Unspecified vulnerability in the CoreTelephony component in Apple iPhone OS before 3.0.1 allows remote attackers to execute arbitrary code, obtain GPS coordinates, or enable the microphone via an SMS message that triggers memory corruption, as demonstrated by Charlie Miller at SyScan '09 Singapore.
http://www.vupen.com/english/advisories/2009/2105
http://www.syscan.org/Sg/program.html
http://www.securityfocus.com/bid/35569
http://support.apple.com/kb/HT3754
http://securitytracker.com/id?1022626
http://secunia.com/advisories/36070
http://news.cnet.com/8301-1009_3-10278472-83.html
http://lists.apple.com/archives/security-announce/2009/Jul/msg00001.html