phpBB Admin code execution

phpbb-admin-code-execution (25889) The risk level is classified as HighHigh Risk

Description:

phpBB could allow a local attacker to execute arbitrary code caused by improper filtering in the Admin panel. A local attacker with access to the admin panel could modify the font and signature fields to execute arbitrary PHP code on the system.

Platforms Affected:

  • Debian, Debian Linux 3.1
  • phpBB, phpBB

Remedy:

For Debian GNU/Linux:
Refer to DSA-1066-1 for patch, upgrade, or suggested workaround information. See References.

Consequences:

Gain Privileges

References:

  • BugTraq Mailing List, Fri Apr 14 2006 - 10:03:41 CDT, phpBB Admin command execution at http://archives.neohapsis.com/archives/bugtraq/2006-04/0281.html.
  • phpBB Web site, phpBB:: Creating Communities at http://www.phpbb.com/.
  • CVE-2006-1896: Unspecified vulnerability in phpBB allows remote authenticated users with Administration Panel access to execute arbitrary PHP code via crafted Font Colour 3 ($theme[fontcolor3] variable) and/or signature values, possibly involving the highlight functionality. NOTE: the original report does not clarify whether this issue is static code injection, eval injection, or another type of vulnerability.
  • DSA-1066: phpbb2 -- missing input sanitising
  • SA20093: phpBB "Upload Avatar from a URL" Weakness and PHP Code Execution

Reported:

Apr 14, 2006

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