USN-5155-1

It was discovered that BlueZ incorrectly handled the Discoverable status when a device is powered down. This could result in devices being powered up discoverable, contrary to expectations. This issue only affected Ubuntu 20.04 LTS, Ubuntu 21.04, and Ubuntu 21.10. (CVE-2021-3658)

It was discovered that BlueZ incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause BlueZ to consume resources, leading to a denial of service. (CVE-2021-41229)

It was discovered that the BlueZ gatt server incorrectly handled disconnects. A remote attacker could possibly use this issue to cause BlueZ to crash, leading to a denial of service. (CVE-2021-43400)

References

Affected packages

Ubuntu:18.04:LTS / bluez

Package

Name: bluez
Purl: pkg:deb/ubuntu/bluez@5.48-0ubuntu3.6?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.48-0ubuntu3.6

Affected versions

5.*

5.46-0ubuntu3

5.46-0ubuntu4

5.48-0ubuntu3

5.48-0ubuntu3.1

5.48-0ubuntu3.2

5.48-0ubuntu3.3

5.48-0ubuntu3.4

5.48-0ubuntu3.5

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "5.48-0ubuntu3.6",
            "binary_name": "bluetooth"
        },
        {
            "binary_version": "5.48-0ubuntu3.6",
            "binary_name": "bluez"
        },
        {
            "binary_version": "5.48-0ubuntu3.6",
            "binary_name": "bluez-cups"
        },
        {
            "binary_version": "5.48-0ubuntu3.6",
            "binary_name": "bluez-hcidump"
        },
        {
            "binary_version": "5.48-0ubuntu3.6",
            "binary_name": "bluez-obexd"
        },
        {
            "binary_version": "5.48-0ubuntu3.6",
            "binary_name": "bluez-tests"
        },
        {
            "binary_version": "5.48-0ubuntu3.6",
            "binary_name": "libbluetooth-dev"
        },
        {
            "binary_version": "5.48-0ubuntu3.6",
            "binary_name": "libbluetooth3"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2021-41229"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2021-43400"
        }
    ]
}

Ubuntu:20.04:LTS / bluez

Package

Name: bluez
Purl: pkg:deb/ubuntu/bluez@5.53-0ubuntu3.4?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.53-0ubuntu3.4

Affected versions

5.*

5.50-0ubuntu4

5.51-0ubuntu1

5.51-0ubuntu2

5.52-0ubuntu1

5.52-0ubuntu2

5.53-0ubuntu1

5.53-0ubuntu2

5.53-0ubuntu3

5.53-0ubuntu3.1

5.53-0ubuntu3.2

5.53-0ubuntu3.3

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "5.53-0ubuntu3.4",
            "binary_name": "bluetooth"
        },
        {
            "binary_version": "5.53-0ubuntu3.4",
            "binary_name": "bluez"
        },
        {
            "binary_version": "5.53-0ubuntu3.4",
            "binary_name": "bluez-cups"
        },
        {
            "binary_version": "5.53-0ubuntu3.4",
            "binary_name": "bluez-hcidump"
        },
        {
            "binary_version": "5.53-0ubuntu3.4",
            "binary_name": "bluez-obexd"
        },
        {
            "binary_version": "5.53-0ubuntu3.4",
            "binary_name": "bluez-tests"
        },
        {
            "binary_version": "5.53-0ubuntu3.4",
            "binary_name": "libbluetooth-dev"
        },
        {
            "binary_version": "5.53-0ubuntu3.4",
            "binary_name": "libbluetooth3"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2021-3658"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2021-41229"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2021-43400"
        }
    ]
}