Forums / Developer / SQL injection possible?

SQL injection possible?

Author Message

Claudia Kosny

Friday 03 November 2006 1:18:12 am

Hi there

My users can update some data on some objects using a webform. Due to technical reasons I cannot use the regular content/edit functionality so I have written an extension that takes the posted data, checks which attributes are posted for which object and then uses something like this:
$contentObjectAttribute->setAttribute('data_int', $postedAttributeContent);
for each of attribute.

This is working fine but I am wondering how much I should worry about quotation marks or sql injection in the posted data.

So are there any cleanup functions in the ez sql interface that I can use or does ez automatically check for and remove and possible problems?

Thanks for any tips or hints

Claudia

Sascha Frinken

Friday 03 November 2006 3:25:34 am

Hi Claudia,

afaik your attributes will be stored with eZPersistentObject::storeObject.
As you can see in http://pubsvn.ez.no/doxygen/ezpersistentobject_8php-source.html (line 00501 i.e) it makes use of $db->escapeString( $value ) which prevents SQL injection.

HTH

Sascha

eZ debug

Timing: Jan 18 2025 11:08:39
Script start
Timing: Jan 18 2025 11:08:39
Module start 'content'
Timing: Jan 18 2025 11:08:40
Module end 'content'
Timing: Jan 18 2025 11:08:40
Script end

Main resources:

Total runtime0.7978 sec
Peak memory usage4,096.0000 KB
Database Queries191

Timing points:

CheckpointStart (sec)Duration (sec)Memory at start (KB)Memory used (KB)
Script start 0.00000.0083 588.8047180.8438
Module start 'content' 0.00830.6548 769.6484464.3203
Module end 'content' 0.66310.1346 1,233.9688333.5000
Script end 0.7978  1,567.4688 

Time accumulators:

 Accumulator Duration (sec) Duration (%) Count Average (sec)
Ini load
Load cache0.00430.5393210.0002
Check MTime0.00160.1992210.0001
Mysql Total
Database connection0.00090.116310.0009
Mysqli_queries0.728991.35571910.0038
Looping result0.00210.26611890.0000
Template Total0.763095.620.3815
Template load0.00180.222720.0009
Template processing0.761295.413020.3806
Template load and register function0.00020.024310.0002
states
state_id_array0.00110.131810.0011
state_identifier_array0.00080.098420.0004
Override
Cache load0.00150.1820170.0001
Sytem overhead
Fetch class attribute can translate value0.00140.172830.0005
Fetch class attribute name0.00120.150820.0006
XML
Image XML parsing0.00060.069130.0002
class_abstraction
Instantiating content class attribute0.00000.000820.0000
General
dbfile0.00670.8446210.0003
String conversion0.00000.000630.0000
Note: percentages do not add up to 100% because some accumulators overlap

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extension/community_design/design/suncana/stylesheets/syntax_and_custom_tags.css
extension/community_design/design/suncana/stylesheets/buttons.css
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extension/community_design/design/suncana/javascript/jquery.ui.core.min.js
extension/community_design/design/suncana/javascript/jquery.ui.widget.min.js
extension/community_design/design/suncana/javascript/jquery.easing.1.3.js
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extension/community_design/design/suncana/javascript/jquery.popmenu.js
extension/community_design/design/suncana/javascript/jScrollPane.js
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extension/sevenx/design/simple/javascript/jquery.scrollTo.js
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2content/datatype/view/ezxmltext.tpl<No override>extension/community_design/design/suncana/templates/content/datatype/view/ezxmltext.tplEdit templateOverride template
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1pagelayout.tpl<No override>extension/sevenx/design/simple/templates/pagelayout.tplEdit templateOverride template
 Number of times templates used: 10
 Number of unique templates used: 5

Time used to render debug report: 0.0001 secs