FKIE_CVE-2015-2234

Vulnerability from fkie_nvd - Published: 2015-05-12 19:59 - Updated: 2025-04-12 10:46
Severity ?
Summary
Race condition in Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 uses world-writable permissions for the update files directory, which allows local users to gain privileges by writing to an update file after the signature is validated.
References
cve@mitre.orghttp://securitytracker.com/id/1032268
cve@mitre.orghttp://support.lenovo.com/us/en/product_security/lsu_privilegeVendor Advisory
cve@mitre.orghttp://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf
cve@mitre.orghttp://www.securityfocus.com/bid/74634
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id/1032268
af854a3a-2127-422b-91ae-364da2661108http://support.lenovo.com/us/en/product_security/lsu_privilegeVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/74634
Impacted products
Vendor Product Version
lenovo system_update *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:lenovo:system_update:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FB6E264B-E112-4CB5-8660-87C9D37CD4C9",
              "versionEndIncluding": "5.06.0027",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Race condition in Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 uses world-writable permissions for the update files directory, which allows local users to gain privileges by writing to an update file after the signature is validated."
    },
    {
      "lang": "es",
      "value": "Condici\u00f3n de carrera en Lenovo System Update (anteriormente ThinkVantage System Update) anterior a 5.06.0034 utiliza permisos de lectura universal para el directorio de los ficheros de actualizaciones, lo que permite usuarios locales ganar privilegios mediante la escritura de un fichero de actualizaci\u00f3n despu\u00e9s de que se valida la firma."
    }
  ],
  "id": "CVE-2015-2234",
  "lastModified": "2025-04-12T10:46:40.837",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.9,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2015-05-12T19:59:15.027",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://securitytracker.com/id/1032268"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://support.lenovo.com/us/en/product_security/lsu_privilege"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/bid/74634"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://securitytracker.com/id/1032268"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://support.lenovo.com/us/en/product_security/lsu_privilege"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/74634"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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