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		<id>https://wiki.owasp.org/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=Skawtus</id>
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		<updated>2026-04-25T19:59:41Z</updated>
		<subtitle>User contributions</subtitle>
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	<entry>
		<id>https://wiki.owasp.org/index.php?title=Command_Injection_Defense_Cheat_Sheet&amp;diff=220235</id>
		<title>Command Injection Defense Cheat Sheet</title>
		<link rel="alternate" type="text/html" href="https://wiki.owasp.org/index.php?title=Command_Injection_Defense_Cheat_Sheet&amp;diff=220235"/>
				<updated>2016-08-09T23:41:46Z</updated>
		
		<summary type="html">&lt;p&gt;Skawtus: /* WORK IN PROGRESS */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;= WORK IN PROGRESS =&lt;br /&gt;
&lt;br /&gt;
__NOTOC__&lt;br /&gt;
&amp;lt;div style=&amp;quot;width:100%;height:160px;border:0,margin:0;overflow: hidden;&amp;quot;&amp;gt;[[File:Cheatsheets-header.jpg|link=]]&amp;lt;/div&amp;gt;&lt;br /&gt;
&lt;br /&gt;
{| style=&amp;quot;padding: 0;margin:0;margin-top:10px;text-align:left;&amp;quot; |-&lt;br /&gt;
| valign=&amp;quot;top&amp;quot;  style=&amp;quot;border-right: 1px dotted gray;padding-right:25px;&amp;quot; |&lt;br /&gt;
Last revision (08/09/16): '''{{REVISIONMONTH}}/{{REVISIONDAY}}/{{REVISIONYEAR}}'''&lt;br /&gt;
&lt;br /&gt;
= Introduction  =&lt;br /&gt;
 __TOC__{{TOC hidden}}&lt;br /&gt;
&lt;br /&gt;
This cheat sheet provides some best practice for developers to follow to avoid the risk of [[Command Injection]]&amp;lt;br&amp;gt; &lt;br /&gt;
&lt;br /&gt;
= Introduction =&lt;br /&gt;
&lt;br /&gt;
1) What is Command Injection?&lt;br /&gt;
    &lt;br /&gt;
2) Defense against unintentional OS interaction &lt;br /&gt;
    &lt;br /&gt;
2a) LFI Local File Inclusion&lt;br /&gt;
&lt;br /&gt;
2b) RFI Remote File Inclusion&lt;br /&gt;
    &lt;br /&gt;
2c) Code Level injection&lt;br /&gt;
* ENV variables&lt;br /&gt;
* code creation&lt;br /&gt;
&lt;br /&gt;
3) Safe design for features where OS interaction is intentional&lt;br /&gt;
    &lt;br /&gt;
 3a) Like safely calling ImageMagik to do image manipulation, etc&lt;br /&gt;
&lt;br /&gt;
3b)  TBD codegen example?&lt;br /&gt;
&lt;br /&gt;
3c) TBD example&lt;br /&gt;
&lt;br /&gt;
4) Summary&lt;br /&gt;
&lt;br /&gt;
TBD takeaway language agnostic approaches list&lt;br /&gt;
TBD takeway language specific approaches list&lt;br /&gt;
&lt;br /&gt;
= Details = &lt;br /&gt;
&lt;br /&gt;
TBD&lt;br /&gt;
&lt;br /&gt;
= Authors and Primary Editors  =&lt;br /&gt;
&lt;br /&gt;
Jim Manico - jim[at]owasp.org&lt;br /&gt;
&lt;br /&gt;
Scott Davis - scott_davis[at]rapid7.com&lt;br /&gt;
&lt;br /&gt;
== Other Cheatsheets ==&lt;br /&gt;
&lt;br /&gt;
{{Cheatsheet_Navigation_Body}}&lt;br /&gt;
&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[Category:Cheatsheets]]&lt;/div&gt;</summary>
		<author><name>Skawtus</name></author>	</entry>

	<entry>
		<id>https://wiki.owasp.org/index.php?title=Command_Injection_Defense_Cheat_Sheet&amp;diff=220234</id>
		<title>Command Injection Defense Cheat Sheet</title>
		<link rel="alternate" type="text/html" href="https://wiki.owasp.org/index.php?title=Command_Injection_Defense_Cheat_Sheet&amp;diff=220234"/>
				<updated>2016-08-09T23:41:15Z</updated>
		
