USN-4989-1
- 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
- 2025-10-13T04:35:32Z
- 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
-
Introduced0Unknown introduced version / All previous versions are affectedFixed5.48-0ubuntu3.5
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": [
{
"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-2020-26558"
},
{
"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": "low",
"type": "Ubuntu"
}
],
"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
-
Introduced0Unknown introduced version / All previous versions are affectedFixed5.53-0ubuntu3.2
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": [
{
"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-2020-26558"
},
{
"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": "low",
"type": "Ubuntu"
}
],
"id": "CVE-2020-27153"
},
{
"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"
}
],
"id": "CVE-2021-3588"
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
}