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Access Restriction Bypass Affecting keystonemiddleware package, versions [,1.5.4) [2.0,2.3.3)

0.0
high

Snyk CVSS

    Attack Complexity High
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.21% (59th percentile)
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NVD
7.5 high
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Red Hat
5.4 medium

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  • Snyk ID SNYK-PYTHON-KEYSTONEMIDDLEWARE-40673
  • published 25 Dec 2017
  • disclosed 1 Sep 2015
  • credit Unknown
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Introduced: 1 Sep 2015

CVE-2015-7546 Open this link in a new tab
CWE-285 Open this link in a new tab

Overview

keystonemiddleware is a Middleware for OpenStack Identity.

Affected versions of this package are vulnerable to Access Restriction Bypass.

The identity service in OpenStack Identity (Keystone) before 2015.1.3 (Kilo) and 8.0.x before 8.0.2 (Liberty) and keystonemiddleware (formerly python-keystoneclient) before 1.5.4 (Kilo) and Liberty before 2.3.3 does not properly invalidate authorization tokens when using the PKI or PKIZ token providers, which allows remote authenticated users to bypass intended access restrictions and gain access to cloud resources by manipulating byte fields within a revoked token.