		<summary type="html">&lt;p&gt;Skawtus: /* Introduction */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;= WORK IN PROGRESS =&lt;br /&gt;
&lt;br /&gt;
__NOTOC__&lt;br /&gt;
&amp;lt;div style=&amp;quot;width:100%;height:160px;border:0,margin:0;overflow: hidden;&amp;quot;&amp;gt;[[File:Cheatsheets-header.jpg|link=]]&amp;lt;/div&amp;gt;&lt;br /&gt;
&lt;br /&gt;
{| style=&amp;quot;padding: 0;margin:0;margin-top:10px;text-align:left;&amp;quot; |-&lt;br /&gt;
| valign=&amp;quot;top&amp;quot;  style=&amp;quot;border-right: 1px dotted gray;padding-right:25px;&amp;quot; |&lt;br /&gt;
Last revision (mm/dd/yy): '''{{REVISIONMONTH}}/{{REVISIONDAY}}/{{REVISIONYEAR}}''' &lt;br /&gt;
= Introduction  =&lt;br /&gt;
 __TOC__{{TOC hidden}}&lt;br /&gt;
&lt;br /&gt;
This cheat sheet provides some best practice for developers to follow to avoid the risk of [[Command Injection]]&amp;lt;br&amp;gt; &lt;br /&gt;
&lt;br /&gt;
= Introduction =&lt;br /&gt;
&lt;br /&gt;
1) What is Command Injection?&lt;br /&gt;
    &lt;br /&gt;
2) Defense against unintentional OS interaction &lt;br /&gt;
    &lt;br /&gt;
2a) LFI Local File Inclusion&lt;br /&gt;
&lt;br /&gt;
2b) RFI Remote File Inclusion&lt;br /&gt;
    &lt;br /&gt;
2c) Code Level injection&lt;br /&gt;
* ENV variables&lt;br /&gt;
* code creation&lt;br /&gt;
&lt;br /&gt;
3) Safe design for features where OS interaction is intentional&lt;br /&gt;
    &lt;br /&gt;
 3a) Like safely calling ImageMagik to do image manipulation, etc&lt;br /&gt;
&lt;br /&gt;
3b)  TBD codegen example?&lt;br /&gt;
&lt;br /&gt;
3c) TBD example&lt;br /&gt;
&lt;br /&gt;
4) Summary&lt;br /&gt;
&lt;br /&gt;
TBD takeaway language agnostic approaches list&lt;br /&gt;
TBD takeway language specific approaches list&lt;br /&gt;
&lt;br /&gt;
= Details = &lt;br /&gt;
&lt;br /&gt;
TBD&lt;br /&gt;
&lt;br /&gt;
= Authors and Primary Editors  =&lt;br /&gt;
&lt;br /&gt;
Jim Manico - jim[at]owasp.org&lt;br /&gt;
&lt;br /&gt;
Scott Davis - scott_davis[at]rapid7.com&lt;br /&gt;
&lt;br /&gt;
== Other Cheatsheets ==&lt;br /&gt;
&lt;br /&gt;
{{Cheatsheet_Navigation_Body}}&lt;br /&gt;
&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[Category:Cheatsheets]]&lt;/div&gt;</summary>
		<author><name>Skawtus</name></author>	</entry>

	<entry>
		<id>https://wiki.owasp.org/index.php?title=Command_Injection_Defense_Cheat_Sheet&amp;diff=220233</id>
		<title>Command Injection Defense Cheat Sheet</title>
		<link rel="alternate" type="text/html" href="https://wiki.owasp.org/index.php?title=Command_Injection_Defense_Cheat_Sheet&amp;diff=220233"/>
				<updated>2016-08-09T23:39:00Z</updated>
		
