Description
class.showtime2_image.php in CMS Made Simple (CMSMS) before 2.2.10 does not ensure that a watermark file has a standard image file extension (GIF, JPG, JPEG, or PNG).
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.
Metasploit 1 module
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CMS Made Simple (CMSMS) Showtime2 File Upload RCE
exploit/multi/http/cmsms_showtime2_rce
Exploit-DB 2
- CMS Made Simple (CMSMS) Showtime2 - File Upload Remote Code Execution (Metasploit) EDB-46627 · remote · Mar 28, 2019 · verified
- CMS Made Simple Showtime2 Module 3.6.2 - (Authenticated) Arbitrary File Upload EDB-46546 · webapps · Mar 15, 2019 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- http://viewsvn.cmsmadesimple.org/diff.php?repname=showtime2&path=%2Ftrunk%2Flib%2Fclass.showtime2_image.php&rev=47
- https://forum.cmsmadesimple.org/viewtopic.php?f=1&t=80285
- 46546 exploit
- http://packetstormsecurity.com/files/152269/CMS-Made-Simple-CMSMS-Showtime2-File-Upload-Remote-Command-Execution.html
- http://www.rapid7.com/db/modules/exploit/multi/http/cmsms_showtime2_rce
- 46627 exploit