Custom Vulnerability to Block Old Browser Versions

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Custom Vulnerability to Block Old Browser Versions

L0 Member

Would anyone know how to properly identify and block old browser versions using custom vulnerability object? I need help with the proper "pattern" to use to be able to identify the version. I know that there is the following guide:


But this guide is generic and detects all chrome version using pattern: "Chrome\/". What if I would like to block specific "Chrome/106.0.5249.119" version? How do I write the pattern? I was only able to successfully use "Chrome\/106 " but I am having issues when I added the rest of the succeeding numbers such as "Chrome\/106\.0\.5249\.119". Any help would be appreciated. 

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Accepted Solutions

L6 Presenter

L6 Presenter

Did you try adding adding ( )  (Chrome\/106\.0\.5249\.119) as you are using regex signature match not just Pattern_match operator ( ). Maybe also see

Thank you Nikoolayy1, this seemed to resolve the issue and it is now matching what I want. 

L1 Bithead

Hello Team, excuse me 

How I can block a Chrome versions less than or equal to 105, we try whit these: Chrome\/(0|[1-9][0-9]?|10[0-5])\. and these (Chrome/([1-9][0-9]10[0-5])), but isn't working. 

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