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-rw-r--r--config/snort/snort_import_aliases.php4
-rw-r--r--config/snort/snort_rules_flowbits.php2
-rw-r--r--config/snort/snort_select_alias.php18
3 files changed, 13 insertions, 11 deletions
diff --git a/config/snort/snort_import_aliases.php b/config/snort/snort_import_aliases.php
index 80b3bb1d..ba71c9bf 100644
--- a/config/snort/snort_import_aliases.php
+++ b/config/snort/snort_import_aliases.php
@@ -32,13 +32,13 @@ require_once("functions.inc");
require_once("/usr/local/pkg/snort/snort.inc");
// Retrieve any passed QUERY STRING or POST variables
-if (isset($_POST['id']))
+if (isset($_POST['id']) && is_numericint($_POST['id']))
$id = $_POST['id'];
elseif (isset($_GET['id']) && is_numericint($_GET['id']))
$id = htmlspecialchars($_GET['id']);
if (isset($_POST['eng']))
- $eng = $_POST['eng'];
+ $eng = htmlspecialchars($_POST['eng']);
elseif (isset($_GET['eng']))
$eng = htmlspecialchars($_GET['eng']);
diff --git a/config/snort/snort_rules_flowbits.php b/config/snort/snort_rules_flowbits.php
index daf1c4ef..3baa502c 100644
--- a/config/snort/snort_rules_flowbits.php
+++ b/config/snort/snort_rules_flowbits.php
@@ -53,7 +53,7 @@ if (is_null($id)) {
// Set who called us so we can return to the correct page with
// the RETURN ('cancel') button.
-if ($_POST['referrer'])
+if (isset($_POST['referrer']) && substr($_POST['referrer'], 0, 1) == '/')
$referrer = $_POST['referrer'];
else
$referrer = $_SERVER['HTTP_REFERER'];
diff --git a/config/snort/snort_select_alias.php b/config/snort/snort_select_alias.php
index c632b388..e13d0cb4 100644
--- a/config/snort/snort_select_alias.php
+++ b/config/snort/snort_select_alias.php
@@ -47,29 +47,31 @@ else
// Retrieve any passed QUERY STRING or POST variables
if (isset($_POST['type']))
- $type = $_POST['type'];
+ $type = htmlspecialchars($_POST['type']);
elseif (isset($_GET['type']))
$type = htmlspecialchars($_GET['type']);
if (isset($_POST['varname']))
- $varname = $_POST['varname'];
+ $varname = htmlspecialchars($_POST['varname']);
elseif (isset($_GET['varname']))
$varname = htmlspecialchars($_GET['varname']);
if (isset($_POST['multi_ip']))
- $multi_ip = $_POST['multi_ip'];
+ $multi_ip = htmlspecialchars($_POST['multi_ip']);
elseif (isset($_GET['multi_ip']))
$multi_ip = htmlspecialchars($_GET['multi_ip']);
-if (isset($_POST['returl']))
+if (isset($_POST['returl'])) && substr($_POST['returl'], 0, 1) == '/')
$referrer = urldecode($_POST['returl']);
-elseif (isset($_GET['returl']))
+elseif (isset($_GET['returl'])) && substr($_GET['returl'], 0, 1) == '/')
$referrer = urldecode($_GET['returl']);
+else
+ $referrer = $_SERVER['HTTP_REFERER'];
// Make sure we have a valid VARIABLE name
// and ALIAS TYPE, or else bail out.
if (is_null($type) || is_null($varname)) {
- header("Location: http://{$referrer}?{$querystr}");
+ header("Location: {$referrer}?{$querystr}");
exit;
}
@@ -132,8 +134,8 @@ include("head.inc");
<input type="hidden" name="varname" value="<?=$varname;?>"/>
<input type="hidden" name="type" value="<?=$type;?>"/>
<input type="hidden" name="multi_ip" value="<?=$multi_ip;?>"/>
-<input type="hidden" name="returl" value="<?=$referrer;?>"/>
-<input type="hidden" name="org_querystr" value="<?=$querystr;?>"/>
+<input type="hidden" name="returl" value="<?=htmlspecialchars($referrer);?>"/>
+<input type="hidden" name="org_querystr" value="<?=htmlspecialchars($querystr);?>"/>
<?php if ($input_errors) print_input_errors($input_errors); ?>
<div id="boxarea">
<table width="100%" border="0" cellpadding="0" cellspacing="0">