CVE-2023-6004: fedora Injection — Fix

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.

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CVSS v3.1 Score

4.8

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-74 CWE-74

Affected Products

Vendor	Product	Versions
libssh	libssh	0.8.0 — 0.9.8
libssh	libssh	0.10.0 — 0.10.6
fedoraproject	fedora	All
redhat	enterprise_linux	All
redhat	enterprise_linux	All

References

Advisories & Patches

https://access.redhat.com/security/cve/CVE-2023-6004 https://access.redhat.com/security/cve/CVE-2023-6004

Other References

https://access.redhat.com/errata/RHSA-2024:2504 https://access.redhat.com/errata/RHSA-2024:3233 https://bugzilla.redhat.com/show_bug.cgi?id=2251110 https://www.libssh.org/security/advisories/CVE-2023-6004.txt https://access.redhat.com/errata/RHSA-2024:2504 https://access.redhat.com/errata/RHSA-2024:3233 https://bugzilla.redhat.com/show_bug.cgi?id=2251110 https://lists.fedoraproject.org/archives/list/[email protected]/message/LZQVUHWVWRH73YBXUQJOD6CKHDQBU3DM/ https://lists.fedoraproject.org/archives/list/[email protected]/message/MKQRBF3DWMWPH36LBCOBUTSIZRTPEZXB/ https://security.netapp.com/advisory/ntap-20240223-0004/

Frequently Asked Questions

What is CVE-2023-6004? +

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. It has a CVSS v3.1 base score of 4.8 (MEDIUM).

How severe is CVE-2023-6004? +

CVE-2023-6004 has a CVSS v3.1 score of 4.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-6004? +

CVE-2023-6004 affects products from fedoraproject, libssh, redhat, specifically: enterprise_linux, fedora, libssh. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-6004? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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