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CVE-2011-1496

Estado: ModificadaMedia (4.6)—

tmux 1.3 and 1.4 does not properly drop group privileges, which allows local users to gain utmp group privileges via a filename to the -S command-line option.

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)

Nicholas Marriott — Tmux

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2011-1496",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2011-04-18T18:55:01.077",
  "references": [
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058367.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058452.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058548.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/44081",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/44239",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.debian.org/security/2011/dsa-2212",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.exploit-db.com/exploits/17147",
      "tags": [
        "Exploit"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/47283",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/0897",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/1002",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/1015",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66693",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058367.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058452.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058548.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/44081",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/44239",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2011/dsa-2212",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.exploit-db.com/exploits/17147",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/47283",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/0897",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/1002",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/1015",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66693",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "tmux 1.3 and 1.4 does not properly drop group privileges, which allows local users to gain utmp group privileges via a filename to the -S command-line option."
    },
    {
      "lang": "es",
      "value": "tmux v1.3 y v1.4 no elimina adecuadamente privilegios de grupo, lo que permite a usuarios locales obtener permisos de grupo utmp a través del nombre del archivo con la opción de línea de comando -S."
    }
  ],
  "lastModified": "2026-06-16T23:29:29.810",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nicholas_marriott:tmux:1.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FAD0C107-5CE1-41E1-A736-DD572B2CB855"
            },
            {
              "criteria": "cpe:2.3:a:nicholas_marriott:tmux:1.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CA068A77-9777-4C3F-BCF7-9AFAEC150176"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}