Vulnerability-Lookup

CNVD-2021-31475

Vulnerability from cnvd - Published: 2021-04-27

Title

Lenovo installation packages代码问题漏洞

Description

Lenovo installation packages是中国联想（Lenovo）公司的一个软件安装包。 Lenovo installation packages 1.2.9.3之前版本中存在代码问题漏洞。本地攻击者可借助特制的符号链接利用该漏洞获取提升的权限。

Severity

中

Patch Name

Lenovo installation packages代码问题漏洞的补丁

Patch Description

Lenovo installation packages是中国联想（Lenovo）公司的一个软件安装包。 Lenovo installation packages 1.2.9.3之前版本中存在代码问题漏洞。本地攻击者可借助特制的符号链接利用该漏洞获取提升的权限。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://support.lenovo.com/us/en/product_security/LEN-27431

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-6196

Impacted products

Name
Lenovo Lenovo installation packages <1.2.9.3

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-6196"
    }
  },
  "description": "Lenovo installation packages\u662f\u4e2d\u56fd\u8054\u60f3\uff08Lenovo\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u8f6f\u4ef6\u5b89\u88c5\u5305\u3002\n\nLenovo installation packages 1.2.9.3\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u7b26\u53f7\u94fe\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u63d0\u5347\u7684\u6743\u9650\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://support.lenovo.com/us/en/product_security/LEN-27431",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-31475",
  "openTime": "2021-04-27",
  "patchDescription": "Lenovo installation packages\u662f\u4e2d\u56fd\u8054\u60f3\uff08Lenovo\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u8f6f\u4ef6\u5b89\u88c5\u5305\u3002\r\n\r\nLenovo installation packages 1.2.9.3\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u7b26\u53f7\u94fe\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u63d0\u5347\u7684\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 installation packages\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Lenovo Lenovo installation packages \u003c1.2.9.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-6196",
  "serverity": "\u4e2d",
  "submitTime": "2020-06-10",
  "title": "Lenovo installation packages\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2019-6196 (GCVE-0-2019-6196)

Vulnerability from cvelistv5 – Published: 2020-06-09 19:50 – Updated: 2024-09-17 00:25

Summary

A symbolic link vulnerability in some Lenovo installation packages, prior to version 1.2.9.3, could allow privileged file operations during file extraction and installation.

Severity

6.7 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

CWE

CWE-426 - Untrusted Search Path

Assigner

lenovo mitre root

References

1 reference

URL	Tags
https://support.lenovo.com/us/en/product_security…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Lenovo	Installation Packages	Affected: unspecified , < 1.2.9.3 (custom)

Date Public

2020-06-09 00:00

Credits

Lenovo thanks Eran Shimony at CyberArk Labs for reporting this issue

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T20:16:24.531Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://support.lenovo.com/us/en/product_security/len-27431"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Installation Packages",
          "vendor": "Lenovo",
          "versions": [
            {
              "lessThan": "1.2.9.3",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Lenovo thanks Eran Shimony at CyberArk Labs for reporting this issue"
        }
      ],
      "datePublic": "2020-06-09T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A symbolic link vulnerability in some Lenovo installation packages, prior to version 1.2.9.3, could allow privileged file operations during file extraction and installation."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-426",
              "description": "CWE-426 Untrusted Search Path",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-06-09T19:50:34.000Z",
        "orgId": "da227ddf-6e25-4b41-b023-0f976dcaca4b",
        "shortName": "lenovo"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://support.lenovo.com/us/en/product_security/len-27431"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "To mitigate these vulnerabilities, Lenovo recommends installing Lenovo software updates through Lenovo Vantage, Lenovo System Update, or Windows Update. Updates delivered through Update Retriever, Thin Installer, and System Update are also not affected.  Lenovo installation packages version 1.2.9.3 or later are not affected."
        }
      ],
      "source": {
        "advisory": "LEN-27431",
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@lenovo.com",
          "DATE_PUBLIC": "2020-06-09T18:00:00.000Z",
          "ID": "CVE-2019-6196",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Installation Packages",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "1.2.9.3"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Lenovo"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Lenovo thanks Eran Shimony at CyberArk Labs for reporting this issue"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A symbolic link vulnerability in some Lenovo installation packages, prior to version 1.2.9.3, could allow privileged file operations during file extraction and installation."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-426 Untrusted Search Path"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://support.lenovo.com/us/en/product_security/len-27431",
              "refsource": "MISC",
              "url": "https://support.lenovo.com/us/en/product_security/len-27431"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "To mitigate these vulnerabilities, Lenovo recommends installing Lenovo software updates through Lenovo Vantage, Lenovo System Update, or Windows Update. Updates delivered through Update Retriever, Thin Installer, and System Update are also not affected.  Lenovo installation packages version 1.2.9.3 or later are not affected."
          }
        ],
        "source": {
          "advisory": "LEN-27431",
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "da227ddf-6e25-4b41-b023-0f976dcaca4b",
    "assignerShortName": "lenovo",
    "cveId": "CVE-2019-6196",
    "datePublished": "2020-06-09T19:50:34.538Z",
    "dateReserved": "2019-01-11T00:00:00.000Z",
    "dateUpdated": "2024-09-17T00:25:55.970Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.