Description
usercp_avatar.php in PHPBB 2.0.20, when avatar uploading is enabled, allows remote attackers to use the server as a web proxy by submitting a URL to the avatarurl parameter, which is then used in an HTTP GET request.
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
- phpBB 2.0.20 - Unauthorized HTTP Proxy EDB-27863 · webapps · May 12, 2006 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 1470 third-party-advisory
- 20060512 PHPBB 2.0.20 persistent issues with avatars mailing-list
- phpbb-avatar-security-bypass(26537) vdb-entry
- 17965 vdb-entry
- 20093 third-party-advisory