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[FD] [0day-rubbish] Codoforum 5.4.1 Authenticated arbitrary file upload to PHP RCE (7.2)

0day Rubbish Research Team is publicly disclosing a vulnerability in Codoforum 
5.4.1.

Type: Authenticated arbitrary file upload to PHP RCE (CWE-434)
CVSS: 7.2 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
Impact: Arbitrary PHP code execution as www-data: the forum database, user 
data, and application files under attacker control, commonly escalating to the 
underlying host.
Authentication: authenticated (requires valid session)

Full technical analysis and a reproducible proof-of-concept:
  https://0day-rubbish.com/blog/codoforum-admin-cat-img-polyglot-upload-rce

Project archive (ongoing disclosure series):
  https://github.com/Exploit-Garbage/0day-Rubbish

Vendor has been notified. CVE ID is pending.

--
0day Rubbish Research Team
disclosure@xxxxxxxxxxxxxxxx
https://0day-rubbish.com
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