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EulerOS 2.0 SP8 : xorg-x11-server (EulerOS-SA-2020-2326)

high Nessus Plugin ID 142204

Synopsis

The remote EulerOS host is missing multiple security updates.

Description

According to the versions of the xorg-x11-server packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

 - A flaw was found in xorg-x11-server before 1.20.9. An 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 before xorg-x11-server 1.20.9. 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 before xorg-x11-server 1.20.9. 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)

 - A flaw was found in X.Org Server before xorg-x11-server 1.20.9. 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)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected xorg-x11-server packages.

See Also

http://www.nessus.org/u?7d5a952d

Plugin Details

Severity: High

ID: 142204

File Name: EulerOS_SA-2020-2326.nasl

Version: 1.6

Type: local

Published: 11/2/2020

Updated: 2/12/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2020-14362

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:huawei:euleros:xorg-x11-server-xvfb, p-cpe:/a:huawei:euleros:xorg-x11-server-xwayland, p-cpe:/a:huawei:euleros:xorg-x11-server, p-cpe:/a:huawei:euleros:xorg-x11-server-xephyr, p-cpe:/a:huawei:euleros:xorg-x11-server-xorg, p-cpe:/a:huawei:euleros:xorg-x11-server-common, cpe:/o:huawei:euleros:2.0

Required KB Items: Host/local_checks_enabled, Host/EulerOS/release, Host/EulerOS/rpm-list, Host/EulerOS/sp

Excluded KB Items: Host/EulerOS/uvp_version

Exploit Ease: No known exploits are available

Patch Publication Date: 11/2/2020

Reference Information

CVE: CVE-2020-14345, CVE-2020-14346, CVE-2020-14361, CVE-2020-14362