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AT+XAPP Vulnerability
Used as an injection vector for the current iPhone 3G and iPhone 3GS unlock payloads - ultrasn0w 0.93. Currently available in all baseband versions until 05.13.04.
Credit
Exploit
There is a stack overflow in the AT+XAPP="..." command, which allows unsigned code execution on the X-Gold 608.
at+xapp="00000000000000000000000000000000000000000000000000000"
applying a string more than 52 characters will trigger the overflow
Implementation
The exploit is used by the dev team in ultrasn0w 0.93 which is able to unlock 4.26.08, 5.11.07, 5.12.01 and 5.13.04 BB firmwares
Category: Baseband Exploits
