] REFERENCES [1] Unpatched Exploit: Skype for MAC http://isc.sans.edu/diary.html?storyid=10837 [2] Skype 0day vulnerabilitiy discovered by Pure Hacking http://www.purehacking.com/blogs/gordon-maddern/skype-0day-vulnerabilitiy-discovered-by-pure-hacking [3] Download Skype 5.1 for Mac http://www.skype.com/intl/en/get-skype/on-your-computer/macosx 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. =========================================================================== 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. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iD8DBQFNx38C/iFOrG6YcBERAikAAJ9Dw/hmdI/KpmGaeIUNWm1ZjwV5CwCgxFrt oEF9bpviTQpa4obXRWy07lk= =oerB -----END PGP SIGNATURE-----