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Vahagn Vardanian

Vahagn Vardanian

Co-founder and CTO of RedRays

CVE-2020-6240 Denial of service (DOS) in SAP NetWeaver Application Server ABAP (Web Dynpro ABAP), SAP security note 2856923

Description

Web Dynpro ABAP allows 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

  • SAP_UI | 750 | 750
  • SAP_UI | 752 | 752
  • SAP_UI | 753 | 753
  • SAP_UI | 754 | 754
  • SAP_BASIS | 700 | 702
  • SAP_BASIS | 710 | 711
  • SAP_BASIS | 730 | 730
  • SAP_BASIS | 731 | 731
  • SAP_BASIS | 804 | 804
  • SAP_UI 752 | SAPK-75209INSAPUI |
  • SAP_UI 753 | SAPK-75306INSAPUI |
  • SAP_UI 754 | SAPK-75403INSAPUI |
  • SAP_UI 750 | SAPK-75018INSAPUI |
  • SAP_BASIS 710 | SAPKB71025 |
  • SAP_BASIS 711 | SAPKB71120 |
  • SAP_BASIS 700 | SAPKB70038 |
  • SAP_BASIS 701 | SAPKB70123 |
  • SAP_BASIS 702 | SAPKB70223 |
  • SAP_BASIS 730 | SAPKB73021 |
  • SAP_BASIS 731 | SAPKB73127 |
  • SAP_BASIS 804 | SAPK-804H5INSAPBASIS |

Affected component

    BC-WD-ABA
    Web Dynpro ABAP

CVSS

Score: 5.3
CVSS:/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/2856923

TAGS

#&65279-DoS
#DDoS
#Distributed-Denial-of-Service
#Uncontrolled-Resource-consumption
#Resource-Exhaustion
#&160-CVE-2020-6240

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