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RFC logon Security problems, SAP security note 830528

Description

  • You are able to perform an RFC logon without a password.
    (This is possible only if you are using an RFC library Version 6.40.)
  • The password logon failed counter is not increased when logon attempts fail after previous RFC system calls.
    (These are functions of the function module group SRFC.)

Available fix and Supported packages

  • SAP_APPL | 30C | 30F
  • SAP_APPL | 31G | 31I
  • SAP_APPL | 40A | 40B
  • SAP_APPL | 45A | 45B
  • SAP_BASIS | 46A | 46D
  • SAP_BASIS | 610 | 640
  • SAP_BASIS | 700 | 700

Affected component

    BC-MID-RFC
    RFC

CVSS

Score: 0

Exploit

Exploit is not available.
For detailed information please contact the mail [email protected]

URL

https://launchpad.support.sap.com/#/notes/830528

TAGS

#CALL_FUNCTION_SIGNON_INCOMPLETE
#SRFC
#CALL_FUNCTION_SYSCALL_ONLY
#000
#SAPSYS