Arpine Maghakyan

Security Researcher of RedRays.

February 19, 2010
3:28 pm

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

CVSS

Score: 0

Exploit

Detailed vulnerability information added to RedRays Security Platform. Contact [email protected] for details.

URL

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

TAGS

#CALL_FUNCTION_SIGNON_INCOMPLETE
#SRFC
#CALL_FUNCTION_SYSCALL_ONLY
#000
#SAPSYS

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