fkie_cve-2011-0949
Vulnerability from fkie_nvd
Published
2011-05-31 20:55
Modified
2025-04-11 00:51
Severity ?
Summary
Cisco IOS XR 3.6.x, 3.8.x before 3.8.3, and 3.9.x before 3.9.1 does not properly remove sshd_lock files from /tmp/, which allows remote attackers to cause a denial of service (disk consumption) by making many SSHv1 connections, aka Bug ID CSCtd64417.
References
psirt@cisco.comhttp://www.cisco.com/en/US/products/products_security_advisory09186a0080b7f18f.shtmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.cisco.com/en/US/products/products_security_advisory09186a0080b7f18f.shtmlVendor Advisory
Impacted products
Vendor Product Version
cisco ios_xr 3.6.0
cisco ios_xr 3.6.1
cisco ios_xr 3.6.2
cisco ios_xr 3.6.3
cisco ios_xr 3.8.0
cisco ios_xr 3.8.1
cisco ios_xr 3.8.2
cisco ios_xr 3.9.0


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{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.6.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "F497A05C-2FC5-427D-8036-2476ACA956C0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.6.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "2252E7B0-9112-4E9E-8CF4-4EC53C630CFD",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.6.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "1131A524-AA7A-4C94-9FFE-54546EA7D2CC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.6.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "46D1A634-D39C-4305-8915-4AA289FB68EE",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.8.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "96F48419-AF66-4B50-ACBF-9E38287A64FA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.8.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "EBB71A24-AA6C-4BAD-BD37-5C191751C9DF",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.8.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "3A20B6A9-27B7-4F42-B88D-F4AACC9BC24D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xr:3.9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "1ECAB9C3-9248-4663-ABAE-31FFC969EF3A",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cisco IOS XR 3.6.x, 3.8.x before 3.8.3, and 3.9.x before 3.9.1 does not properly remove sshd_lock files from /tmp/, which allows remote attackers to cause a denial of service (disk consumption) by making many SSHv1 connections, aka Bug ID CSCtd64417."
    },
    {
      "lang": "es",
      "value": "Cisco IOS XR v3.6.x, v3.8.x antes de v3.8.3, y v3.9.x antes de v3.9.1 no elimina correctamente los archivos sshd_lock /tmp/, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (consumo de disco) mediante muchas conexiones SSHv1, fallo conocido como ID CSCtd64417."
    }
  ],
  "id": "CVE-2011-0949",
  "lastModified": "2025-04-11T00:51:21.963",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2011-05-31T20:55:01.877",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080b7f18f.shtml"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080b7f18f.shtml"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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