[VIM] Partial details on Invision Power Board (IPB) PHP execution issue

[Steven M. Christey]

Ref: http://forums.invisionpower.com/index.php?showtopic=215527

CVE-2006-2498 forthcoming.

This forum post includes a pointer to a manual patch:

  http://forums.invisionpower.com/index.php?act=Attach&type=post&id=10026

Review of the patch suggests which variables are cleansed and which
files are affected, but it's not clear how the variables relate to
externally controlled inputs, nor is it clear about how it leads to
PHP code execution.

- Steve