		<summary type="html">&lt;p&gt;Skawtus: /* Introduction */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;= WORK IN PROGRESS =&lt;br /&gt;
&lt;br /&gt;
__NOTOC__&lt;br /&gt;
&amp;lt;div style=&amp;quot;width:100%;height:160px;border:0,margin:0;overflow: hidden;&amp;quot;&amp;gt;[[File:Cheatsheets-header.jpg|link=]]&amp;lt;/div&amp;gt;&lt;br /&gt;
&lt;br /&gt;
{| style=&amp;quot;padding: 0;margin:0;margin-top:10px;text-align:left;&amp;quot; |-&lt;br /&gt;
| valign=&amp;quot;top&amp;quot;  style=&amp;quot;border-right: 1px dotted gray;padding-right:25px;&amp;quot; |&lt;br /&gt;
Last revision (mm/dd/yy): '''{{REVISIONMONTH}}/{{REVISIONDAY}}/{{REVISIONYEAR}}''' &lt;br /&gt;
= Introduction  =&lt;br /&gt;
 __TOC__{{TOC hidden}}&lt;br /&gt;
&lt;br /&gt;
This cheat sheet provides some best practice for developers to follow to avoid the risk of [[Command Injection]]&amp;lt;br&amp;gt; &lt;br /&gt;
&lt;br /&gt;
= Introduction =&lt;br /&gt;
&lt;br /&gt;
1) What is Command Injection?&lt;br /&gt;
    &lt;br /&gt;
2) Defense against unintentional OS interaction &lt;br /&gt;
    &lt;br /&gt;
2a) LFI Local File Inclusion&lt;br /&gt;
&lt;br /&gt;
2b) RFI Remote File Inclusion&lt;br /&gt;
    &lt;br /&gt;
2c) Code Level injection&lt;br /&gt;
* ENV variables&lt;br /&gt;
* code creation&lt;br /&gt;
&lt;br /&gt;
3) Safe design for features where OS interaction is intentional&lt;br /&gt;
    &lt;br /&gt;
 3a) Like safely calling ImageMagik to do image manipulation, etc&lt;br /&gt;
I CCed in a few other folks who are interested in this topic.&lt;br /&gt;
&lt;br /&gt;
3b)  TBD example&lt;br /&gt;
&lt;br /&gt;
3c) TBD example&lt;br /&gt;
&lt;br /&gt;
4) Summary&lt;br /&gt;
&lt;br /&gt;
TBD takeaway language agnostic approaches list&lt;br /&gt;
TBD takeway language specific approaches list&lt;br /&gt;
&lt;br /&gt;
= Details = &lt;br /&gt;
&lt;br /&gt;
TBD&lt;br /&gt;
&lt;br /&gt;
= Authors and Primary Editors  =&lt;br /&gt;
&lt;br /&gt;
Jim Manico - jim[at]owasp.org&lt;br /&gt;
&lt;br /&gt;
Scott Davis - scott_davis[at]rapid7.com&lt;br /&gt;
&lt;br /&gt;
== Other Cheatsheets ==&lt;br /&gt;
&lt;br /&gt;
{{Cheatsheet_Navigation_Body}}&lt;br /&gt;
&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[Category:Cheatsheets]]&lt;/div&gt;</summary>
		<author><name>Skawtus</name></author>	</entry>

	<entry>
		<id>https://wiki.owasp.org/index.php?title=Command_Injection_Defense_Cheat_Sheet&amp;diff=220232</id>
		<title>Command Injection Defense Cheat Sheet</title>
		<link rel="alternate" type="text/html" href="https://wiki.owasp.org/index.php?title=Command_Injection_Defense_Cheat_Sheet&amp;diff=220232"/>
				<updated>2016-08-09T23:29:49Z</updated>
		
