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Missing authorization check in OAuth2 Server Runtime, SAP security note 2269315

Description

An authenticated user (with valid OAuth2 access token) can use OData services to which access should be restricted using OAuth2 scopes. This may result in an escalation of privileges.

CVSS Information

CVSS v3 Base Score: 6.3 / 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)

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

Low (L)

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

  • SAP_BASIS | 731 | 731
  • SAP_BASIS | 740 | 740
  • SAP_BASIS | 750 | 750
  • SAP_BASIS 731 | SAPKB73118 |
  • SAP_BASIS 740 | SAPKB74015 |
  • SAP_BASIS 750 | SAPK-75003INSAPBASIS |

Affected component

    BC-SEC-LGN
    Authentication

CVSS

Score: 0

Exploit

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

URL

https://launchpad.support.sap.com/#/notes/2269315

TAGS

#OAuth2
#OData
#Scope-check

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