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ubuntucveUbuntu.comUB:CVE-2023-5367
HistoryOct 25, 2023 - 12:00 a.m.

CVE-2023-5367

2023-10-2500:00:00
ubuntu.com
ubuntu.com
14
xorg-x11-server
buffer offset
privilege escalation
denial of service

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

0.001 Low

EPSS

Percentile

29.1%

A out-of-bounds write flaw was found in the xorg-x11-server. This issue
occurs due to an incorrect calculation of a buffer offset when copying data
stored in the heap in the XIChangeDeviceProperty function in
Xi/xiproperty.c and in RRChangeOutputProperty function in
randr/rrproperty.c, allowing for possible escalation of privileges or
denial of service.

Notes

Author Note
mdeslaur xorg server is actually the xorg-server package the xorg package only contains docs xwayland package contains parts of xorg-server
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchxorg-server< 2:1.19.6-1ubuntu4.15+esm1UNKNOWN
ubuntu20.04noarchxorg-server< 2:1.20.13-1ubuntu1~20.04.9UNKNOWN
ubuntu22.04noarchxorg-server< 2:21.1.4-2ubuntu1.7~22.04.2UNKNOWN
ubuntu23.04noarchxorg-server< 2:21.1.7-1ubuntu3.1UNKNOWN
ubuntu23.10noarchxorg-server< 2:21.1.7-3ubuntu2.1UNKNOWN
ubuntu24.04noarchxorg-server< 2:21.1.7-3ubuntu2.1UNKNOWN
ubuntu14.04noarchxorg-server< 2:1.15.1-0ubuntu2.11+esm8UNKNOWN
ubuntu16.04noarchxorg-server< 2:1.18.4-0ubuntu0.12+esm6UNKNOWN
ubuntu16.04noarchxorg-server-hwe-16.04< anyUNKNOWN
ubuntu18.04noarchxorg-server-hwe-18.04< anyUNKNOWN
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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

0.001 Low

EPSS

Percentile

29.1%