During a recent engagement, I came accross a Symfony 1 application which contained several deserialization from untrusted user inputs.
However, there was no public gadget chains available for Symfony 1, only for Symfony 2 and onwards. So I decided to look for gadgets for the version of the audited application. I finally expanded the work to all versions of Symfony 1 as a challenge, from 1.
Read more →An unrestricted file upload in Wordpress Tatsubuilder plugin version <= 3.3.11 enables an unauthenticated attacker to perform a remote code execution (RCE) on the server host due to multiple weaknesses in font import feature and put 100,000 websites at risk.
The add_custom_font action can be used by anonymous users to upload a rogue zip file which is uncompressed under the public wordpress upload directory.
Read more →This article provides a detailed walkthrough and tips on how to exploit PHP unserialize vulnerability. It is based on a real world case: Wordpress plugin All in one SEO pack <= 4.1.0.1.
It enables authenticated users with “aioseo_tools_settings” privilege (most of the time admin) to execute arbitrary code on the underlying host.
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