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%
Issue Overview:
A flaw was found in xorg-x11-server. An interger 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. (CVE-2021-3472)
Affected Packages:
xorg-x11-server
Issue Correction:
Run yum update xorg-x11-server to update your system.
New Packages:
i686:
xorg-x11-server-Xdmx-1.17.4-18.44.amzn1.i686
xorg-x11-server-Xorg-1.17.4-18.44.amzn1.i686
xorg-x11-server-Xephyr-1.17.4-18.44.amzn1.i686
xorg-x11-server-Xnest-1.17.4-18.44.amzn1.i686
xorg-x11-server-devel-1.17.4-18.44.amzn1.i686
xorg-x11-server-debuginfo-1.17.4-18.44.amzn1.i686
xorg-x11-server-common-1.17.4-18.44.amzn1.i686
xorg-x11-server-Xvfb-1.17.4-18.44.amzn1.i686
noarch:
xorg-x11-server-source-1.17.4-18.44.amzn1.noarch
src:
xorg-x11-server-1.17.4-18.44.amzn1.src
x86_64:
xorg-x11-server-debuginfo-1.17.4-18.44.amzn1.x86_64
xorg-x11-server-Xnest-1.17.4-18.44.amzn1.x86_64
xorg-x11-server-Xephyr-1.17.4-18.44.amzn1.x86_64
xorg-x11-server-Xvfb-1.17.4-18.44.amzn1.x86_64
xorg-x11-server-Xdmx-1.17.4-18.44.amzn1.x86_64
xorg-x11-server-devel-1.17.4-18.44.amzn1.x86_64
xorg-x11-server-Xorg-1.17.4-18.44.amzn1.x86_64
xorg-x11-server-common-1.17.4-18.44.amzn1.x86_64
Red Hat: CVE-2021-3472
Mitre: CVE-2021-3472
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%