UbuntuUSN-4989-1BlueZ vulnerabilities
8.6 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
8.1 High
AI Score
Confidence
Low
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.05 Low
EPSS
Percentile
92.7%
Releases
- Ubuntu 21.04
- Ubuntu 20.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 ESM
Packages
- bluez - Bluetooth tools and daemons
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)
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 21.04 | noarch | libbluetooth3 | < 5.56-0ubuntu4.1 | UNKNOWN |
| Ubuntu | 21.04 | noarch | bluetooth | < 5.56-0ubuntu4.1 | UNKNOWN |
| Ubuntu | 21.04 | noarch | bluez | < 5.56-0ubuntu4.1 | UNKNOWN |
| Ubuntu | 21.04 | noarch | bluez-cups | < 5.56-0ubuntu4.1 | UNKNOWN |
| Ubuntu | 21.04 | noarch | bluez-dbg | < 5.56-0ubuntu4.1 | UNKNOWN |
| Ubuntu | 21.04 | noarch | bluez-hcidump | < 5.56-0ubuntu4.1 | UNKNOWN |
| Ubuntu | 21.04 | noarch | bluez-obexd | < 5.56-0ubuntu4.1 | UNKNOWN |
| Ubuntu | 21.04 | noarch | bluez-tests | < 5.56-0ubuntu4.1 | UNKNOWN |
| Ubuntu | 21.04 | noarch | libbluetooth-dev | < 5.56-0ubuntu4.1 | UNKNOWN |
| Ubuntu | 21.04 | noarch | libbluetooth3-dbg | < 5.56-0ubuntu4.1 | UNKNOWN |
Related
8.6 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
8.1 High
AI Score
Confidence
Low
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.05 Low
EPSS
Percentile
92.7%