USN-5628-1

It was discovered that etcd incorrectly handled certain specially crafted WAL files. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-15106, CVE-2020-15112)

It was discovered that etcd incorrectly handled directory permissions when trying to create a directory that exists already. An attacker could possibly use this issue to obtain sensitive information. (CVE-2020-15113)

It was discovered that etcd incorrectly handled endpoint setup. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-15114)

References

Affected packages

Ubuntu:20.04:LTS / etcd

Package

Name: etcd
Purl: pkg:deb/ubuntu/etcd@3.2.26+dfsg-6ubuntu0.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.2.26+dfsg-6ubuntu0.1

Affected versions

3.*

3.2.26+dfsg-3

3.2.26+dfsg-4

3.2.26+dfsg-6

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "etcd",
            "binary_version": "3.2.26+dfsg-6ubuntu0.1"
        },
        {
            "binary_name": "etcd-client",
            "binary_version": "3.2.26+dfsg-6ubuntu0.1"
        },
        {
            "binary_name": "etcd-server",
            "binary_version": "3.2.26+dfsg-6ubuntu0.1"
        },
        {
            "binary_name": "golang-etcd-server-dev",
            "binary_version": "3.2.26+dfsg-6ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-15106"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-15112"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-15113"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-15114"
        }
    ]
}