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CVE-2023-6004 Details

Description

A flaw was found in libssh. By utilizing the ProxyCommand or ProxyJump feature, users can exploit unchecked hostname syntax on the client. This issue may allow an attacker to inject malicious code into the command of the features mentioned through the hostname parameter.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.8 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

CNA: [email protected]CVSS-B:4.8 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://access.redhat.com/errata/RHSA-2024:2504	CVE
https://access.redhat.com/errata/RHSA-2024:3233	CVE
https://access.redhat.com/security/cve/CVE-2023-6004	CVE	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2251110	CVE	Issue Tracking
https://lists.fedoraproject.org/archives/list/[email protected]/message/LZQVUHWVWRH73YBXUQJOD6CKHDQBU3DM/	CVE
https://lists.fedoraproject.org/archives/list/[email protected]/message/MKQRBF3DWMWPH36LBCOBUTSIZRTPEZXB/	CVE
https://security.netapp.com/advisory/ntap-20240223-0004/	CVE
https://www.libssh.org/security/advisories/CVE-2023-6004.txt	CVE	Mailing List
https://access.redhat.com/errata/RHSA-2024:2504	[email protected]
https://access.redhat.com/errata/RHSA-2024:3233	[email protected]
https://access.redhat.com/security/cve/CVE-2023-6004	[email protected]	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2251110	[email protected]	Issue Tracking
https://www.libssh.org/security/advisories/CVE-2023-6004.txt	[email protected]	Mailing List

see all 13 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-74	Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')	[email protected]
CWE-74	Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')	[email protected]

Affected Products

Product	Versions
libssh libssh	>= 0.8.0, < 0.9.8 >= 0.10.0, < 0.10.6
CPE cpe:2.3:a:libssh:libssh:::::::: Remediation No remediation found in references.
fedoraproject fedora	38
CPE cpe:2.3:o:fedoraproject:fedora:38:::::::* Remediation No remediation found in references.
redhat enterprise linux	8.0 9.0
CPE cpe:2.3:o:redhat:enterprise_linux:8.0:::::::* cpe:2.3:o:redhat:enterprise_linux:9.0:::::::* Remediation No remediation found in references.

Change History

15 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 4, 2025	CVE Modified	CVE
Nov 21, 2024	CVE Modified	CVE
Sep 16, 2024	CVE Modified	[email protected]
May 22, 2024	CVE Modified	[email protected]
May 14, 2024	CVE Modified	[email protected]
Apr 30, 2024	CVE Modified	[email protected]
Feb 23, 2024	CVE Modified	[email protected]
Jan 25, 2024	CVE Modified	[email protected]
Jan 16, 2024	Modified Analysis	[email protected]
Jan 16, 2024	CVE Modified	[email protected]
Jan 11, 2024	Initial Analysis	[email protected]
Jan 10, 2024	CVE Modified	[email protected]
Jan 3, 2024	New CVE Received	[email protected]

CVE-2023-6004 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

CPE

Remediation

CPE

Remediation

CPE

Remediation

Change History

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