Vulnerability-Lookup

CNVD-2021-51434

Vulnerability from cnvd - Published: 2021-07-16

Title

Samsung Tizen代码注入漏洞（ CNVD-2021-51434）

Description

Samsung Tizen是韩国三星（Samsung）公司的一款基于Linux核心的开放源代码移动操作系统，可适用设备包括智能手机、平板电脑、智能手表、上网本、车载消息娱乐设备和智能电视。 Samsung Tizen存在代码注入漏洞，该漏洞源于Tizen bootloader中存在错误的输入验证漏洞，允许在无线固件下载模式下使用recovery分区执行任意代码。目前没有详细的漏洞细节提供。

Severity

高

Patch Name

Samsung Tizen代码注入漏洞（ CNVD-2021-51434）的补丁

Patch Description

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://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=7

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-25435

Impacted products

Name
Samsung Tizen

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-25435"
    }
  },
  "description": "Samsung Tizen\u662f\u97e9\u56fd\u4e09\u661f\uff08Samsung\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u57fa\u4e8eLinux\u6838\u5fc3\u7684\u5f00\u653e\u6e90\u4ee3\u7801\u79fb\u52a8\u64cd\u4f5c\u7cfb\u7edf\uff0c\u53ef\u9002\u7528\u8bbe\u5907\u5305\u62ec\u667a\u80fd\u624b\u673a\u3001\u5e73\u677f\u7535\u8111\u3001\u667a\u80fd\u624b\u8868\u3001\u4e0a\u7f51\u672c\u3001\u8f66\u8f7d\u6d88\u606f\u5a31\u4e50\u8bbe\u5907\u548c\u667a\u80fd\u7535\u89c6\u3002\n\nSamsung Tizen\u5b58\u5728\u4ee3\u7801\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eTizen bootloader\u4e2d\u5b58\u5728\u9519\u8bef\u7684\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\uff0c\u5141\u8bb8\u5728\u65e0\u7ebf\u56fa\u4ef6\u4e0b\u8f7d\u6a21\u5f0f\u4e0b\u4f7f\u7528recovery\u5206\u533a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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://security.samsungmobile.com/serviceWeb.smsb?year=2021\u0026month=7",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-51434",
  "openTime": "2021-07-16",
  "patchDescription": "Samsung Tizen\u662f\u97e9\u56fd\u4e09\u661f\uff08Samsung\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u57fa\u4e8eLinux\u6838\u5fc3\u7684\u5f00\u653e\u6e90\u4ee3\u7801\u79fb\u52a8\u64cd\u4f5c\u7cfb\u7edf\uff0c\u53ef\u9002\u7528\u8bbe\u5907\u5305\u62ec\u667a\u80fd\u624b\u673a\u3001\u5e73\u677f\u7535\u8111\u3001\u667a\u80fd\u624b\u8868\u3001\u4e0a\u7f51\u672c\u3001\u8f66\u8f7d\u6d88\u606f\u5a31\u4e50\u8bbe\u5907\u548c\u667a\u80fd\u7535\u89c6\u3002\r\n\r\nSamsung Tizen\u5b58\u5728\u4ee3\u7801\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eTizen bootloader\u4e2d\u5b58\u5728\u9519\u8bef\u7684\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\uff0c\u5141\u8bb8\u5728\u65e0\u7ebf\u56fa\u4ef6\u4e0b\u8f7d\u6a21\u5f0f\u4e0b\u4f7f\u7528recovery\u5206\u533a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "Samsung Tizen\u4ee3\u7801\u6ce8\u5165\u6f0f\u6d1e\uff08 CNVD-2021-51434\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Samsung Tizen"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-25435",
  "serverity": "\u9ad8",
  "submitTime": "2021-07-12",
  "title": "Samsung Tizen\u4ee3\u7801\u6ce8\u5165\u6f0f\u6d1e\uff08 CNVD-2021-51434\uff09"
}

CVE-2021-25435 (GCVE-0-2021-25435)

Vulnerability from cvelistv5 – Published: 2021-07-08 13:46 – Updated: 2024-08-03 20:03

Summary

Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using recovery partition in wireless firmware download mode.

Severity

No CVSS data available.

CWE

CWE-20 - Improper Input Validation

Assigner

Samsung Mobile

References

1 reference

URL	Tags
https://security.samsungmobile.com/serviceWeb.sms…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Samsung Mobile	Tizen wearable devices	Affected: Tizen 5.5 , < Firmware update JUL-2021 Release (custom)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:03:05.748Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2021\u0026month=7"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Tizen wearable devices",
          "vendor": "Samsung Mobile",
          "versions": [
            {
              "lessThan": "Firmware update JUL-2021 Release",
              "status": "affected",
              "version": "Tizen 5.5",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using recovery partition in wireless firmware download mode."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
            },
            "type": "unknown"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20: Improper Input Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-07-08T13:46:59.000Z",
        "orgId": "3af57064-a867-422c-b2ad-40307b65c458",
        "shortName": "Samsung Mobile"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2021\u0026month=7"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "mobile.security@samsung.com",
          "ID": "CVE-2021-25435",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Tizen wearable devices",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_name": "Tizen 5.5",
                            "version_value": "Firmware update JUL-2021 Release"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Samsung Mobile"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using recovery partition in wireless firmware download mode."
            }
          ]
        },
        "impact": {
          "cvss": {
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
          }
        },
        "problemtype": {
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                {
                  "lang": "eng",
                  "value": "CWE-20: Improper Input Validation"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://security.samsungmobile.com/serviceWeb.smsb?year=2021\u0026month=7",
              "refsource": "MISC",
              "url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2021\u0026month=7"
            }
          ]
        },
        "source": {
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "3af57064-a867-422c-b2ad-40307b65c458",
    "assignerShortName": "Samsung Mobile",
    "cveId": "CVE-2021-25435",
    "datePublished": "2021-07-08T13:46:59.000Z",
    "dateReserved": "2021-01-19T00:00:00.000Z",
    "dateUpdated": "2024-08-03T20:03:05.748Z",
    "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.
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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.

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.

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CNVD-2021-51434

CVE-2021-25435 (GCVE-0-2021-25435)

Tags

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Nomenclature

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