CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
5.1%
USN-5244-1 fixed a vulnerability in DBus. This update provides
the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
Original advisory details:
Daniel Onaca discovered that DBus contained a use-after-free vulnerability,
caused by the incorrect handling of usernames sharing the same UID. An
attacker could possibly use this issue to cause DBus to crash, resulting
in a denial of service.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 20.04 | noarch | dbus | < 1.12.16-2ubuntu2.2 | UNKNOWN |
Ubuntu | 20.04 | noarch | dbus-1-doc | < 1.12.16-2ubuntu2.2 | UNKNOWN |
Ubuntu | 20.04 | noarch | dbus-dbgsym | < 1.12.16-2ubuntu2.2 | UNKNOWN |
Ubuntu | 20.04 | noarch | dbus-tests | < 1.12.16-2ubuntu2.2 | UNKNOWN |
Ubuntu | 20.04 | noarch | dbus-tests-dbgsym | < 1.12.16-2ubuntu2.2 | UNKNOWN |
Ubuntu | 20.04 | noarch | dbus-udeb | < 1.12.16-2ubuntu2.2 | UNKNOWN |
Ubuntu | 20.04 | noarch | dbus-user-session | < 1.12.16-2ubuntu2.2 | UNKNOWN |
Ubuntu | 20.04 | noarch | dbus-x11 | < 1.12.16-2ubuntu2.2 | UNKNOWN |
Ubuntu | 20.04 | noarch | dbus-x11-dbgsym | < 1.12.16-2ubuntu2.2 | UNKNOWN |
Ubuntu | 20.04 | noarch | libdbus-1-3 | < 1.12.16-2ubuntu2.2 | UNKNOWN |
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
5.1%