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TITLE:
PostNuke PNphpBB2 Module Multiple File Inclusion Vulnerabilities

SECUNIA ADVISORY ID:
SA33365

VERIFY ADVISORY:
http://secunia.com/advisories/33365/

CRITICAL:
Moderately critical

IMPACT:
Exposure of system information, Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
PNphpBB2 1.x (module for PostNuke)
http://secunia.com/advisories/product/14408/

DESCRIPTION:
StAkeR has discovered some vulnerabilities in the PNphpBB2 module for
PostNuke, which can be exploited by malicious people to disclose
sensitive information.

Input passed to the "ModName" parameter in
"modules/PNphpBB2/admin/admin_words.php",
"modules/PNphpBB2/admin/admin_groups_reapir.php",
"modules/PNphpBB2/admin/admin_smilies.php",
"modules/PNphpBB2/admin/admin_ranks.php",
"modules/PNphpBB2/admin/admin_styles.php", and
"modules/PNphpBB2/admin/admin_users.php" is not properly verified
before being used to include files. This can be exploited to include
arbitrary files from local resources via directory traversal attacks
and URL-encoded NULL bytes.

These vulnerabilities are confirmed in version 1.2i. Other versions
may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly verified.

PROVIDED AND/OR DISCOVERED BY:
StAkeR

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/7658

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