Breaking SAP Portal - Proidea

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sapSCAN.com Is it remotely exploitable? > 5000 non-web <strong>SAP</strong> services exposed in the world including Dispatcher, Message server, SapHostControl, etc http://erpscan.com/wp-content/uploads/2012/06/<strong>SAP</strong>-Security-in-figures-a-global-survey-2007-2011-final.pdf
What about unpublished threats? • Companies are not interested in publishing information about their breaches • There are a lot of internal breaches thanks to unnecessarily given authorizations (An employee by mistake buys hundreds of excavators instead of ten) • There are known stories about backdoors left by developers in custom ABAP code • How can you be sure that, if a breach occurs, you can find evidence?
Page 1 and 2: Invest in security to secure invest
Page 3 and 4: Evgeny Neyolov
Page 5 and 6: SAP security Agenda SAP forensics W
Page 7 and 8: SAP security Espionage Stealing fin
Page 9: How easy? SAP Security Notes http:/
Page 13 and 14: What do we see? • A lot of resear
Page 15 and 16: Say hello to Portal • Point of we
Page 17 and 18: Okay, okay. SAP Portal is important
Page 19 and 20: Full logging is not always the best
Page 21 and 22: SAP Management Console • SAP MC -
Page 23 and 24: SAP Management Console true
Page 25 and 26: Prevention • The HTTP Provider se
Page 27 and 28: Declarative By WEB.XML Access contr
Page 29 and 30: web.xml CriticalAction com.sap.adm
Page 31 and 32: Verb Tampering Need Admin account i
Page 33 and 34: Investigation [Apr 3, 2013 1:23:59
Page 35 and 36: Invoker Servlet • Want to execute
Page 37 and 38: Prevention • Update to the latest
Page 39 and 40: Investigation
Page 41 and 42: EPCF EPCF provides a JavaScript API
Page 43 and 44: Investigation #Plain###192.168.192.
Page 45 and 46: Webdynpro JAVA http://help.sap.com/
Page 47 and 48: Investigation • Most actions have
Page 49 and 50: Directory traversal fix bypass
Page 51 and 52: ../ !252f..!252f Investigation
Page 53 and 54: Read file How we can read the file?
Page 55 and 56: XXE in Portal
Page 57 and 58: XXE Error based XXE
Page 59 and 60: $internal/version=Ni4zFF4wMSeasefor
Page 61 and 62:
Prevention • Install SAP note 161
Page 63 and 64:
Investigation • The only one way
Page 65 and 66:
Malicious file upload: Attack http:
Page 67 and 68:
Malicious file upload: Forensics [A
Page 69 and 70:
Portal post exploitation • Lot of
Page 71 and 72:
SSRF Attack Direct attack GET /vuln
Page 73 and 74:
Portal post-exploitation
Page 75 and 76:
• Flooding • Deleting • Chang
Page 77 and 78:
Log deleting • Flooding is the su
Page 79 and 80:
Log archiving • Archiving when al
Page 81 and 82:
Securing SAP Portal • Patching
Page 83 and 84:
Future work I'd like to thank SAP's
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Breaking SAP Portal - Proidea

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