Need help for description of RTF structure

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I am researching RTF exploit.
But I have one question.
I found that if I change "01050000020000000b000000" value of objdata tag, EQNEDT doesn't work.
What is the value?
I want to know about this value meaning.
Thanks for reading my question.

What I have tried:

I tried to find the meaning of the value. But no posts describe about the value meaning.

Posted 17-Feb-20 13:51pm

Eric Samin

Updated 18-Feb-20 0:57am

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Richard MacCutchan 18-Feb-20 3:53am

What is RTF, what is that value, what is EQNEDT?

Eric Samin 18-Feb-20 19:50pm

RTF stands for Rich Text Editor. It is an old document type. But many text editor(Wordpad, office, etc) allow RTF. So you can see the RTF document with Wordpad which is made from office word. And I don't understand that value until now.
EQNEDT is the Equation Editor of Windows Common Tool.

Richard MacCutchan 19-Feb-20 3:31am

"RTF stands for Rich Text Editor"
I assume you actually mean "Rich Text Format. In which case see phil.o's solution below, and windows rtf - Google Search[^]. I have no idea what you mean by "Equation Editor of Windows Common Tool".

Eric Samin 19-Feb-20 4:23am

I am sorry, you are right. But I didn't have a question to teach you. I have no enough time to teach you about that. It is easy. So If you want to know about that, please try yourself.

CHill60 19-Feb-20 7:41am

I think Richard was trying to indicate that your question was not very clear

Eric Samin 19-Feb-20 11:18am

If so, I am sorry for Richard. My question is to understand RTF exploit in a word.

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phil.o · Answer 1 · 2020-02-18T00:58:00

Solution 1

Here's a wiki page describing this proprietary format:
Rich Text Format - Wikipedia[^]

And here's a page which explicits the specification of the version 1.5:
Rich Text Format (RTF) Version 1.5 Specification[^]

Posted 18-Feb-20 0:58am

phil.o