SAP: Session (Fixation) Attacks and Protections - Black Hat

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#3 <strong>Protections</strong> (4)• Enable “<strong>Session</strong>IPProtectionEnabled”– Web Container Service property• Manages J2EE web components– HTTP session cannot be accessed fromdifferent IP addresses. Only requests from theIP addr that started the session are processed– Disabled by default– If front proxy or load balancer is used• Configure the “ClientIpHeaderName” property of theHTTP Provider Service (e.g. relay “X-Forwarded-For”header)Copyright © 2011 Taddong S.L. www.taddong.com72
ConclusionsCopyright © 2011 Taddong S.L. www.taddong.com73
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UPDATEDwww.taddong.comSAP: Session
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Sessions in Web Applications• A w
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OWASP Top 10 2010• The Top 10 Mos
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WASC Threat Clasification v2.0• W
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What Session Fixation Should Be?Obs
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Session ID Exchange (1)• Multiple
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Session ID ExchangeUsed vs. Accepte
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The Attacker is After the…http://
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Session Fixation Attackshttp://www.
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Attack Vectors (2)• Web traffic i
Page 21 and 22: Attack Vectors (4)• Cross-Site Sc
Page 23 and 24: Session Fixation ExploitationSummar
Page 25 and 26: Three Case Studies• From real-wor
Page 27 and 28: Case Study #1Joomla! Open-Source CM
Page 29 and 30: #1 Discovery and Exploitation• Ta
Page 31 and 32: #1 Vulnerability Disclosure Timelin
Page 33 and 34: Case Study #2Commercial Web Applica
Page 35 and 36: #2 Discovery and Exploitation (1)
Page 39 and 40: #2 Impact• Three possible scenari
Page 41 and 42: WebLogic HTTPS Enforcement (2)• H
Page 45 and 46: #2 Protections (2)HTTPS Secure Cook
Page 47 and 48: #2 Protections (4)WebLogic Session
Page 49 and 50: #2 Protections (6)Summary• Too ma
Page 51 and 52: #2 Protections (8)Industry standard
Page 53 and 54: #3 Summary• Session fixation in t
Page 57 and 58: #3 Discovery and Exploitation (4)Co
Page 61 and 62: #3 Impact (1)• Hijack any SAP use
Page 63 and 64: #3 Impact (2)• Direct impact of s
Page 67 and 68: SAP Disclosure Guidelines (1)• SA
Page 69 and 70: #3 Protections (1)• Monthly Patch
Page 71: #3 Protections (3)• Use HTTPS-onl
Page 75 and 76: Conclusions (1)• Session fixation
Page 77 and 78: Conclusions (3)• Impact on the we
Page 79 and 80: Questions? Copyright © 2011 Taddon
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SAP: Session (Fixation) Attacks and Protections - Black Hat

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