xorg-server -- Security issue in the X server

2023-02-0700:00:00

vuxml.freebsd.org

x.org server

security issue

dangling pointer

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

0.002 Low

EPSS

Percentile

51.9%

JSON

The X.org project reports:

CVE-2023-0494/ZDI-CAN-19596: X.Org Server DeepCopyPointerClasses
use-after-free

    A dangling pointer in DeepCopyPointerClasses can be exploited by
    ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read/write into
    freed memory.

OSVersionArchitecturePackageVersionFilename
FreeBSDanynoarchxorg-server< 21.1.7,1UNKNOWN
FreeBSDanynoarchxephyr< 21.1.7,1UNKNOWN
FreeBSDanynoarchxorg-vfbserver< 21.1.7,1UNKNOWN
FreeBSDanynoarchxorg-nestserver< 21.1.7,2UNKNOWN
FreeBSDanynoarchxwayland< 22.1.8,1UNKNOWN
FreeBSDanynoarchxwayland-devel< 21.0.99.1.386UNKNOWN

OS	Version	Architecture	Package	Version	Filename
FreeBSD	any	noarch	xorg-server	< 21.1.7,1	UNKNOWN
FreeBSD	any	noarch	xephyr	< 21.1.7,1	UNKNOWN
FreeBSD	any	noarch	xorg-vfbserver	< 21.1.7,1	UNKNOWN
FreeBSD	any	noarch	xorg-nestserver	< 21.1.7,2	UNKNOWN
FreeBSD	any	noarch	xwayland	< 22.1.8,1	UNKNOWN
FreeBSD	any	noarch	xwayland-devel	< 21.0.99.1.386	UNKNOWN