Overnight Opencart stopped working, 500 Errors on front end, backend works

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Post by stinn » Thu May 11, 2017 10:18 pm

Hello All,
Quite confused this morning so I hope someone can help. Went to bed last night with a working system and woke up this morning with a broken one. I'm getting 500 errors on the front end, the only error that logs is:

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Fatal error: Call to undefined method Exception::getClass() in /var/www/html/system/engine/front.php on line 61
I think this comes from the Journal Theme I have installed, which I am going to try to update, but it's been logging this error since the beginning and always worked.
In the Opencart Error log I do have a block of this from last night, related?

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2017-05-10 22:59:14 - PHP Notice:  Indirect modification of overloaded property ControllerExtensionPayment::$data has no effect in /var/www/html/admin/controller/extension/payment.php on line 8
2017-05-10 22:59:14 - PHP Notice:  Indirect modification of overloaded property ControllerExtensionPayment::$data has no effect in /var/www/html/admin/controller/extension/payment.php on line 10
2017-05-10 22:59:14 - PHP Notice:  Indirect modification of overloaded property ControllerExtensionPayment::$data has no effect in /var/www/html/admin/controller/extension/payment.php on line 16
2017-05-10 22:59:14 - PHP Notice:  Indirect modification of overloaded property ControllerExtensionPayment::$data has no effect in /var/www/html/admin/controller/extension/payment.php on line 22
2017-05-10 22:59:14 - PHP Notice:  Indirect modification of overloaded property ControllerExtensionPayment::$data has no effect in /var/www/html/admin/controller/extension/payment.php on line 24
2017-05-10 22:59:14 - PHP Notice:  Indirect modification of overloaded property ControllerExtensionPayment::$data has no effect in /var/www/html/admin/controller/extension/payment.php on line 25
2017-05-10 22:59:14 - PHP Notice:  Indirect modification of overloaded property ControllerExtensionPayment::$data has no effect in /var/www/html/admin/controller/extension/payment.php on line 27
2017-05-10 22:59:14 - PHP Notice:  Indirect modification of overloaded property ControllerExtensionPayment::$data has no effect in /var/www/html/admin/controller/extension/payment.php on line 28
2017-05-10 22:59:14 - PHP Notice:  Indirect modification of overloaded property ControllerExtensionPayment::$data has no effect in /var/www/html/admin/controller/extension/payment.php on line 29
2017-05-10 22:59:14 - PHP Notice:  Indirect modification of overloaded property ControllerExtensionPayment::$data has no effect in /var/www/html/admin/controller/extension/payment.php on line 30
2017-05-10 22:59:14 - PHP Notice:  Indirect modification of overloaded property ControllerExtensionPayment::$data has no effect in /var/www/html/admin/controller/extension/payment.php on line 37
2017-05-10 22:59:14 - PHP Notice:  Indirect modification of overloaded property ControllerExtensionPayment::$data has no effect in /var/www/html/admin/controller/extension/payment.php on line 45
2017-05-10 22:59:14 - PHP Notice:  Indirect modification of overloaded property ControllerExtensionPayment::$data has no effect in /var/www/html/admin/controller/extension/payment.php on line 60
When I looked at my payment extensions this morning they were all listed as "uninstalled". I installed the two that I normally have which didn't solve anything.
The last weird thing I can report is that there was no .htaccess file in the root directory this morning, I know it was there as it always has been. I restored from a backup which didn't help.
The backend of the site works, unless I try to view an order then i get a popup with the same 500 errors.

Please help me track this down!
stinn
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Re: Overnight Opencart stopped working, 500 Errors on front end, backend works

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Post by captainmatt29 » Thu May 11, 2017 11:17 pm

I'd be more concerned about your server being potentially compromised right now as what you have described is indicative of this.
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Re: Overnight Opencart stopped working, 500 Errors on front end, backend works

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Post by stinn » Thu May 11, 2017 11:27 pm

I have updated the journal theme and gotten rid of the only error I was getting.
I cannot find evidence of the server being compromised, i've checked secure logs and last logins and nothing showed up there. Anything you'd suggest I'd look for?
stinn
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Re: Overnight Opencart stopped working, 500 Errors on front end, backend works

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Post by captainmatt29 » Thu May 11, 2017 11:31 pm

Perhaps the backup restoration broke the site since you may have made changes prior or was this to try and resolve the issue ?
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Re: Overnight Opencart stopped working, 500 Errors on front end, backend works

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Post by stinn » Fri May 12, 2017 1:09 am

The backup restore was to try to fix this issue. It seems a number of files have disappeared, I have contacted my VPS company to see if there are hard disk issues. This is quite concerning.
stinn
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Re: Overnight Opencart stopped working, 500 Errors on front end, backend works

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Post by stinn » Fri May 12, 2017 2:33 am

Definitely an exploit of some sort :( found malicious code.
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