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EulerOS Virtualization 2.5.3 : openssh (EulerOS-SA-2019-1198)

medium Nessus Plugin ID 123884

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Synopsis

The remote EulerOS Virtualization host is missing a security update.

Description

According to the version of the openssh packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerability :

 - OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.i1/4^CVE-2018-15473i1/4%0

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 openssh package.

See Also

http://www.nessus.org/u?9c507132

Plugin Details

Severity: Medium

ID: 123884

File Name: EulerOS_SA-2019-1198.nasl

Version: 1.8

Type: local

Published: 4/9/2019

Updated: 6/4/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.4

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

CVSS Score Source: CVE-2018-15473

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 5.1

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

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

Vulnerability Information

CPE: p-cpe:/a:huawei:euleros:openssh-keycat, cpe:/o:huawei:euleros:uvp:2.5.3, p-cpe:/a:huawei:euleros:pam_ssh_agent_auth, p-cpe:/a:huawei:euleros:openssh, p-cpe:/a:huawei:euleros:openssh-clients, p-cpe:/a:huawei:euleros:openssh-server

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/2/2019

Exploitable With

CANVAS (CANVAS)

Reference Information

CVE: CVE-2018-15473