USN-4480-1

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Source
https://ubuntu.com/security/notices/USN-4480-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4480-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4480-1
Upstream
Related
Published
2020-09-01T11:10:10.177293Z
Modified
2025-10-13T04:35:12Z
Summary
keystone vulnerabilities
Details

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)

References

Affected packages

Ubuntu:18.04:LTS / keystone

Package

Name
keystone
Purl
pkg:deb/ubuntu/keystone@2:13.0.4-0ubuntu1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:13.0.4-0ubuntu1

Affected versions

2:12.*

2:12.0.0-0ubuntu1

2:13.*

2:13.0.0~b1-0ubuntu1
2:13.0.0~b2-0ubuntu1
2:13.0.0~b3-0ubuntu1
2:13.0.0~rc1-0ubuntu1
2:13.0.0~rc2-0ubuntu1
2:13.0.0-0ubuntu1
2:13.0.1-0ubuntu1
2:13.0.2-0ubuntu1
2:13.0.2-0ubuntu3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2:13.0.4-0ubuntu1",
            "binary_name": "keystone"
        },
        {
            "binary_version": "2:13.0.4-0ubuntu1",
            "binary_name": "python-keystone"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-12689"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-12690"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-12691"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-12692"
        }
    ]
}