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ubuntuUbuntuUSN-5183-1
HistoryDec 08, 2021 - 12:00 a.m.

BlueZ vulnerability

2021-12-0800:00:00
ubuntu.com
65
bluez
ubuntu 18.04 esm
remote code execution
denial of service
memory handling
sdp attribute requests

CVSS2

5.8

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:A/AC:L/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9

Confidence

High

EPSS

0.001

Percentile

45.0%

Releases

  • Ubuntu 18.04 ESM

Packages

  • bluez - Bluetooth tools and daemons

Details

Julian Rauchberger discovered that BlueZ incorrectly handled memory when
processing SDP attribute requests. A remote attacker could use this issue
to cause BlueZ to crash, leading to a denial of service, or possibly
execute arbitrary code.

CVSS2

5.8

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:A/AC:L/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9

Confidence

High

EPSS

0.001

Percentile

45.0%