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Untrusted XML input parsing possible in the runtime of SAP NetWeaver Business Client, SAP security note 2183189

Description

A malicious user can modify an XML-based request to include XML content that is then parsed locally.
This could allow a malicious user to perform a denial of service (DoS) on the parsing system, or disclose local data that is then returned in the response to the malicious request, or access further network-located resources that are accessible from the parsing system.

CVSS Information

CVSS Base Score: 4.9 / 10
CVSS Base Vector:

AV : Access Vector (Related exploit range)

Network (N)

AC : Access Complexity (Required attack complexity)

Medium (M)

Au : Authentication (Level of authentication needed to exploit)

Single (S)

C : Impact to Confidentiality

Partial (P)

I : Impact to Integrity

None (N)

A : Impact to Availability

Partial (P)

SAP provides this CVSS 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

  • UI2_FND | 100 | 100
  • SAP_UI | 740 | 740
  • SAP_BASIS | 700 | 702
  • SAP_BASIS | 711 | 711
  • SAP_BASIS | 730 | 730
  • SAP_BASIS | 731 | 731
  • UI2_FND 100 | SAPK-10014INUI2FND |
  • SAP_UI 740 | SAPK-74014INSAPUI |
  • SAP_UI 740 | SAPK-74014INSAPUI |
  • SAP_BASIS 711 | SAPKB71115 |
  • SAP_BASIS 700 | SAPKB70033 |
  • SAP_BASIS 701 | SAPKB70118 |
  • SAP_BASIS 702 | SAPKB70218 |
  • SAP_BASIS 730 | SAPKB73014 |
  • SAP_BASIS 731 | SAPKB73117 |

Affected component

    BC-FES-BUS-RUN
    Runtime

CVSS

Score: 0

Exploit

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

URL

https://launchpad.support.sap.com/#/notes/2183189

TAGS

#XXE
#XML-eXternal-Entity
#information-disclosure
#denial-of-service
#DoS
#SAP-NetWeaver-Business-Client-(NWBC)-runtime

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