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CVE-2017-16689 Additional Authentication check in Trusted RFC on same system, SAP security note 2449757

Description

A Trusted RFC connection can be established to a different client or a different user on the same system, although no explicit Trusted/Trusting Relation to the same system has been defined via transaction SMT1.

CVSS Information

CVSS v3 Base Score: 7.6 / 10
CVSS v3 Base Vector:

AV : Attack Vector (Related exploit range)

Network (N)

AC : Attack Complexity (Required attack complexity)

Low (L)

PR : Privileges Required (Level of privileges needed to exploit)

Low (L)

UI : User Interaction (Required user participation)

None (N)

S : Scope (Change in scope due to impact caused to components beyond the vulnerable component)

Unchanged (U)

C : Impact to Confidentiality

High (H)

I : Impact to Integrity

Low (L)

A : Impact to Availability

Low (L)

SAP provides this CVSS v3 base score as an estimate of the risk posed by the issue reported in this note. This estimate does not take into account your own system configuration or operational environment. It is not intended to replace any risk assessments you are advised to conduct when deciding on the applicability or priority of this SAP security note. For more information, see the FAQ section at https://support.sap.com/securitynotes.

Available fix and Supported packages

  • KRNL32NUC | 7.21 | 7.21
  • KRNL32NUC | 7.21EXT | 7.21EXT
  • KRNL32UC | 7.21 | 7.21
  • KRNL32UC | 7.21EXT | 7.21EXT
  • KRNL64NUC | 7.21 | 7.21
  • KRNL64NUC | 7.21EXT | 7.21EXT
  • KRNL64NUC | 7.22 | 7.22
  • KRNL64NUC | 7.22EXT | 7.22EXT
  • KRNL64NUC | 7.49 | 7.49
  • KRNL64UC | 7.21 | 7.21
  • KRNL64UC | 7.21EXT | 7.21EXT
  • KRNL64UC | 7.22 | 7.22
  • KRNL64UC | 7.22EXT | 7.22EXT
  • KRNL64UC | 7.49 | 7.49
  • KERNEL | 7.21 | 7.22
  • KERNEL | 7.45 | 7.45
  • KERNEL | 7.49 | 7.49
  • SAP KERNEL 7.21 32-BIT | SP920 | 000920
  • SAP KERNEL 7.21 32-BIT UNICODE | SP920 | 000920
  • SAP KERNEL 7.21 64-BIT | SP920 | 000920
  • SAP KERNEL 7.21 64-BIT UNICODE | SP920 | 000920
  • SAP KERNEL 7.21 EXT 32-BIT | SP920 | 000920
  • SAP KERNEL 7.21 EXT 32-BIT UC | SP920 | 000920
  • SAP KERNEL 7.21 EXT 64-BIT | SP920 | 000920
  • SAP KERNEL 7.21 EXT 64-BIT UC | SP920 | 000920
  • SAP KERNEL 7.22 64-BIT | SP417 | 000417
  • SAP KERNEL 7.22 64-BIT UNICODE | SP417 | 000417
  • SAP KERNEL 7.22 EXT 64-BIT | SP417 | 000417
  • SAP KERNEL 7.22 EXT 64-BIT UC | SP417 | 000417
  • SAP KERNEL 7.45 64-BIT | SP519 | 000519
  • SAP KERNEL 7.45 64-BIT | SP612 | 000612
  • SAP KERNEL 7.45 64-BIT UNICODE | SP519 | 000519
  • SAP KERNEL 7.45 64-BIT UNICODE | SP612 | 000612
  • SAP KERNEL 7.49 64-BIT | SP310 | 000310
  • SAP KERNEL 7.49 64-BIT UNICODE | SP310 | 000310

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/2449757

TAGS

#S_RFCACL-SMT1
#&160-CVE-2017-16689