Description
Cross-site request forgery (CSRF) vulnerability in system_firmware_restorefullbackup.php in the WebGUI in pfSense before 2.2.1 allows remote attackers to hijack the authentication of administrators for requests that delete arbitrary files via the deletefile parameter.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- pfSense 2.2 - Multiple Vulnerabilities EDB-36506 · webapps · Mar 26, 2015
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 20150325 Arbitrary file deletion and multiple XSS vulnerabilities in pfSense mailing-list
- https://www.pfsense.org/security/advisories/pfSense-SA-15_04.webgui.asc
- http://packetstormsecurity.com/files/131022/pfSense-2.2-Cross-Site-Request-Forgery-Cross-Site-Scripting.html
- 73344 vdb-entry
- https://www.htbridge.com/advisory/HTB23251
- 36506 exploit