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Files from Stale Pettersen

PHP Laravel Framework Token Unserialize Remote Command Execution

Posted Jul 15, 2019

Authored by aushack, Stale Pettersen | Site metasploit.com

This Metasploit module exploits a vulnerability in the PHP Laravel Framework for versions 5.5.40, 5.6.x up to 5.6.29. Remote command execution is possible via a correctly formatted HTTP X-XSRF-TOKEN header, due to an insecure unserialize call of the decrypt method in Illuminate/Encryption/Encrypter.php. Authentication is not required, however exploitation requires knowledge of the Laravel APP_KEY. Similar vulnerabilities appear to exist within Laravel cookie tokens based on the code fix. In some cases the APP_KEY is leaked which allows for discovery and exploitation.

tags | exploit, remote, web, php, vulnerability

advisories | CVE-2017-16894, CVE-2018-15133

SHA-256 | 89a708ff133e6615ee3040a41d60178a5e2e6c21344ec723424eb420b1cc5b8c

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