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N°3248 - code hardening

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This commit is contained in:
Eric
2020-08-18 17:02:46 +02:00
parent 6176af089c
commit f74c78d61c
2 changed files with 11 additions and 2 deletions
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10
application/transaction.class.inc.php
View File

@@ -234,7 +234,14 @@ class privUITransactionFile
*/
public static function IsTransactionValid($id, $bRemoveTransaction = true)
{
$sFilepath = APPROOT.'data/transactions/'.$id;
// Constraint the transaction file within APPROOT.'data/transactions'
$sTransactionDir = realpath(APPROOT.'data/transactions');
$sFilepath = utils::RealPath($sTransactionDir.'/'.$id, $sTransactionDir);
if (($sFilepath === false) || (strlen($sTransactionDir) == strlen($sFilepath)))
{
return false;
}
clearstatcache(true, $sFilepath);
$bResult = file_exists($sFilepath);
if ($bResult)
@@ -245,6 +252,7 @@ class privUITransactionFile
if (!$bResult)
{
self::Error('IsTransactionValid: FAILED to remove transaction '.$id);
return false;
}
else
{

3
application/utils.inc.php
View File

@@ -307,6 +307,7 @@ class utils
case 'context_param':
case 'parameter':
case 'field_name':
case 'transaction_id':
if (is_array($value))
{
$retValue = array();
@@ -2223,7 +2224,7 @@ class utils
* @param string $sPath for example '/var/www/html/itop/data/backups/manual/itop_27-2019-10-03_15_35.tar.gz'
* @param string $sBasePath for example '/var/www/html/itop/data/'
*
* @return bool false if path :
* @return bool|string false if path :
* * invalid
* * not allowed
* * not contained in base path