USN-4989-1

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Source
https://ubuntu.com/security/notices/USN-4989-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4989-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4989-1
Upstream
Related
Published
2021-06-16T12:18:32Z
Modified
2026-06-03T13:50:02Z
Summary
bluez vulnerabilities
Details

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?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown 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 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "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":  "libbluetooth3",
            "binary_version":  "5.48-0ubuntu3.5"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2020-26558",
            "severity":  [
                {
                    "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":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2020-27153",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "low",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:18.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4989-1.json"

Ubuntu:20.04:LTS / bluez

Package

Name
bluez
Purl
pkg:deb/ubuntu/bluez?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown 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 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "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":  "libbluetooth3",
            "binary_version":  "5.53-0ubuntu3.2"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2020-26558",
            "severity":  [
                {
                    "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":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2020-27153",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "low",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2021-3588",
            "severity":  [
                {
                    "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":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:20.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4989-1.json"