FKIE_CVE-2023-6004

Vulnerability from fkie_nvd - Published: 2024-01-03 17:15 - Updated: 2026-06-17 06:49
Severity
4.8 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
4.8 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Summary
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.
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:2504
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:3233
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2023-6004Vendor Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2251110Issue Tracking
secalert@redhat.comhttps://www.libssh.org/security/advisories/CVE-2023-6004.txtMailing List
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:2504
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:3233
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2023-6004Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2251110Issue Tracking
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LZQVUHWVWRH73YBXUQJOD6CKHDQBU3DM/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKQRBF3DWMWPH36LBCOBUTSIZRTPEZXB/
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20240223-0004/
af854a3a-2127-422b-91ae-364da2661108https://www.libssh.org/security/advisories/CVE-2023-6004.txtMailing List
Impacted products
Vendor Product Version
libssh libssh *
libssh libssh *
fedoraproject fedora 38
redhat enterprise_linux 8.0
redhat enterprise_linux 9.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
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          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:8::appstream",
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          ],
          "defaultStatus": "affected",
          "packageName": "libssh",
          "product": "Red Hat Enterprise Linux 8",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "0:0.9.6-14.el8",
              "versionType": "rpm"
            }
          ]
        },
        {
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          ],
          "defaultStatus": "affected",
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          "vendor": "Red Hat",
          "versions": [
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        },
        {
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          "cpes": [
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          ],
          "defaultStatus": "affected",
          "packageName": "libssh",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "0:0.10.4-13.el9",
              "versionType": "rpm"
            }
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        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
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            "cpe:/a:redhat:enterprise_linux:9::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "libssh",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "0:0.10.4-13.el9",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:7"
          ],
          "defaultStatus": "unknown",
          "packageName": "libssh",
          "product": "Red Hat Enterprise Linux 7",
          "vendor": "Red Hat"
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
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              "matchCriteriaId": "CCC06989-1635-446A-B017-0D938580165B",
              "versionEndExcluding": "0.9.8",
              "versionStartIncluding": "0.8.0",
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 una falla en libssh. Al utilizar la funci\u00f3n ProxyCommand o ProxyJump, los usuarios pueden explotar la sintaxis del hostname no verificada en el cliente. Este problema puede permitir que un atacante inyecte c\u00f3digo malicioso en el comando de las funciones mencionadas a trav\u00e9s del par\u00e1metro de hostname."
    }
  ],
  "id": "CVE-2023-6004",
  "lastModified": "2026-06-17T06:49:50.050",
  "metrics": {
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          "confidentialityImpact": "LOW",
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          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
          "version": "3.1"
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          "options": [
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            {
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            },
            {
              "technicalImpact": "total"
            }
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          "role": "CISA Coordinator",
          "timestamp": "2024-01-10T20:45:01.633139Z",
          "version": "2.0.3"
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  "published": "2024-01-03T17:15:11.623",
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    },
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      "source": "nvd@nist.gov",
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  ]
}



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