From 6fe24c8c220865173c67bc2dec0e766a78f21c33 Mon Sep 17 00:00:00 2001
From: prasad <prasad@vtiger.com>
Date: Thu, 30 Jun 2016 18:35:51 +0530
Subject: [PATCH] Added short-tag config check in validation.
---
vtlib/Vtiger/Functions.php | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/vtlib/Vtiger/Functions.php b/vtlib/Vtiger/Functions.php
index e5534cfe..b48b9898 100644
--- a/vtlib/Vtiger/Functions.php
+++ b/vtlib/Vtiger/Functions.php
@@ -575,14 +575,14 @@ class Vtiger_Functions {
return $filepath;
}
- static function validateImageMetadata($data) {
+ static function validateImageMetadata($data, $short=true) {
if (is_array($data)) {
foreach ($data as $key => $value) {
$ok = self::validateImageMetadata($value);
if (!$ok) return false;
}
} else {
- if (stripos($data, "<?") !== false) { // suspicious dynamic content
+ if (stripos($data, $short ? "<?" : "<?php") !== false) { // suspicious dynamic content
return false;
}
}
@@ -613,9 +613,10 @@ class Vtiger_Functions {
}
//metadata check
+ $shortTagSupported = ini_get('short_open_tag') ? true : false;
if ($saveimage == 'true') {
$exifdata = exif_read_data($file_details['tmp_name']);
- if ($exifdata && !self::validateImageMetadata($exifdata)) {
+ if ($exifdata && !self::validateImageMetadata($exifdata, $shortTagSupported)) {
$saveimage = 'false';
}
}
@@ -623,7 +624,7 @@ class Vtiger_Functions {
// Check for php code injection
if ($saveimage == 'true') {
$imageContents = file_get_contents($file_details['tmp_name']);
- if (stripos('<?', $imageContents) !== false) { // suspicious dynamic content.
+ if (stripos($imageContents, $shortTagSupported ? "<?" : "<?php") !== false) { // suspicious dynamic content.
$saveimage = 'false';
}
}
--
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