Swedbank Estonia Internet bank ID card authentication bypass

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The flaw in Swedbank Estonia Internet bank allows to login just by knowing the victim's user ID.

Timeline:
2013.04.19. 15:55 - reported to CERT-EE
2013.04.19. 18:30 - fixed by Swedbank Estonia

The flaw is caused by allegedly misconfigured F5 BIG-IP LTM server's failure to verify signature of the X.509 certificate received in the ID card authentication process. The proof-of-concept video shows how victim's original certificate is retrieved from the public LDAP directory and certificate's public key is replaced with a public key from a freshly generated RSA keypair. The modified "fake" certificate is then imported in the browser and submited in the authentication process.

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Eestis..Kiviõli linnas..on üks ainuke Swed banka automaat kus saab sula raha panna kaardi peale....ja see automaat on kogu aeg katki...Parandage palun ärä...või Rootsis on sama sittad automaadid?

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