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Exploiting PHP deserialization with a pre-built gadget chain - getting error

hawk | Last updated: May 28, 2021 03:04PM UTC

Hi I Checked multiple times and all my encryption and secret keys are correct but then also I am getting below error - please help Internal Server Error: Symfony Version: 4.3.6 PHP Fatal error: Uncaught Exception: Signature does not match session in /var/www/index.php:7 Stack trace: #0 {main} thrown in /var/www/index.php on line 7 Thanks

Michelle, PortSwigger Agent | Last updated: Jun 01, 2021 02:12PM UTC

Could you send some screenshots or a screen recording of the steps you are taking to support@portswigger.net so we can take a closer look, please?

hawk | Last updated: Jun 05, 2021 06:11AM UTC

Ok, I send all the steps to reproduce to support team with screenshots attached. thanks

hawk | Last updated: Jun 05, 2021 09:01AM UTC

I solved the problem. The solution given is correct. Thanks

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