CVE-2020-12692

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

07/05/2020

Last modified:

27/04/2022

Description

An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The EC2 API doesn&#39;t have a signature TTL check for AWS Signature V4. An attacker can sniff the Authorization header, and then use it to reissue an OpenStack token an unlimited number of times.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.40 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x

5.40

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:L/Au:S/C:P/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): None

Base Score 2.0

5.50

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:openstack:keystone::::::::		15.0.1 (excluding)
cpe:2.3:a:openstack:keystone:16.0.0:::::::*
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::

To consult the complete list of CPE names with products and versions, see this page

CVE-2020-12692

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools