USN-4989-1

It was discovered that BlueZ incorrectly checked certain permissions when pairing. A local attacker could possibly use this issue to impersonate devices. (CVE-2020-26558)

Jay LV discovered that BlueZ incorrectly handled redundant disconnect MGMT events. A local attacker could use this issue to cause BlueZ to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-27153)

Ziming Zhang discovered that BlueZ incorrectly handled certain array indexes. A local attacker could use this issue to cause BlueZ to crash, resulting in a denial of service, or possibly obtain sensitive information. This issue only affected Ubuntu 20.04 LTS and Ubuntu 20.10. (CVE-2021-3588)

References

Affected packages

Ubuntu:18.04:LTS / bluez

Package

Name: bluez
Purl: pkg:deb/ubuntu/bluez@5.48-0ubuntu3.5?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.48-0ubuntu3.5

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

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "5.48-0ubuntu3.5",
            "binary_name": "bluetooth"
        },
        {
            "binary_version": "5.48-0ubuntu3.5",
            "binary_name": "bluez"
        },
        {
            "binary_version": "5.48-0ubuntu3.5",
            "binary_name": "bluez-cups"
        },
        {
            "binary_version": "5.48-0ubuntu3.5",
            "binary_name": "bluez-hcidump"
        },
        {
            "binary_version": "5.48-0ubuntu3.5",
            "binary_name": "bluez-obexd"
        },
        {
            "binary_version": "5.48-0ubuntu3.5",
            "binary_name": "bluez-tests"
        },
        {
            "binary_version": "5.48-0ubuntu3.5",
            "binary_name": "libbluetooth-dev"
        },
        {
            "binary_version": "5.48-0ubuntu3.5",
            "binary_name": "libbluetooth3"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2020-26558"
        },
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ],
            "id": "CVE-2020-27153"
        }
    ],
    "ecosystem": "Ubuntu:18.04:LTS"
}

Ubuntu:20.04:LTS / bluez

Package

Name: bluez
Purl: pkg:deb/ubuntu/bluez@5.53-0ubuntu3.2?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.53-0ubuntu3.2

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

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "5.53-0ubuntu3.2",
            "binary_name": "bluetooth"
        },
        {
            "binary_version": "5.53-0ubuntu3.2",
            "binary_name": "bluez"
        },
        {
            "binary_version": "5.53-0ubuntu3.2",
            "binary_name": "bluez-cups"
        },
        {
            "binary_version": "5.53-0ubuntu3.2",
            "binary_name": "bluez-hcidump"
        },
        {
            "binary_version": "5.53-0ubuntu3.2",
            "binary_name": "bluez-obexd"
        },
        {
            "binary_version": "5.53-0ubuntu3.2",
            "binary_name": "bluez-tests"
        },
        {
            "binary_version": "5.53-0ubuntu3.2",
            "binary_name": "libbluetooth-dev"
        },
        {
            "binary_version": "5.53-0ubuntu3.2",
            "binary_name": "libbluetooth3"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2020-26558"
        },
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ],
            "id": "CVE-2020-27153"
        },
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2021-3588"
        }
    ],
    "ecosystem": "Ubuntu:20.04:LTS"
}