Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libssh | Libssh | >= 0.8.0, < 0.9.8 |
| Fedoraproject | Fedora | 38 |
| Redhat | Enterprise Linux | 8.0 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2024:2504
- https://access.redhat.com/errata/RHSA-2024:3233
- https://access.redhat.com/security/cve/CVE-2023-6004Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2251110Issue Tracking
- https://www.libssh.org/security/advisories/CVE-2023-6004.txtMailing List
- https://access.redhat.com/errata/RHSA-2024:2504
- https://access.redhat.com/errata/RHSA-2024:3233
- https://access.redhat.com/security/cve/CVE-2023-6004Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2251110Issue Tracking
- https://lists.fedoraproject.org/archives/list/[email protected]
- https://lists.fedoraproject.org/archives/list/[email protected]
- https://security.netapp.com/advisory/ntap-20240223-0004/
- https://www.libssh.org/security/advisories/CVE-2023-6004.txtMailing List
FAQ
What is CVE-2023-6004?
CVE-2023-6004 is a vulnerability with a CVSS score of 4.8 (MEDIUM). 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 int...
How severe is CVE-2023-6004?
CVE-2023-6004 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-6004?
Check the references section above for vendor advisories and patch information. Affected products include: Libssh Libssh, Fedoraproject Fedora, Redhat Enterprise Linux.