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NewStart CGSL MAIN 6.02 : kernel Vulnerability (NS-SA-2022-0099)

medium Nessus Plugin ID 167499

Synopsis

The remote NewStart CGSL host is affected by a vulnerability.

Description

The remote NewStart CGSL host, running version MAIN 6.02, has kernel packages installed that are affected by a vulnerability:

 - In the Linux kernel before 5.4.16, a race condition in tty->disc_data handling in the slip and slcan line discipline could lead to a use-after-free, aka CID-0ace17d56824. This affects drivers/net/slip/slip.c and drivers/net/can/slcan.c. (CVE-2020-14416)

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 kernel 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-2022-0099

http://security.gd-linux.com/info/CVE-2020-14416

Plugin Details

Severity: Medium

ID: 167499

File Name: newstart_cgsl_NS-SA-2022-0099_kernel.nasl

Version: 1.2

Type: local

Published: 11/15/2022

Updated: 11/15/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.5

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

CVSS Score Source: CVE-2020-14416

CVSS v3

Risk Factor: Medium

Base Score: 4.2

Temporal Score: 3.7

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

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

Vulnerability Information

CPE: p-cpe:/a:zte:cgsl_main:bpftool, p-cpe:/a:zte:cgsl_main:kernel, p-cpe:/a:zte:cgsl_main:kernel-core, p-cpe:/a:zte:cgsl_main:kernel-devel, p-cpe:/a:zte:cgsl_main:kernel-headers, p-cpe:/a:zte:cgsl_main:kernel-modules, p-cpe:/a:zte:cgsl_main:kernel-modules-extra, p-cpe:/a:zte:cgsl_main:kernel-tools, p-cpe:/a:zte:cgsl_main:kernel-tools-libs, p-cpe:/a:zte:cgsl_main:perf, p-cpe:/a:zte:cgsl_main:python3-perf, cpe:/o:zte:cgsl_main:6

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: 11/9/2022

Vulnerability Publication Date: 2/21/2020

Reference Information

CVE: CVE-2020-14416