Vulnerability-Lookup

CNVD-2015-02954

Vulnerability from cnvd - Published: 2015-05-11

Title

Lenovo System Update正确校验绕过漏洞

Description

Lenovo System Update是一款联想的系统升级工具。 Lenovo System Update未能正确校验Lenovo System Update CA证书链，允许远程可进行中间人攻击的攻击者绕过签名校验，替换联想应用，执行任意代码。

Severity

中

Patch Name

Lenovo System Update正确校验绕过漏洞的补丁

Patch Description

Lenovo System Update是一款联想的系统升级工具。Lenovo System Update未能正确校验Lenovo System Update CA证书链，允许远程可进行中间人攻击的攻击者绕过签名校验，替换联想应用，执行任意代码。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-2015-2233"
    }
  },
  "description": "Lenovo System Update\u662f\u4e00\u6b3e\u8054\u60f3\u7684\u7cfb\u7edf\u5347\u7ea7\u5de5\u5177\u3002\r\n\r\nLenovo System Update\u672a\u80fd\u6b63\u786e\u6821\u9a8cLenovo System Update CA\u8bc1\u4e66\u94fe\uff0c\u5141\u8bb8\u8fdc\u7a0b\u53ef\u8fdb\u884c\u4e2d\u95f4\u4eba\u653b\u51fb\u7684\u653b\u51fb\u8005\u7ed5\u8fc7\u7b7e\u540d\u6821\u9a8c\uff0c\u66ff\u6362\u8054\u60f3\u5e94\u7528\uff0c\u6267\u884c\u4efb\u610f\u4ee3\u7801\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-2015-02954",
  "openTime": "2015-05-11",
  "patchDescription": "Lenovo System Update\u662f\u4e00\u6b3e\u8054\u60f3\u7684\u7cfb\u7edf\u5347\u7ea7\u5de5\u5177\u3002Lenovo System Update\u672a\u80fd\u6b63\u786e\u6821\u9a8cLenovo System Update CA\u8bc1\u4e66\u94fe\uff0c\u5141\u8bb8\u8fdc\u7a0b\u53ef\u8fdb\u884c\u4e2d\u95f4\u4eba\u653b\u51fb\u7684\u653b\u51fb\u8005\u7ed5\u8fc7\u7b7e\u540d\u6821\u9a8c\uff0c\u66ff\u6362\u8054\u60f3\u5e94\u7528\uff0c\u6267\u884c\u4efb\u610f\u4ee3\u7801\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\u6b63\u786e\u6821\u9a8c\u7ed5\u8fc7\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\u6b63\u786e\u6821\u9a8c\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2015-2233 (GCVE-0-2015-2233)

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

Summary

Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 does not properly validate CA chains during signature validation, which allows man-in-the-middle attackers to upload and execute arbitrary files via a crafted certificate.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

4 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://securitytracker.com/id/1032268	vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/74642	vdb-entryx_refsource_BID

Date Public

2015-04-14 00:00

Show details on NVD website

JSON

To clipboard

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            "url": "http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
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            ],
            "url": "http://support.lenovo.com/us/en/product_security/lsu_privilege"
          },
          {
            "name": "1032268",
            "tags": [
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          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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      "descriptions": [
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          "url": "http://support.lenovo.com/us/en/product_security/lsu_privilege"
        },
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Sightings

Author	Source	Type	Date	Other

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-2015-02954

CVE-2015-2233 (GCVE-0-2015-2233)

Tags

Sightings

Nomenclature