Secure Salesforce: Hardened Apps with the Mobile SDK
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The document discusses the security aspects of Salesforce's Mobile SDK, highlighting risks and best practices for secure app development. It covers topics such as authentication, secure storage, data transmission, and threats such as insecure storage and client-side injection. Additionally, it emphasizes the importance of following secure coding guidelines and using platform-specific security mechanisms.
Secure Salesforce: Hardened Apps with the Mobile SDK
- 1. Secure Salesforce: Hardened Apps with the Mobile SDK ââŻMartin Vigo ââŻProduct Security Engineer ââŻ[email protected] ââŻ@martin_vigo â⯠ââŻMax Feldman ââŻProduct Security Engineer ââŻ[email protected] ââŻ
- 2. ââŻSafe harbor statement under the Private Securities Litigation Reform Act of 1995: ââŻThis presentation may contain forward-looking statements that involve risks, uncertainties, and assumptions. If any such uncertainties materialize or if any of the assumptions proves incorrect, the results of salesforce.com, inc. could diďŹer materially from the results expressed or implied by the forward-looking statements we make. All statements other than statements of historical fact could be deemed forward- looking, including any projections of product or service availability, subscriber growth, earnings, revenues, or other ďŹnancial items and any statements regarding strategies or plans of management for future operations, statements of belief, any statements concerning new, planned, or upgraded services or technology developments and customer contracts or use of our services. ââŻThe risks and uncertainties referred to above include â but are not limited to â risks associated with developing and delivering new functionality for our service, new products and services, our new business model, our past operating losses, possible ďŹuctuations in our operating results and rate of growth, interruptions or delays in our Web hosting, breach of our security measures, the outcome of any litigation, risks associated with completed and any possible mergers and acquisitions, the immature market in which we operate, our relatively limited operating history, our ability to expand, retain, and motivate our employees and manage our growth, new releases of our service and successful customer deployment, our limited history reselling non-salesforce.com products, and utilization and selling to larger enterprise customers. Further information on potential factors that could aďŹect the ďŹnancial results of salesforce.com, inc. is included in our annual report on Form 10-K for the most recent ďŹscal year and in our quarterly report on Form 10-Q for the most recent ďŹscal quarter. These documents and others containing important disclosures are available on the SEC Filings section of the Investor Information section of our Web site. ââŻAny unreleased services or features referenced in this or other presentations, press releases or public statements are not currently available and may not be delivered on time or at all. Customers who purchase our services should make the purchase decisions based upon features that are currently available. Salesforce.com, inc. assumes no obligation and does not intend to update these forward-looking statements. Safe Harbor
- 3. Slides will be made available after the talk No photos required
- 4. Martin Vigo Product Security Engineer @martin_vigo
- 5. Max Feldman Product Security Engineer
- 9. â˘âŻ File system / Insecure storage â˘âŻ Network communication â˘âŻ Crypto â˘âŻ Clipboard â˘âŻ Backups â˘âŻ RPC, URL scheme handlers â˘âŻ XSS â˘âŻ CSRF â˘âŻ SQLi â˘âŻ Input validation â˘âŻ Output encoding â˘âŻ Application logic ďŹaws Native VS Hybrid ââŻThreats
- 11. â˘âŻ Binary protections â˘âŻ Best practice â˘âŻ Security through obscurity â˘âŻ Server side controls â˘âŻ Our servers take care of this â˘âŻ The SDK will talk to our APIs Not applicable Binary Protections/Server Side Controls
- 12. Insecure Storage
- 13. â˘âŻ Explicit storage â˘âŻ Credentials / OAuth tokens â˘âŻ Personal data â˘âŻ Preferences â˘âŻ Logs â˘âŻ Automatic storage â˘âŻ Temp ďŹles â˘âŻ Cache data Storing secrets the wrong way Insecure Storage App Sandbox External storage Backups Hardcoded data
- 14. â˘âŻ Logs â˘âŻ Debugging information â˘âŻ Crashes â˘âŻ Analytics â˘âŻ Caches â˘âŻ Unique urls â˘âŻ Requests/Responses containing sensitive data â˘âŻ Images Leaving traces behind Data Leakage
- 15. Broken Crypto
- 16. â˘âŻ ROT-13 isnât the only insecure means of encrypting â˘âŻ âsecretâ => âfrpergâ â˘âŻ AES - advanced encryption standard â˘âŻ Secure, but that security depends on â˘âŻ Key length â˘âŻ Cipher mode â˘âŻ Others â˘âŻ Lots of ways to mess up â˘âŻ So what can you do? https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Electronic_Codebook_.28ECB.29 Keeping your secrets safe Encryption Original Encrypted with ECB mode
- 17. SmartStore Demo Secure storage with the SDK
