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CentOS 9 : openssh-8.7p1-42.el9

high Nessus Plugin ID 201992

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Synopsis

The remote CentOS host is missing a security update for openssh.

Description

The remote CentOS Linux 9 host has packages installed that are affected by a vulnerability as referenced in the openssh-8.7p1-42.el9 build changelog.

 - A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race condition which can lead to sshd to handle some signals in an unsafe manner. An unauthenticated, remote attacker may be able to trigger it by failing to authenticate within a set time period. (CVE-2024-6387)

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

Solution

Update the CentOS 9 Stream openssh package.

See Also

https://kojihub.stream.centos.org/koji/buildinfo?buildID=65415

Plugin Details

Severity: High

ID: 201992

File Name: centos9_openssh-8_7p1-42_65415.nasl

Version: 1.1

Type: local

Agent: unix

Published: 7/9/2024

Updated: 7/9/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.4

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 6

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

CVSS Score Source: CVE-2024-6387

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

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

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

Vulnerability Information

CPE: p-cpe:/a:centos:centos:openssh-server, p-cpe:/a:centos:centos:openssh-clients, cpe:/a:centos:centos:9, p-cpe:/a:centos:centos:openssh-sk-dummy, p-cpe:/a:centos:centos:openssh-keycat, p-cpe:/a:centos:centos:openssh-askpass, p-cpe:/a:centos:centos:openssh, p-cpe:/a:centos:centos:pam_ssh_agent_auth

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/4/2024

Vulnerability Publication Date: 5/9/2024

Reference Information

CVE: CVE-2024-6387

IAVA: 2024-A-0375