TIBCO Security Advisory: August 7, 2019 - TIBCO API Exchange

TIBCO API Exchange Processes OAuth Incorrectly

Original release date: August 7, 2019
Last revised:
CVE-2019-11208
Source: TIBCO Software Inc.

Systems Affected

  • TIBCO API Exchange Gateway versions 2.3.1 and below
  • TIBCO API Exchange Gateway Distribution for TIBCO Silver Fabric versions
    2.3.1 and below

The following component is affected:

  • authorization

Description

The component listed above contains a vulnerability that theoretically processes OAuth authorization incorrectly, leading to potential escalation of privileges for the specific customer endpoint, when the implementation uses multiple scopes.

Impact

The impact of this vulnerability includes the theoretical possibility that an attacker could gain access to all scopes defined for a given customer endpoint.

  CVSS v3 Base Score: 6.4 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Solution

TIBCO has released updated versions of the affected systems which address these issues.

  • TIBCO API Exchange Gateway versions 2.3.1 and below update to version 2.3.2 or higher
  • TIBCO API Exchange Gateway Distribution for TIBCO Silver Fabric versions 2.3.1 and below update to version 2.3.2 or higher

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