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CVE-2012-3501

Estado: ModificadaMedia (5)—

The squidclamav_check_preview_handler function in squidclamav.c in SquidClamav 5.x before 5.8 and 6.x before 6.7 passes an unescaped URL to a system command call, which allows remote attackers to cause a denial of service (daemon crash) via a URL with certain characters, as demonstrated using %0D or %0A.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Darold — Squidclamav

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2012-3501",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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  },
  "affected": [
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      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2012-08-25T10:29:52.630",
  "references": [
    {
      "url": "http://freecode.com/projects/squidclamav/releases/346722",
      "source": "secalert@redhat.com"
    },
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    },
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      "source": "secalert@redhat.com"
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      "url": "http://www.securityfocus.com/bid/54663",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://bugs.gentoo.org/show_bug.cgi?id=428778",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "url": "https://github.com/darold/squidclamav/commit/80f74451f628264d1d9a1f1c0bbcebc932ba5e00",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The squidclamav_check_preview_handler function in squidclamav.c in SquidClamav 5.x before 5.8 and 6.x before 6.7 passes an unescaped URL to a system command call, which allows remote attackers to cause a denial of service (daemon crash) via a URL with certain characters, as demonstrated using %0D or %0A."
    },
    {
      "lang": "es",
      "value": "La función squidclamav_check_preview_handler en squidclamav.c en SquidClamav v5.x antes de v5.8 y v6.x antes de v6.7 pasa una URL sin escapar a una llamada de comando del sistema, lo que permite a atacantes remotos provocar una denegación de servicio (caída del demonio) a través de una URL con ciertos caracteres, como se demuestra usando %0D o %0A."
    }
  ],
  "lastModified": "2026-06-16T23:43:21.423",
  "configurations": [
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          "negate": false,
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}