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[vulnerability] Scripts via document.writeln() are not hooked #208

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t2ym opened this issue Jan 4, 2018 · 0 comments
Closed

[vulnerability] Scripts via document.writeln() are not hooked #208

t2ym opened this issue Jan 4, 2018 · 0 comments
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vulnerability

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t2ym commented Jan 4, 2018

[vulnerability] Scripts via document.writeln() are not hooked

Root Cause

Native API hooking is just missing.

Possible Fix

Hook document.writeln() as in document.write()

Workaround

  • Option 1: Prohibit access to document.writeln in ACL
  • Option 2: Remove Document.prototype.writeln property
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