Description
The DNAv4 protocol implementation in the DHCP component in Apple iOS before 6 sends Wi-Fi packets containing a MAC address of a host on a previously used network, which might allow remote attackers to obtain sensitive information about previous device locations by sniffing an unencrypted Wi-Fi network for these packets.
References
- APPLE-SA-2012-09-19-1 vendor-advisory
- http://support.apple.com/kb/HT5503
- apple-ios-dhcp-cve20123725(78720) vdb-entry