cnvd - cnvd-2022-66246

CNVD-2022-66246

Vulnerability from cnvd - Published: 2022-09-29

Title

多款MediaTek芯片audio DSP类型转换漏洞

Description

联发科技股份有限公司（MediaTek Inc.）是全球第四大晶圆厂半导体公司，在移动终端、智能家居应用、无线连接技术及物联网产品等市场位居领先地位，一年约有15亿台内建MediaTek芯片的终端产品在全球各地上市。多款MediaTek芯片audio DSP存在类型转换漏洞，攻击者可利用漏洞在不需要用户交互的前提条件提升权限。

Severity

中

Patch Name

多款MediaTek芯片audio DSP类型转换漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://corp.mediatek.com/product-security-bulletin/July-2022

Reference

https://nvd.nist.gov/vuln/detail/CVE-2022-21786

Impacted products

Name
['MediaTek MT6833 Android11.0', 'MediaTek MT6833 Android12.0', 'MediaTek MT6873 Android11.0', 'MediaTek MT6873 Android12.0', 'MediaTek MT6877 Android11.0', 'MediaTek MT6877 Android12.0', 'MediaTek MT6885 Android11.0', 'MediaTek MT6885 Android12.0', 'MediaTek MT6983 Android11.0', 'MediaTek MT6983 Android12.0', 'MediaTek MT8797 Android11.0', 'MediaTek MT8797 Android12.0', 'MediaTek MT6853 Android11.0', 'MediaTek MT6853 Android12.0', 'MediaTek MT6879 Android11.0', 'MediaTek MT6879 Android12.0', 'MediaTek MT6893 Android11.0', 'MediaTek MT6893 Android12.0', 'MediaTek MT6895 Android11.0', 'MediaTek MT6895 Android12.0', 'MediaTek MT8791 Android11.0', 'MediaTek MT8791 Android12.0', 'MediaTek MT8798 Android11.0', 'MediaTek MT8798 Android12.0']

Name

['MediaTek MT6833 Android11.0', 'MediaTek MT6833 Android12.0', 'MediaTek MT6873 Android11.0', 'MediaTek MT6873 Android12.0', 'MediaTek MT6877 Android11.0', 'MediaTek MT6877 Android12.0', 'MediaTek MT6885 Android11.0', 'MediaTek MT6885 Android12.0', 'MediaTek MT6983 Android11.0', 'MediaTek MT6983 Android12.0', 'MediaTek MT8797 Android11.0', 'MediaTek MT8797 Android12.0', 'MediaTek MT6853 Android11.0', 'MediaTek MT6853 Android12.0', 'MediaTek MT6879 Android11.0', 'MediaTek MT6879 Android12.0', 'MediaTek MT6893 Android11.0', 'MediaTek MT6893 Android12.0', 'MediaTek MT6895 Android11.0', 'MediaTek MT6895 Android12.0', 'MediaTek MT8791 Android11.0', 'MediaTek MT8791 Android12.0', 'MediaTek MT8798 Android11.0', 'MediaTek MT8798 Android12.0']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-21786",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-21786"
    }
  },
  "description": "\u8054\u53d1\u79d1\u6280\u80a1\u4efd\u6709\u9650\u516c\u53f8\uff08MediaTek Inc.\uff09\u662f\u5168\u7403\u7b2c\u56db\u5927\u6676\u5706\u5382\u534a\u5bfc\u4f53\u516c\u53f8\uff0c\u5728\u79fb\u52a8\u7ec8\u7aef\u3001\u667a\u80fd\u5bb6\u5c45\u5e94\u7528\u3001\u65e0\u7ebf\u8fde\u63a5\u6280\u672f\u53ca\u7269\u8054\u7f51\u4ea7\u54c1\u7b49\u5e02\u573a\u4f4d\u5c45\u9886\u5148\u5730\u4f4d\uff0c\u4e00\u5e74\u7ea6\u670915\u4ebf\u53f0\u5185\u5efaMediaTek\u82af\u7247\u7684\u7ec8\u7aef\u4ea7\u54c1\u5728\u5168\u7403\u5404\u5730\u4e0a\u5e02\u3002\n\n\u591a\u6b3eMediaTek\u82af\u7247audio DSP\u5b58\u5728\u7c7b\u578b\u8f6c\u6362\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u5728\u4e0d\u9700\u8981\u7528\u6237\u4ea4\u4e92\u7684\u524d\u63d0\u6761\u4ef6\u63d0\u5347\u6743\u9650\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://corp.mediatek.com/product-security-bulletin/July-2022",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-66246",
  "openTime": "2022-09-29",
  "patchDescription": "\u8054\u53d1\u79d1\u6280\u80a1\u4efd\u6709\u9650\u516c\u53f8\uff08MediaTek Inc.\uff09\u662f\u5168\u7403\u7b2c\u56db\u5927\u6676\u5706\u5382\u534a\u5bfc\u4f53\u516c\u53f8\uff0c\u5728\u79fb\u52a8\u7ec8\u7aef\u3001\u667a\u80fd\u5bb6\u5c45\u5e94\u7528\u3001\u65e0\u7ebf\u8fde\u63a5\u6280\u672f\u53ca\u7269\u8054\u7f51\u4ea7\u54c1\u7b49\u5e02\u573a\u4f4d\u5c45\u9886\u5148\u5730\u4f4d\uff0c\u4e00\u5e74\u7ea6\u670915\u4ebf\u53f0\u5185\u5efaMediaTek\u82af\u7247\u7684\u7ec8\u7aef\u4ea7\u54c1\u5728\u5168\u7403\u5404\u5730\u4e0a\u5e02\u3002\r\n\r\n\u591a\u6b3eMediaTek\u82af\u7247audio DSP\u5b58\u5728\u7c7b\u578b\u8f6c\u6362\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u5728\u4e0d\u9700\u8981\u7528\u6237\u4ea4\u4e92\u7684\u524d\u63d0\u6761\u4ef6\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": "\u591a\u6b3eMediaTek\u82af\u7247audio DSP\u7c7b\u578b\u8f6c\u6362\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "MediaTek MT6833 Android11.0",
      "MediaTek MT6833 Android12.0",
      "MediaTek MT6873 Android11.0",
      "MediaTek MT6873 Android12.0",
      "MediaTek MT6877 Android11.0",
      "MediaTek MT6877 Android12.0",
      "MediaTek MT6885 Android11.0",
      "MediaTek MT6885 Android12.0",
      "MediaTek MT6983 Android11.0",
      "MediaTek MT6983 Android12.0",
      "MediaTek MT8797 Android11.0",
      "MediaTek MT8797 Android12.0",
      "MediaTek MT6853 Android11.0",
      "MediaTek MT6853 Android12.0",
      "MediaTek MT6879 Android11.0",
      "MediaTek MT6879 Android12.0",
      "MediaTek MT6893 Android11.0",
      "MediaTek MT6893 Android12.0",
      "MediaTek MT6895 Android11.0",
      "MediaTek MT6895 Android12.0",
      "MediaTek MT8791 Android11.0",
      "MediaTek MT8791 Android12.0",
      "MediaTek MT8798 Android11.0",
      "MediaTek MT8798 Android12.0"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2022-21786",
  "serverity": "\u4e2d",
  "submitTime": "2022-07-08",
  "title": "\u591a\u6b3eMediaTek\u82af\u7247audio DSP\u7c7b\u578b\u8f6c\u6362\u6f0f\u6d1e"
}

