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RHEL 9 : libssh (RHSA-2024:2504)

medium Nessus Plugin ID 194755

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Synopsis

The remote Red Hat host is missing one or more security updates for libssh.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:2504 advisory.

 libssh is a library which implements the SSH protocol. It can be used to implement client and server applications.

 Security Fix(es):

 * libssh: ProxyCommand/ProxyJump features allow injection of malicious code through hostname (CVE-2023-6004)

 * libssh: Missing checks for return values for digests (CVE-2023-6918)

 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.

 Additional Changes:

 For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.4 Release Notes linked from 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 these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL libssh package based on the guidance in RHSA-2024:2504.

See Also

http://www.nessus.org/u?9aa0521e

http://www.nessus.org/u?d922e0bf

https://access.redhat.com/errata/RHSA-2024:2504

https://access.redhat.com/security/updates/classification/#low

https://bugzilla.redhat.com/show_bug.cgi?id=2251110

https://bugzilla.redhat.com/show_bug.cgi?id=2254997

Plugin Details

Severity: Medium

ID: 194755

File Name: redhat-RHSA-2024-2504.nasl

Version: 1.4

Type: local

Agent: unix

Published: 4/30/2024

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: 4.2

Vendor

Vendor Severity: Low

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2023-6004

CVSS v3

Risk Factor: Medium

Base Score: 4.8

Temporal Score: 4.2

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:libssh, p-cpe:/a:redhat:enterprise_linux:libssh-devel, p-cpe:/a:redhat:enterprise_linux:libssh-config, cpe:/o:redhat:enterprise_linux:9

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/30/2024

Vulnerability Publication Date: 12/19/2023

Reference Information

CVE: CVE-2023-6004, CVE-2023-6918

CWE: 252, 74

RHSA: 2024:2504