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freebsdFreeBSDAB881A74-C016-4E6D-9F7D-68C8E7CEDAFB
HistoryJul 06, 2017 - 12:00 a.m.

xorg-server -- Multiple Issues

2017-07-0600:00:00
vuxml.freebsd.org
14

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

0.026 Low

EPSS

Percentile

90.2%

xorg-server developers reports:

In the X.Org X server before 2017-06-19, a user authenticated to
an X Session could crash or execute code in the context of the X
Server by exploiting a stack overflow in the endianness conversion
of X Events.
Uninitialized data in endianness conversion in the XEvent handling
of the X.Org X Server before 2017-06-19 allowed authenticated
malicious users to access potentially privileged data from the X
server.

OSVersionArchitecturePackageVersionFilename
FreeBSDanynoarchxorg-server<= 1.18.4_6,1UNKNOWN

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

0.026 Low

EPSS

Percentile

90.2%