CVE-2022-21786 (GCVE-0-2022-21786)

Vulnerability from cvelistv5 – Published: 2022-07-06 13:08 – Updated: 2024-08-03 02:53

Summary

In audio DSP, there is a possible memory corruption due to improper casting. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06558822; Issue ID: ALPS06558822.

Severity ?

No CVSS data available.

CWE

Elevation of Privilege

Assigner

MediaTek

References

URL

Tags

https://corp.mediatek.com/product-security-bullet…

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	MediaTek, Inc.	MT6833, MT6853, MT6873, MT6877, MT6879, MT6885, MT6893, MT6895, MT6983, MT8791, MT8797, MT8798	Affected: Android 11.0, 12.0

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T02:53:36.217Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://corp.mediatek.com/product-security-bulletin/July-2022"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "MT6833, MT6853, MT6873, MT6877, MT6879, MT6885, MT6893, MT6895, MT6983, MT8791, MT8797, MT8798",
          "vendor": "MediaTek, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "Android 11.0, 12.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In audio DSP, there is a possible memory corruption due to improper casting. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06558822; Issue ID: ALPS06558822."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Elevation of Privilege",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-07-06T13:08:34",
        "orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
        "shortName": "MediaTek"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://corp.mediatek.com/product-security-bulletin/July-2022"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@mediatek.com",
          "ID": "CVE-2022-21786",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "MT6833, MT6853, MT6873, MT6877, MT6879, MT6885, MT6893, MT6895, MT6983, MT8791, MT8797, MT8798",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Android 11.0, 12.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "MediaTek, Inc."
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In audio DSP, there is a possible memory corruption due to improper casting. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06558822; Issue ID: ALPS06558822."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Elevation of Privilege"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://corp.mediatek.com/product-security-bulletin/July-2022",
              "refsource": "MISC",
              "url": "https://corp.mediatek.com/product-security-bulletin/July-2022"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
    "assignerShortName": "MediaTek",
    "cveId": "CVE-2022-21786",
    "datePublished": "2022-07-06T13:08:34",
    "dateReserved": "2021-11-26T00:00:00",
    "dateUpdated": "2024-08-03T02:53:36.217Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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-2022-66246

CVE-2022-21786 (GCVE-0-2022-21786)

Tags

Sightings

Nomenclature