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Vulnerable Regular Expression #10
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Yes, thanks for your report! We will fix this high security problem as soon as possible! |
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Can you send me the example to my email fengmk2#gmail.com? |
fengmk2
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only allow max 10 spaces and 100 charset string closes #10
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fengmk2
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Sep 7, 2017
only allow max 10 spaces and 100 charset string closes #10
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The following regular expression used for parsing the HTTP header is vulnerable to ReDoS:
/(?:charset|encoding)\s*=\s*['"]? *([\w\-]+)/iThe slowdown is moderate: for 30.000 characters around 4 seconds matching time. I would suggest one of the following:
If needed, I can provide an actual example showing the slowdown.
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