The remote host is missing an update to the system as announced in the referenced advisory.

Update your system with the appropriate patches or software upgrades. http://security.gentoo.org/glsa/glsa-200503-02.xml http://www.idefense.com/application/poi/display?id=205&type=vulnerabilities http://www.idefense.com/application/poi/display?id=204&type=vulnerabilities http://www.vuxml.org/freebsd/326c517a-d029-11d9-9aed-000e0c2e438a.html

The following package is affected: phpbb CVE-2005-0258 Directory traversal vulnerability in (1) usercp_register.php and (2) usercp_avatar.php for phpBB 2.0.11, and possibly other versions, with gallery avatars enabled, allows remote attackers to delete (unlink) arbitrary files via '/../' sequences in the avatarselect parameter. CVE-2005-0259 phpBB 2.0.11, and possibly other versions, with remote avatars and avatar uploading enabled, allows local users to read arbitrary files by providing both a local and remote location for an avatar, then modifying the 'Upload Avatar from a URL:' field to reference the target file.