USN-4480-1

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

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

Database specific

cves_map

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