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Test ID:1.3.6.1.4.1.25623.1.0.844560
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory for keystone (USN-4480-1)
Summary:The remote host is missing an update for the 'keystone'; package(s) announced via the USN-4480-1 advisory.
Description:Summary:
The remote host is missing an update for the 'keystone'
package(s) announced via the USN-4480-1 advisory.

Vulnerability Insight:
It was discovered that OpenStack Keystone incorrectly handled EC2
credentials. An authenticated attacker with a limited scope could possibly
create EC2 credentials with escalated permissions. (CVE-2020-12689,
CVE-2020-12691)

It was discovered that OpenStack Keystone incorrectly handled the list of
roles provided with OAuth1 access tokens. An authenticated user could
possibly end up with more role assignments than intended. (CVE-2020-12690)

It was discovered that OpenStack Keystone incorrectly handled EC2 signature
TTL checks. A remote attacker could possibly use this issue to reuse
Authorization headers. (CVE-2020-12692)

Affected Software/OS:
'keystone' package(s) on Ubuntu 18.04 LTS.

Solution:
Please install the updated package(s).

CVSS Score:
6.5

CVSS Vector:
AV:N/AC:L/Au:S/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-12689
Common Vulnerability Exposure (CVE) ID: CVE-2020-12691
Common Vulnerability Exposure (CVE) ID: CVE-2020-12690
Common Vulnerability Exposure (CVE) ID: CVE-2020-12692
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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