Detections
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RHEL 9 : openssh (RHSA-2024:4312)
critical Nessus Plugin ID 201551
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Synopsis
The remote Red Hat host is missing a security update for openssh.Description
The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:4312 advisory.OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server.
Security Fix(es):
* openssh: Possible remote code execution due to a race condition in signal handling (CVE-2024-6387)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
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 RHEL openssh package based on the guidance in RHSA-2024:4312.See Also
http://www.nessus.org/u?88496a3c
https://access.redhat.com/security/updates/classification/#important
Plugin Details
Severity: Critical
ID: 201551
File Name: redhat-RHSA-2024-4312.nasl
Version: 1.2
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 7/3/2024
Updated: 11/8/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.4
Vendor
Vendor Severity: Important
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
CVSS v4
Risk Factor: Critical
Base Score: 9.2
Threat Score: 8.2
Threat Vector: CVSS:4.0/E:P
Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:openssh-askpass, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:openssh, cpe:/o:redhat:rhel_eus:9.4, p-cpe:/a:redhat:enterprise_linux:openssh-server, p-cpe:/a:redhat:enterprise_linux:openssh-keycat, p-cpe:/a:redhat:enterprise_linux:pam_ssh_agent_auth, p-cpe:/a:redhat:enterprise_linux:openssh-clients
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 7/3/2024
Vulnerability Publication Date: 6/26/2024
Reference Information
CVE: CVE-2024-6387