Vulnerability CVE-2006-4450
Published: 2006-08-29   Modified: 2012-02-12

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.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
PHPBB 2.0.20 persistent issues with avatars
rgod
31.08.2006

CVSS2 => (AV:N/AC:H/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.1/10
6.4/10
4.9/10
Exploit range
Attack complexity
Authentication
Remote
High
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Phpbb group -> Phpbb 

 References:
http://secunia.com/advisories/20093
http://xforce.iss.net/xforce/xfdb/26537
http://www.securityfocus.com/bid/17965
http://archives.neohapsis.com/archives/bugtraq/2006-05/0238.html
http://securityreason.com/securityalert/1470
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