UBUNTU-CVE-2020-27153

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Source
https://ubuntu.com/security/CVE-2020-27153
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27153.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-27153
Upstream
Downstream
Related
Published
2020-10-15T03:15:00Z
Modified
2025-09-08T16:46:26Z
Severity
  • 8.6 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

In BlueZ before 5.55, a double free was found in the gatttool disconnect_cb() routine from shared/att.c. A remote attacker could potentially cause a denial of service or code execution, during service discovery, due to a redundant disconnect MGMT event.

References

Affected packages

Ubuntu:Pro:16.04:LTS / bluez

Package

Name
bluez
Purl
pkg:deb/ubuntu/bluez@5.37-0ubuntu5.3+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.37-0ubuntu5.3+esm1

Affected versions

5.*

5.35-0ubuntu2
5.36-0ubuntu1
5.37-0ubuntu5
5.37-0ubuntu5.1
5.37-0ubuntu5.3

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "5.37-0ubuntu5.3+esm1",
            "binary_name": "bluetooth"
        },
        {
            "binary_version": "5.37-0ubuntu5.3+esm1",
            "binary_name": "bluez"
        },
        {
            "binary_version": "5.37-0ubuntu5.3+esm1",
            "binary_name": "bluez-cups"
        },
        {
            "binary_version": "5.37-0ubuntu5.3+esm1",
            "binary_name": "bluez-hcidump"
        },
        {
            "binary_version": "5.37-0ubuntu5.3+esm1",
            "binary_name": "bluez-obexd"
        },
        {
            "binary_version": "5.37-0ubuntu5.3+esm1",
            "binary_name": "bluez-tests"
        },
        {
            "binary_version": "5.37-0ubuntu5.3+esm1",
            "binary_name": "libbluetooth-dev"
        },
        {
            "binary_version": "5.37-0ubuntu5.3+esm1",
            "binary_name": "libbluetooth3"
        }
    ]
}

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_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"
        }
    ]
}

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_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"
        }
    ]
}