FKIE_CVE-2023-6004

Vulnerability from fkie_nvd - Published: 2024-01-03 17:15 - Updated: 2025-11-04 19:16
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.
Impacted products

{
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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": "2025-11-04T19:16:23.753",
  "metrics": {
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          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "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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        "impactScore": 3.4,
        "source": "secalert@redhat.com",
        "type": "Secondary"
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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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        "impactScore": 3.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2024-01-03T17:15:11.623",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2024:2504"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2024:3233"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
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      ],
      "url": "https://access.redhat.com/security/cve/CVE-2023-6004"
    },
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      "source": "secalert@redhat.com",
      "tags": [
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    },
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      "source": "secalert@redhat.com",
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "tags": [
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  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "value": "CWE-74"
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      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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