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Vahagn Vardanian

Vahagn Vardanian

Co-founder and CTO of RedRays

CVE-2019-0365 Denial of service (DOS) in SAP Kernel (RFC), SAP GUI for Windows and SAP GUI for Java, SAP security note 2786151

Description

UPDATE 24th September 2019: This note has been re-released with updated ‘Reason and Prerequisites’ information.

SAP Kernel (RFC), SAP GUI for Windows and SAP GUI for Java allow an attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service. Some well-known impacts of Denial of Service vulnerability are –

  • long response delays and service interruptions, thus degrading the service quality experienced by legitimate users
  • direct impact on availability

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
  • KRNL64UC | 7.53 | 7.53
  • KRNL64UC | 7.73 | 7.73
  • BC-FES-GUI | 7.50 | 7.50
  • BC-FES-GUI | 7.60 | 7.60
  • BC-FES-JAV | 7.50 | 7.50
  • KERNEL | 7.21 | 7.22
  • SAP GUI FOR JAVA 7.50 | SP007 | 000000
  • SAP GUI FOR WINDOWS 7.50 CORE | SP011 | 000001
  • SAP GUI FOR WINDOWS 7.60 CORE | SP002 | 000000
  • SAP KERNEL 7.21 32-BIT | SP1310 | 001310
  • SAP KERNEL 7.21 32-BIT UNICODE | SP1310 | 001310
  • SAP KERNEL 7.21 64-BIT | SP1310 | 001310
  • SAP KERNEL 7.21 64-BIT UNICODE | SP1310 | 001310
  • SAP KERNEL 7.21 EXT 64-BIT | SP1310 | 001310
  • SAP KERNEL 7.21 EXT 64-BIT UC | SP1310 | 001310
  • SAP KERNEL 7.22 64-BIT | SP815 | 000815
  • SAP KERNEL 7.22 64-BIT UNICODE | SP815 | 000815
  • SAP KERNEL 7.22 EXT 64-BIT | SP815 | 000815
  • SAP KERNEL 7.22 EXT 64-BIT UC | SP815 | 000815
  • SAP KERNEL 7.49 64-BIT | SP715 | 000715
  • SAP KERNEL 7.49 64-BIT UNICODE | SP715 | 000715
  • SAP KERNEL 7.53 64-BIT | SP401 | 000401
  • SAP KERNEL 7.53 64-BIT | SP422 | 000422
  • SAP KERNEL 7.53 64-BIT UNICODE | SP401 | 000401
  • SAP KERNEL 7.53 64-BIT UNICODE | SP422 | 000422
  • SAP KERNEL 7.73 64-BIT UNICODE | SP210 | 000210
  • SAP KERNEL 7.76 64-BIT UNICODE | SP016 | 000016

Affected component

    BC-MID-RFC
    RFC

CVSS

Score: 5.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

PoC

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

URL

https://launchpad.support.sap.com/#/notes/2786151

TAGS

#&65279-DoS
#DDoS
#Distributed-Denial-of-Service
#Uncontrolled-Resource-consumption
#Resource-Exhaustion
#RFC-header
#CVE-2019-0365

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