cnvd - cnvd-2022-87961

cnvd-2022-87961

Vulnerability from cnvd

Title: 多款MediaTek芯片vdec fmt本地权限提升漏洞

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芯片存在权限提升漏洞，该漏洞源于在vdec fmt中锁定不当，导致释放后重用，攻击者可利用该漏洞进行本地权限提升。

Severity: 中

Patch Name: 多款MediaTek芯片vdec fmt本地权限提升漏洞的补丁

Patch Description:

多款MediaTek芯片存在权限提升漏洞，该漏洞源于在vdec fmt中锁定不当，导致释放后重用，攻击者可利用该漏洞进行本地权限提升。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://corp.mediatek.com/product-security-bulletin/October-2022

Reference: https://corp.mediatek.com/product-security-bulletin/October-2022

Impacted products

Name
['MediaTek MT6855 Android 12.0', 'MediaTek MT6879 Android 12.0', 'MediaTek MT6983 Android 12.0', 'MediaTek MT6895 Android 12.0', 'MediaTek MT8168 Android 12.0', 'MediaTek MT8365 Android 12.0', 'MediaTek MT6789 Android 12.0', 'MediaTek MT8695 Android 12.0', 'MediaTek MT8696 Android 12.0', 'MediaTek MT8798 Android 12.0']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-26473",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-26473"
    }
  },
  "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\u7247\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728vdec fmt\u4e2d\u9501\u5b9a\u4e0d\u5f53\uff0c\u5bfc\u81f4\u91ca\u653e\u540e\u91cd\u7528\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8fdb\u884c\u672c\u5730\u6743\u9650\u63d0\u5347\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://corp.mediatek.com/product-security-bulletin/October-2022",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-87961",
  "openTime": "2022-12-15",
  "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\u7247\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728vdec fmt\u4e2d\u9501\u5b9a\u4e0d\u5f53\uff0c\u5bfc\u81f4\u91ca\u653e\u540e\u91cd\u7528\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8fdb\u884c\u672c\u5730\u6743\u9650\u63d0\u5347\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\u7247vdec fmt\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "MediaTek MT6855 Android 12.0",
      "MediaTek MT6879 Android 12.0",
      "MediaTek MT6983 Android 12.0",
      "MediaTek MT6895 Android 12.0",
      "MediaTek MT8168 Android 12.0",
      "MediaTek MT8365 Android 12.0",
      "MediaTek MT6789 Android 12.0",
      "MediaTek MT8695 Android 12.0",
      "MediaTek MT8696 Android 12.0",
      "MediaTek MT8798 Android 12.0"
    ]
  },
  "referenceLink": "https://corp.mediatek.com/product-security-bulletin/October-2022",
  "serverity": "\u4e2d",
  "submitTime": "2022-10-10",
  "title": "\u591a\u6b3eMediaTek\u82af\u7247vdec fmt\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

CVE-2022-26473 (GCVE-0-2022-26473)

Vulnerability from cvelistv5

Published

2022-10-07 00:00

Modified

2024-08-03 05:03

Severity ?

CWE

Elevation of Privilege

Summary

In vdec fmt, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07342197; Issue ID: ALPS07342197.

References

▼	URL	Tags
	https://corp.mediatek.com/product-security-bulletin/October-2022

Impacted products

	Vendor	Product	Version
	MediaTek, Inc.	MT6789, MT6855, MT6879, MT6895, MT6983, MT8168, MT8365, MT8695, MT8696, MT8798	Version: Android 12.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T05:03:32.776Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://corp.mediatek.com/product-security-bulletin/October-2022"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "MT6789, MT6855, MT6879, MT6895, MT6983, MT8168, MT8365, MT8695, MT8696, MT8798",
          "vendor": "MediaTek, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "Android 12.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In vdec fmt, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07342197; Issue ID: ALPS07342197."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Elevation of Privilege",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-10-07T00:00:00",
        "orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
        "shortName": "MediaTek"
      },
      "references": [
        {
          "url": "https://corp.mediatek.com/product-security-bulletin/October-2022"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
    "assignerShortName": "MediaTek",
    "cveId": "CVE-2022-26473",
    "datePublished": "2022-10-07T00:00:00",
    "dateReserved": "2022-03-04T00:00:00",
    "dateUpdated": "2024-08-03T05:03:32.776Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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