Arpine Maghakyan

Security Researcher of RedRays.

October 10, 2017
12:00 am

Denial of Service in SAP NetWeaver Web Dynpro ABAP, SAP security note 2480857

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

CVSS Information

CVSS v3 Base Score: 5.3 / 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)	None (N)
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	None (N)
I : Impact to Integrity	None (N)
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

SAP_UI | 740 | 740
SAP_UI | 750 | 750
SAP_UI | 751 | 751
SAP_UI | 752 | 752
SAP_BASIS | 700 | 702
SAP_BASIS | 710 | 711
SAP_BASIS | 730 | 730
SAP_BASIS | 731 | 731
SAP_BASIS | 804 | 804
SAP_BASIS | 769 | 770
SAP_UI 740 | SAPK-74019INSAPUI |
SAP_UI 752 | SAPK-75201INSAPUI |
SAP_UI 750 | SAPK-75010INSAPUI |
SAP_UI 751 | SAPK-75105INSAPUI |
SAP_UI 740 | SAPK-74020INSAPUI |
SAP_BASIS 700 | SAPKB70035 |
SAP_BASIS 701 | SAPKB70120 |
SAP_BASIS 702 | SAPKB70220 |
SAP_BASIS 730 | SAPKB73018 |
SAP_BASIS 731 | SAPKB73121 |
SAP_BASIS 710 | SAPKB71023 |
SAP_BASIS 711 | SAPKB71118 |
SAP_BASIS 770 | SAPK-77001INSAPBASIS |
SAP_BASIS 731 | SAPKB73122 |
SAP_BASIS 804 | SAPK-804D2INSAPBASIS |
SAP_BASIS 769 | SAPK-76907INSAPBASIS |

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/2480857

TAGS

#&65279-DoS
#DDoS
#Distributed-Denial-of-Service
#Uncontrolled-Resource-consumption
#Resource-Exhaustion

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