Vulnerability-Lookup

CNVD-2021-84223

Vulnerability from cnvd - Published: 2021-10-29

Title

Mediatek audio缓冲区溢出漏洞

Description

Mediatek audio是中国联发科（Mediatek）的芯片的一个音频组件。 Mediatek audio DSP 存在安全漏洞，该漏洞源于在音频DSP中，由于错误的边界检查，可能有越界写。攻击者可利用该漏洞导致本地特权升级。

Severity

高

Patch Name

Mediatek audio缓冲区溢出漏洞的补丁

Patch Description

Mediatek audio是中国联发科（Mediatek）的芯片的一个音频组件。 Mediatek audio DSP 存在安全漏洞，该漏洞源于在音频DSP中，由于错误的边界检查，可能有越界写。攻击者可利用该漏洞导致本地特权升级。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，详情请关注厂商主页： https://corp.mediatek.com/product-security-bulletin/October-2021

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-0661

Impacted products

Name
MediaTek Mediatek audio DSP

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-0661",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-0661"
    }
  },
  "description": "Mediatek audio\u662f\u4e2d\u56fd\u8054\u53d1\u79d1\uff08Mediatek\uff09\u7684\u82af\u7247\u7684\u4e00\u4e2a\u97f3\u9891\u7ec4\u4ef6\u3002\n\nMediatek audio DSP \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u97f3\u9891DSP\u4e2d\uff0c\u7531\u4e8e\u9519\u8bef\u7684\u8fb9\u754c\u68c0\u67e5\uff0c\u53ef\u80fd\u6709\u8d8a\u754c\u5199\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u672c\u5730\u7279\u6743\u5347\u7ea7\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://corp.mediatek.com/product-security-bulletin/October-2021",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-84223",
  "openTime": "2021-10-29",
  "patchDescription": "Mediatek audio\u662f\u4e2d\u56fd\u8054\u53d1\u79d1\uff08Mediatek\uff09\u7684\u82af\u7247\u7684\u4e00\u4e2a\u97f3\u9891\u7ec4\u4ef6\u3002\r\n\r\nMediatek audio DSP \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u97f3\u9891DSP\u4e2d\uff0c\u7531\u4e8e\u9519\u8bef\u7684\u8fb9\u754c\u68c0\u67e5\uff0c\u53ef\u80fd\u6709\u8d8a\u754c\u5199\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u672c\u5730\u7279\u6743\u5347\u7ea7\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": "Mediatek audio\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "MediaTek Mediatek audio DSP"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-0661",
  "serverity": "\u9ad8",
  "submitTime": "2021-10-29",
  "title": "Mediatek audio\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2021-0661 (GCVE-0-2021-0661)

Vulnerability from cvelistv5 – Published: 2021-10-25 13:18 – Updated: 2024-08-03 15:47

Summary

In audio DSP, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05844413; Issue ID: ALPS05844413.

Severity ?

No CVSS data available.

CWE

Elevation of Privilege

Assigner

google_android

References

URL

Tags

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

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	MT6779, MT6781, MT6785, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8797	Affected: Android 9.0, 10.0, 11.0

Show details on NVD website

JSON

To clipboard

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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T15:47:28.225Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://corp.mediatek.com/product-security-bulletin/October-2021"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "MT6779, MT6781, MT6785, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8797",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Android 9.0, 10.0, 11.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In audio DSP, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05844413; Issue ID: ALPS05844413."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Elevation of Privilege",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-10-25T13:18:06.000Z",
        "orgId": "baff130e-b8d5-4e15-b3d3-c3cf5d5545c6",
        "shortName": "google_android"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://corp.mediatek.com/product-security-bulletin/October-2021"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@android.com",
          "ID": "CVE-2021-0661",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "MT6779, MT6781, MT6785, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8797",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Android 9.0, 10.0, 11.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            {
              "lang": "eng",
              "value": "In audio DSP, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05844413; Issue ID: ALPS05844413."
            }
          ]
        },
        "problemtype": {
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            {
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                {
                  "lang": "eng",
                  "value": "Elevation of Privilege"
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          ]
        },
        "references": {
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            {
              "name": "https://corp.mediatek.com/product-security-bulletin/October-2021",
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              "url": "https://corp.mediatek.com/product-security-bulletin/October-2021"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "baff130e-b8d5-4e15-b3d3-c3cf5d5545c6",
    "assignerShortName": "google_android",
    "cveId": "CVE-2021-0661",
    "datePublished": "2021-10-25T13:18:06.000Z",
    "dateReserved": "2020-11-06T00:00:00.000Z",
    "dateUpdated": "2024-08-03T15:47:28.225Z",
    "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-2021-84223

CVE-2021-0661 (GCVE-0-2021-0661)

Tags

Sightings

Nomenclature