7.2 High
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
7.8 High
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
8.2 High
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
10.1%
Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled
certain lengths of XInput extension ChangeFeedbackControl requests. An
attacker could use this issue to cause the server to crash, resulting in a
denial of service, or possibly execute arbitrary code.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 20.10 | noarch | xserver-xorg-core | < 2:1.20.9-2ubuntu1.3 | UNKNOWN |
Ubuntu | 20.10 | noarch | xdmx | < 2:1.20.9-2ubuntu1.3 | UNKNOWN |
Ubuntu | 20.10 | noarch | xdmx-dbgsym | < 2:1.20.9-2ubuntu1.3 | UNKNOWN |
Ubuntu | 20.10 | noarch | xdmx-tools | < 2:1.20.9-2ubuntu1.3 | UNKNOWN |
Ubuntu | 20.10 | noarch | xdmx-tools-dbgsym | < 2:1.20.9-2ubuntu1.3 | UNKNOWN |
Ubuntu | 20.10 | noarch | xnest | < 2:1.20.9-2ubuntu1.3 | UNKNOWN |
Ubuntu | 20.10 | noarch | xnest-dbgsym | < 2:1.20.9-2ubuntu1.3 | UNKNOWN |
Ubuntu | 20.10 | noarch | xorg-server-source | < 2:1.20.9-2ubuntu1.3 | UNKNOWN |
Ubuntu | 20.10 | noarch | xserver-common | < 2:1.20.9-2ubuntu1.3 | UNKNOWN |
Ubuntu | 20.10 | noarch | xserver-xephyr | < 2:1.20.9-2ubuntu1.3 | UNKNOWN |
7.2 High
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
7.8 High
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
8.2 High
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
10.1%