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
0.0004 Low
EPSS
Percentile
10.1%
A flaw was found in xorg-x11-server in versions before 1.20.11. An integer
underflow can occur in xserver which can lead to a local privilege
escalation. The highest threat from this vulnerability is to data
confidentiality and integrity as well as system availability.
Author | Note |
---|---|
mdeslaur | xorg server is actually the xorg-server package the xorg package only contains docs |
alexmurray | Also known as ZDI-CAN-12549 |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | xorg-server | < 2:1.19.6-1ubuntu4.9 | UNKNOWN |
ubuntu | 20.04 | noarch | xorg-server | < 2:1.20.9-2ubuntu1.2~20.04.2 | UNKNOWN |
ubuntu | 20.10 | noarch | xorg-server | < 2:1.20.9-2ubuntu1.3 | UNKNOWN |
ubuntu | 21.04 | noarch | xorg-server | < 2:1.20.11-1ubuntu1 | UNKNOWN |
ubuntu | 21.10 | noarch | xorg-server | < 2:1.20.11-1ubuntu1 | UNKNOWN |
ubuntu | 22.04 | noarch | xorg-server | < 2:1.20.11-1ubuntu1 | UNKNOWN |
ubuntu | 14.04 | noarch | xorg-server | < 2:1.15.1-0ubuntu2.11+esm4 | UNKNOWN |
ubuntu | 16.04 | noarch | xorg-server | < 2:1.18.4-0ubuntu0.12 | UNKNOWN |
ubuntu | 16.04 | noarch | xorg-server-hwe-16.04 | < 2:1.19.6-1ubuntu4.1~16.04.6 | UNKNOWN |
ubuntu | 18.04 | noarch | xorg-server-hwe-18.04 | < 2:1.20.8-2ubuntu2.2~18.04.5 | 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
0.0004 Low
EPSS
Percentile
10.1%