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NewStart CGSL MAIN 4.06 : xorg-x11-server Multiple Vulnerabilities (NS-SA-2021-0003)

high Nessus Plugin ID 147340

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Synopsis

The remote machine is affected by multiple vulnerabilities.

Description

The remote NewStart CGSL host, running version MAIN 4.06, has xorg-x11-server packages installed that are affected by multiple vulnerabilities:

 - 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)

 - 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, CVE-2020-14362)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the vulnerable CGSL xorg-x11-server packages. Note that updated packages may not be available yet. Please contact ZTE for more information.

See Also

http://security.gd-linux.com/notice/NS-SA-2021-0003

Plugin Details

Severity: High

ID: 147340

File Name: newstart_cgsl_NS-SA-2021-0003_xorg-x11-server.nasl

Version: 1.3

Type: local

Published: 3/10/2021

Updated: 3/11/2021

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

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/ZTE-CGSL/release, Host/ZTE-CGSL/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 3/9/2021

Vulnerability Publication Date: 9/15/2020

Reference Information

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