cnvd - cnvd-2015-02955

CNVD-2015-02955

Vulnerability from cnvd - Published: 2015-05-11

Title

Lenovo System Update下载文件替换漏洞

Description

Lenovo System Update是一款联想的系统升级工具。 Lenovo System Update系统下载应用更新到可写目录，允许本地用户替换下载文件，提升权限。

Severity

中

Patch Name

Lenovo System Update下载文件替换漏洞的补丁

Patch Description

Lenovo System Update是一款联想的系统升级工具。 Lenovo System Update系统下载应用更新到可写目录，允许本地用户替换下载文件，提升权限。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

用户可参考如下厂商提供的安全公告获取补丁以修复该漏洞： https://support.lenovo.com/us/en/product_security/lsu_privilege

Reference

http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf

Impacted products

Name
Lenovo System Update <=5.6.0.27

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-2234"
    }
  },
  "description": "Lenovo System Update\u662f\u4e00\u6b3e\u8054\u60f3\u7684\u7cfb\u7edf\u5347\u7ea7\u5de5\u5177\u3002\r\n\r\nLenovo System Update\u7cfb\u7edf\u4e0b\u8f7d\u5e94\u7528\u66f4\u65b0\u5230\u53ef\u5199\u76ee\u5f55\uff0c\u5141\u8bb8\u672c\u5730\u7528\u6237\u66ff\u6362\u4e0b\u8f7d\u6587\u4ef6\uff0c\u63d0\u5347\u6743\u9650\u3002",
  "discovererName": "Michael Milvich,Sofiane Talmat",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u53d6\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://support.lenovo.com/us/en/product_security/lsu_privilege",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-02955",
  "openTime": "2015-05-11",
  "patchDescription": "Lenovo System Update\u662f\u4e00\u6b3e\u8054\u60f3\u7684\u7cfb\u7edf\u5347\u7ea7\u5de5\u5177\u3002\r\nLenovo System Update\u7cfb\u7edf\u4e0b\u8f7d\u5e94\u7528\u66f4\u65b0\u5230\u53ef\u5199\u76ee\u5f55\uff0c\u5141\u8bb8\u672c\u5730\u7528\u6237\u66ff\u6362\u4e0b\u8f7d\u6587\u4ef6\uff0c\u63d0\u5347\u6743\u9650\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Lenovo System Update\u4e0b\u8f7d\u6587\u4ef6\u66ff\u6362\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Lenovo System  Update \u003c=5.6.0.27"
  },
  "referenceLink": "http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf",
  "serverity": "\u4e2d",
  "submitTime": "2015-05-07",
  "title": "Lenovo System Update\u4e0b\u8f7d\u6587\u4ef6\u66ff\u6362\u6f0f\u6d1e"
}

CVE-2015-2234 (GCVE-0-2015-2234)

Vulnerability from cvelistv5 – Published: 2015-05-12 19:00 – Updated: 2024-08-06 05:10

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.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	http://www.ioactive.com/pdfs/Lenovo_System_Update…	x_refsource_MISC
	http://support.lenovo.com/us/en/product_security/…	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/74634	vdb-entryx_refsource_BID
	http://securitytracker.com/id/1032268	vdb-entryx_refsource_SECTRACK

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T05:10:15.451Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://support.lenovo.com/us/en/product_security/lsu_privilege"
          },
          {
            "name": "74634",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/74634"
          },
          {
            "name": "1032268",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://securitytracker.com/id/1032268"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2015-04-14T00:00:00",
      "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2016-12-30T15:57:01",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://support.lenovo.com/us/en/product_security/lsu_privilege"
        },
        {
          "name": "74634",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/74634"
        },
        {
          "name": "1032268",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://securitytracker.com/id/1032268"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2015-2234",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
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        "description": {
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        "references": {
          "reference_data": [
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              "name": "http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf",
              "refsource": "MISC",
              "url": "http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf"
            },
            {
              "name": "http://support.lenovo.com/us/en/product_security/lsu_privilege",
              "refsource": "CONFIRM",
              "url": "http://support.lenovo.com/us/en/product_security/lsu_privilege"
            },
            {
              "name": "74634",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/74634"
            },
            {
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              "refsource": "SECTRACK",
              "url": "http://securitytracker.com/id/1032268"
            }
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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    "datePublished": "2015-05-12T19:00:00",
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}

Sightings

Author	Source	Type	Date

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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2015-02955

CVE-2015-2234 (GCVE-0-2015-2234)

Tags

Sightings

Nomenclature