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
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
20.2%
Issue Overview:
A flaw was found in X.Org Server. An Out-Of-Bounds access in XkbSetNames function may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2020-14345)
A flaw was found in xorg-x11-server. A integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2020-14346)
A flaw was found in X.Org Server. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2020-14361)
A flaw was found in X.Org Server. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2020-14362)
Affected Packages:
xorg-x11-server
Issue Correction:
Run yum update xorg-x11-server to update your system.
New Packages:
i686:
xorg-x11-server-Xvfb-1.17.4-18.43.amzn1.i686
xorg-x11-server-Xorg-1.17.4-18.43.amzn1.i686
xorg-x11-server-debuginfo-1.17.4-18.43.amzn1.i686
xorg-x11-server-common-1.17.4-18.43.amzn1.i686
xorg-x11-server-Xdmx-1.17.4-18.43.amzn1.i686
xorg-x11-server-devel-1.17.4-18.43.amzn1.i686
xorg-x11-server-Xephyr-1.17.4-18.43.amzn1.i686
xorg-x11-server-Xnest-1.17.4-18.43.amzn1.i686
noarch:
xorg-x11-server-source-1.17.4-18.43.amzn1.noarch
src:
xorg-x11-server-1.17.4-18.43.amzn1.src
x86_64:
xorg-x11-server-Xorg-1.17.4-18.43.amzn1.x86_64
xorg-x11-server-Xnest-1.17.4-18.43.amzn1.x86_64
xorg-x11-server-debuginfo-1.17.4-18.43.amzn1.x86_64
xorg-x11-server-Xephyr-1.17.4-18.43.amzn1.x86_64
xorg-x11-server-Xdmx-1.17.4-18.43.amzn1.x86_64
xorg-x11-server-devel-1.17.4-18.43.amzn1.x86_64
xorg-x11-server-common-1.17.4-18.43.amzn1.x86_64
xorg-x11-server-Xvfb-1.17.4-18.43.amzn1.x86_64
Red Hat: CVE-2020-14345, CVE-2020-14346, CVE-2020-14361, CVE-2020-14362
Mitre: CVE-2020-14345, CVE-2020-14346, CVE-2020-14361, CVE-2020-14362
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
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
20.2%