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.osv.dev/v1/vulns/USN-4989-1
Upstream
Related
Published
2021-06-16T12:18:32.742272Z
Modified
2025-07-16T08:33:09.989116Z
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@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 

{
    "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-dbg",
            "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",
            "binary_version": "5.48-0ubuntu3.5"
        },
        {
            "binary_name": "libbluetooth3-dbg",
            "binary_version": "5.48-0ubuntu3.5"
        }
    ]
}

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 

{
    "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-dbg",
            "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",
            "binary_version": "5.53-0ubuntu3.2"
        },
        {
            "binary_name": "libbluetooth3-dbg",
            "binary_version": "5.53-0ubuntu3.2"
        }
    ]
}