Security questions related to Drupal.

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15
votes
4answers
1k views

What are the security threats of zip file uploads and what preventive actions should be taken?

We have a Drupal application developed for sharing files. We are allowing zip files to be uploaded by logged in departmental user. We are using Drupal private file system (outside webroot). We are ...
2
votes
1answer
894 views

ALERT - ASCII-NUL chars not allowed within request variables

In a Drupal site, I get this error in my Debian's syslog: suhosin[9413]: ALERT - ASCII-NUL chars not allowed within request variables - dropped variable 'name' (attacker 'x.x.x.x', file ...
7
votes
2answers
661 views

Drupal filters XSS with regexes. What could bypass it?

Drupal filters HTML strings against XSS attacks using regexes: http://api.drupal.org/api/drupal/includes%21common.inc/function/filter_xss/7 However, as a lot of people know, HTML can't be parsed with ...
1
vote
3answers
2k views

How to exploit DRUPAL-SA-CORE-2012-003

I have read the security notices and understand that it "would allow an attacker to reinstall an existing Drupal site with an external database server and then execute custom PHP code". According to ...