Entries tagged acon

Related tags: random, setuid.

So cunning you could brush your teeth with it.

Wednesday, 8 October 2008

Lets take a look at a new tool available to Lenny & Sid:

apt-get source acon
int main(int argc,char **argv)
{
        int i,tty,useunicode=0;
        char *fontf=0,*translationf=0,*keymapf=0;

        get_ids();
        set_user_id();

        /*Read configure file if no input options*/
        if(argc<2)
        {
                char *env;
                FILE *fp;
                char font[300],translation[300],keymap[300];
                char tmp[300];

                font[0]=translation[0]=keymap[0]=0;
                if((env=getenv("HOME")))
                        sprintf(tmp,"%s/.acon.conf",env);
                else
                        strcpy(tmp,"/etc/acon.conf");

Hmmm. Nice use of the environment there. I wonder what permissions the binary has:

skx@gold:~$ ls -l /usr/bin/acon
-rwsr-xr-x 1 root root 48672 2008-06-09 10:50 /usr/bin/acon

setuid(0) - just say no.

ObTitle: Blackadder II

| 13 comments.

 

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