		<summary type="html">&lt;p&gt;Skawtus: /* Authors and Primary Editors */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;= WORK IN PROGRESS =&lt;br /&gt;
&lt;br /&gt;
__NOTOC__&lt;br /&gt;
&amp;lt;div style=&amp;quot;width:100%;height:160px;border:0,margin:0;overflow: hidden;&amp;quot;&amp;gt;[[File:Cheatsheets-header.jpg|link=]]&amp;lt;/div&amp;gt;&lt;br /&gt;
&lt;br /&gt;
{| style=&amp;quot;padding: 0;margin:0;margin-top:10px;text-align:left;&amp;quot; |-&lt;br /&gt;
| valign=&amp;quot;top&amp;quot;  style=&amp;quot;border-right: 1px dotted gray;padding-right:25px;&amp;quot; |&lt;br /&gt;
Last revision (mm/dd/yy): '''{{REVISIONMONTH}}/{{REVISIONDAY}}/{{REVISIONYEAR}}''' &lt;br /&gt;
= Introduction  =&lt;br /&gt;
 __TOC__{{TOC hidden}}&lt;br /&gt;
&lt;br /&gt;
This cheat sheet provides some best practice for developers to follow to avoid the risk of [[Command Injection]]&amp;lt;br&amp;gt; &lt;br /&gt;
&lt;br /&gt;
= Introduction =&lt;br /&gt;
&lt;br /&gt;
TBD&lt;br /&gt;
&lt;br /&gt;
= Details = &lt;br /&gt;
&lt;br /&gt;
TBD&lt;br /&gt;
&lt;br /&gt;
= Authors and Primary Editors  =&lt;br /&gt;
&lt;br /&gt;
Jim Manico - jim[at]owasp.org&lt;br /&gt;
&lt;br /&gt;
Scott Davis - scott_davis[at]rapid7.com&lt;br /&gt;
&lt;br /&gt;
== Other Cheatsheets ==&lt;br /&gt;
&lt;br /&gt;
{{Cheatsheet_Navigation_Body}}&lt;br /&gt;
&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[Category:Cheatsheets]]&lt;/div&gt;</summary>
		<author><name>Skawtus</name></author>	</entry>

	<entry>
		<id>https://wiki.owasp.org/index.php?title=Command_Injection_Defense_Cheat_Sheet&amp;diff=220231</id>
		<title>Command Injection Defense Cheat Sheet</title>
		<link rel="alternate" type="text/html" href="https://wiki.owasp.org/index.php?title=Command_Injection_Defense_Cheat_Sheet&amp;diff=220231"/>
				<updated>2016-08-09T23:29:28Z</updated>
		
		<summary type="html">&lt;p&gt;Skawtus: /* Authors and Primary Editors */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;= WORK IN PROGRESS =&lt;br /&gt;
&lt;br /&gt;
__NOTOC__&lt;br /&gt;
&amp;lt;div style=&amp;quot;width:100%;height:160px;border:0,margin:0;overflow: hidden;&amp;quot;&amp;gt;[[File:Cheatsheets-header.jpg|link=]]&amp;lt;/div&amp;gt;&lt;br /&gt;
&lt;br /&gt;
{| style=&amp;quot;padding: 0;margin:0;margin-top:10px;text-align:left;&amp;quot; |-&lt;br /&gt;
| valign=&amp;quot;top&amp;quot;  style=&amp;quot;border-right: 1px dotted gray;padding-right:25px;&amp;quot; |&lt;br /&gt;
Last revision (mm/dd/yy): '''{{REVISIONMONTH}}/{{REVISIONDAY}}/{{REVISIONYEAR}}''' &lt;br /&gt;
= Introduction  =&lt;br /&gt;
 __TOC__{{TOC hidden}}&lt;br /&gt;
&lt;br /&gt;
This cheat sheet provides some best practice for developers to follow to avoid the risk of [[Command Injection]]&amp;lt;br&amp;gt; &lt;br /&gt;
&lt;br /&gt;
= Introduction =&lt;br /&gt;
&lt;br /&gt;
TBD&lt;br /&gt;
&lt;br /&gt;
= Details = &lt;br /&gt;
&lt;br /&gt;
TBD&lt;br /&gt;
&lt;br /&gt;
= Authors and Primary Editors  =&lt;br /&gt;
&lt;br /&gt;
Jim Manico - jim[at]owasp.org&lt;br /&gt;
Scott Davis - scott_davis[at]rapid7.com&lt;br /&gt;
&lt;br /&gt;
== Other Cheatsheets ==&lt;br /&gt;
&lt;br /&gt;
{{Cheatsheet_Navigation_Body}}&lt;br /&gt;
&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[Category:Cheatsheets]]&lt;/div&gt;</summary>
		<author><name>Skawtus</name></author>	</entry>

	<entry>
		<id>https://wiki.owasp.org/index.php?title=User:Skawtus&amp;diff=211534</id>
		<title>User:Skawtus</title>
		<link rel="alternate" type="text/html" href="https://wiki.owasp.org/index.php?title=User:Skawtus&amp;diff=211534"/>
				<updated>2016-03-21T17:19:04Z</updated>
		
		<summary type="html">&lt;p&gt;Skawtus: Blanked the page&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&lt;/div&gt;</summary>
		<author><name>Skawtus</name></author>	</entry>

	</feed>