- 18. How to store a secret SmartStore
- 19. Bad TLS / Transport Security
- 20. â˘âŻ HTTP? â˘âŻ No guarantee of conďŹdentiality â˘âŻ HTTPS â˘âŻ Which protocol? Which version? Which cipher suites? â˘âŻ How can this go wrong? â˘âŻ Handled by our servers automatically â˘âŻ CertiďŹcates â˘âŻ What will we accept? Self-signed? Mismatched hostnames? â˘âŻ How can this go wrong? â˘âŻ The mobile SDK will take care of this Securely transmitting data TLS/Secure Transport
- 21. Secure Transport with the SDK Demo The SDK can easily handle secure callouts to Salesforce
- 22. How to query Salesforce securely Secure Transport
- 24. â˘âŻ Tampering with network traďŹc â˘âŻ Bypass validations â˘âŻ Modify user ďŹow â˘âŻ Break restrictions â˘âŻ Tampering with the application logic â˘âŻ Activities / Intents â˘âŻ RPC and URL scheme handlers â˘âŻ Memory Tampering with data locally Client Side Injection
- 25. â˘âŻ Validation / Sanitization must be server side â˘âŻ Everything can be tampered with client side â˘âŻ Client side validation is only for usability, not security â˘âŻ Donât make security decisions based on client side data Delegating to the server Client Side Injection
- 26. Authentication and Authorization Proper access controls
- 27. â˘âŻ Authentication â verify that someone claiming to be âBobâ is indeed âBobâ â˘âŻ Authorization â verifying that Bob can access only what he should â˘âŻ No guarantee of conďŹdentiality â˘âŻ We want a user to be able to login and access their Salesforce data â˘âŻ But we donât want every app developer to have the credentials of a Salesforce user â˘âŻ OAuth allows us to do this â˘âŻ Only Salesforce sees their credentials â˘âŻ The mobile SDK makes this easy and accessible Who is who and what can they access Authentication and Authorization
- 29. â˘âŻ Sessions must be: â˘âŻ Unguessable/unpredictable â˘âŻ Short-lived enough to be secure, long-lived enough to be useful â˘âŻ Other requirements â˘âŻ The OAuth ďŹow, sessions, tokens are all managed by our servers â˘âŻ then stored and managed securely by the SDK https://www.owasp.org/index.php/Session_Management_Cheat_Sheet Session Management
- 30. Mobile SDK OAuth Demo The SDK makes OAuth easy
- 31. Security Decisions via Untrusted Inputs
- 32. â˘âŻ Malicious apps can try to interact with our app â˘âŻ We have to verify who is talking to us â˘âŻ Use whitelists of trusted applications â˘âŻ Handlers can trigger sensitive actions â˘âŻ Make the user aware of them â˘âŻ Donât perform actions automatically â˘âŻ SpooďŹng / Eavesdropping â˘âŻ Donât pass any sensitive information â˘âŻ Malicious payloads â˘âŻ Always validate IPC input Trusting malicious sources Untrusted Inputs
- 33. Conclusion
- 34. â˘âŻ Open source platform â˘âŻ Active project â˘âŻ Provides secure storage through encryption â˘âŻ Enforces secure communication â˘âŻ Provides easy authentication/authorization â˘âŻ Uses platform-speciďŹc security mechanisms â˘âŻ Follows best practices and secure coding guidelines Security-wise What is the Mobile SDK?
- 35. â˘âŻ Secure storage and data management â˘âŻ Use SmartStore â˘âŻ Secure transport and data transmission â˘âŻ Use built in SFDC APIs â˘âŻ Easy and manageable authentication and authorization â˘âŻ Use SDKâs OAuth handling â˘âŻ Untrusted inputs â˘âŻ Salesforce enforces server side validation Recap
- 36. â˘âŻ Mobile SDK - https://developer.salesforce.com/page/Mobile_SDK â˘âŻ Secure Coding Guidelines - https://developer.salesforce.com/page/Testing_CRUD_and_FLS_Enforcement â˘âŻ CRUD & FLS Enforcement Guide - https://developer.salesforce.com/page/Enforcing_CRUD_and_FLS â˘âŻ Salesforce StackExchange - http://salesforce.stackexchange.com/questions/tagged/security â˘âŻ Developer.Salesforce.com Security Forum - https://developer.salesforce.com/forums/#!/feedtype=RECENT&criteria=ALLQUESTIONS â˘âŻ Security OďŹce Hours (Partners) - http://security.force.com/security/contact/ohours â˘âŻ Security Implementation Guide - https://developer.salesforce.com/docs/atlas.en-us.securityImplGuide.meta/ securityImplGuide/ Additional Resources
- 37. Secure Salesforce at Dreamforce 2015 â⯠10 DevZone Talks and 2 Lighting Zone Talks covering all aspects of Security on the Salesforce Platform â⯠Visit our booth in the DevZone with any security questions â⯠Check out the schedule and details at http://bit.ly/DF15Sec â⯠Admin-related security questions? â⯠Join us for coďŹee in the Admin Zone Security Cafe
- 38. Q&A
- 39. Secure Salesforce â⯠Code Scanning with Checkmarx â⯠Robert Sussland and Gideon Kreiner â⯠3:30 pm in Moscone West 2011 â⯠Lightning Components Best Practices â⯠Robert Sussland and Sergey Gorbaty â⯠4:45 pm in Moscone West 2007 â⯠Common Secure Coding Mistakes â⯠Rachel Black and Alejandro Raigon Munoz â⯠5:00 pm in Moscone West 2006 â⯠Chimera: External Integration Security â⯠Tim Bach and Travis SaďŹord â⯠Friday, 9/18 10:00 am in Moscone West 2009
- 40. Share Your Feedback, and Win a GoPro! 3 Earn a GoPro prize entry for each completed surveyTap the bell to take a survey2Enroll in a session1