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SAP R/3, account locking and RFC SDK
From: Nicolas Gregoire <ngregoire () exaprobe com>
Date: 04 Mar 2003 16:54:46 +0100
Hi, I wrote a networked password checker for SAP R/3, mainly based on the sapinfo program provided by SAP and using the RFC (Remote Function Call) API. In a default install of SAP R/3, three bad login/password attempts in the SAPGUI will kill the GUI. After 4 SAPGUI deaths (4*3 = 12 attempts), the tested account is locked (UFLAG=128 in SAPR3.USR02). My problem is that, with the RFC API, I can check as much login/password combo as I want, without locking the target account. Once the password is found, I just have to use SAPGUI to log in the SAP system. So, IMO and as far as I tested it, account locking isn't working via the API provided by the SDK RFC. Could somebody confirm this behaviour ? This was tested on Linux for the client side and on Win2K for the server side. The release of SAP R/3 is 46C/D. Regards, -- Nicolas Gregoire ----- Consultant en Sécurité des Systèmes d'Information ngregoire () exaprobe com ------[ ExaProbe ]------ http://www.exaprobe.com/ PGP KeyID:CA61B44F FingerPrint:1CC647FF1A55664BA2D2AFDACA6A21DACA61B44F
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- SAP R/3, account locking and RFC SDK Nicolas Gregoire (Mar 04)