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NewStart CGSL MAIN 6.02 : openssh Vulnerability (NS-SA-2024-0061)

critical Nessus Plugin ID 206853

Synopsis

The remote NewStart CGSL host is affected by a vulnerability.

Description

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

 - A vulnerability was found in OpenSSH. The PKCS#11 feature in the ssh-agent in OpenSSH has an insufficiently trustworthy search path, leading to remote code execution if an agent is forwarded to an attacker-controlled system (the code in /usr/lib is not necessarily safe for loading into ssh-agent). This flaw allows an attacker with control of the forwarded agent-socket on the server and the ability to write to the filesystem of the client host to execute arbitrary code with the privileges of the user running the ssh-agent. (CVE-2023-38408)

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

Solution

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

See Also

https://security.gd-linux.com/notice/NS-SA-2024-0061

https://security.gd-linux.com/info/CVE-2023-38408

Plugin Details

Severity: Critical

ID: 206853

File Name: newstart_cgsl_NS-SA-2024-0061_openssh.nasl

Version: 1.2

Type: local

Published: 9/10/2024

Updated: 9/18/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2023-38408

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.9

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:zte:cgsl_main:openssh-clients, cpe:/o:zte:cgsl_main:6, p-cpe:/a:zte:cgsl_main:openssh-server, p-cpe:/a:zte:cgsl_main:openssh, p-cpe:/a:zte:cgsl_main:openssh-askpass

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/3/2024

Vulnerability Publication Date: 7/20/2023

Reference Information

CVE: CVE-2023-38408

IAVA: 2023-A-0377-S