Vulnerability-Lookup

CNVD-2021-13486

Vulnerability from cnvd - Published: 2021-03-01

Title

Google Chrome缓冲区溢出漏洞（CNVD-2021-13486）

Description

Chrome是由Google开发的一款设计简单、高效的Web浏览工具，其特点是简洁、快速。 Google Chrome 88.0.4324.146之前版本中的Extensions存在缓冲区溢出漏洞，攻击者可诱使用户安装恶意扩展程序，通过精心制作的Chrome扩展程序利用该漏洞导致堆破坏。

Severity

中

Patch Name

Google Chrome缓冲区溢出漏洞（CNVD-2021-13486）的补丁

Patch Description

Chrome是由Google开发的一款设计简单、高效的Web浏览工具，其特点是简洁、快速。 Google Chrome 88.0.4324.146之前版本中的Extensions存在缓冲区溢出漏洞，攻击者可诱使用户安装恶意扩展程序，通过精心制作的Chrome扩展程序利用该漏洞导致堆破坏。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

厂商已发布了漏洞修复程序，请及时关注更新： https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-21143

Impacted products

Name
Google Chrome <88.0.4324.146

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-21143",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-21143"
    }
  },
  "description": "Chrome\u662f\u7531Google\u5f00\u53d1\u7684\u4e00\u6b3e\u8bbe\u8ba1\u7b80\u5355\u3001\u9ad8\u6548\u7684Web\u6d4f\u89c8\u5de5\u5177\uff0c\u5176\u7279\u70b9\u662f\u7b80\u6d01\u3001\u5feb\u901f\u3002\n\nGoogle Chrome 88.0.4324.146\u4e4b\u524d\u7248\u672c\u4e2d\u7684Extensions\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u8bf1\u4f7f\u7528\u6237\u5b89\u88c5\u6076\u610f\u6269\u5c55\u7a0b\u5e8f\uff0c\u901a\u8fc7\u7cbe\u5fc3\u5236\u4f5c\u7684Chrome\u6269\u5c55\u7a0b\u5e8f\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5806\u7834\u574f\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://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-13486",
  "openTime": "2021-03-01",
  "patchDescription": "Chrome\u662f\u7531Google\u5f00\u53d1\u7684\u4e00\u6b3e\u8bbe\u8ba1\u7b80\u5355\u3001\u9ad8\u6548\u7684Web\u6d4f\u89c8\u5de5\u5177\uff0c\u5176\u7279\u70b9\u662f\u7b80\u6d01\u3001\u5feb\u901f\u3002\r\n\r\nGoogle Chrome 88.0.4324.146\u4e4b\u524d\u7248\u672c\u4e2d\u7684Extensions\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u8bf1\u4f7f\u7528\u6237\u5b89\u88c5\u6076\u610f\u6269\u5c55\u7a0b\u5e8f\uff0c\u901a\u8fc7\u7cbe\u5fc3\u5236\u4f5c\u7684Chrome\u6269\u5c55\u7a0b\u5e8f\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5806\u7834\u574f\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": "Google Chrome\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-13486\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Google Chrome \u003c88.0.4324.146"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-21143",
  "serverity": "\u4e2d",
  "submitTime": "2021-02-03",
  "title": "Google Chrome\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-13486\uff09"
}

CVE-2021-21143 (GCVE-0-2021-21143)

Vulnerability from cvelistv5 – Published: 2021-02-09 14:55 – Updated: 2024-08-03 18:01

Summary

Heap buffer overflow in Extensions in Google Chrome prior to 88.0.4324.146 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.

Severity

No CVSS data available.

CWE

Heap buffer overflow

Assigner

Chrome Google root

References

5 references

URL	Tags
https://chromereleases.googleblog.com/2021/02/sta…	x_refsource_MISC
https://crbug.com/1163504	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://security.gentoo.org/glsa/202104-08	vendor-advisoryx_refsource_GENTOO

Impacted products

1 product

Vendor	Product	Version
Google	Chrome	Affected: unspecified , < 88.0.4324.146 (custom)

Show details on NVD website

JSON

To clipboard

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            "url": "https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop.html"
          },
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            "tags": [
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            "url": "https://crbug.com/1163504"
          },
          {
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            ],
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          },
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7ACWYJ74Z3YN2XH4QMUEGNBC3VXX464L/"
          },
          {
            "name": "GLSA-202104-08",
            "tags": [
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              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202104-08"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Chrome",
          "vendor": "Google",
          "versions": [
            {
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              "status": "affected",
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        "orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
        "shortName": "Chrome"
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        },
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          "url": "https://crbug.com/1163504"
        },
        {
          "name": "FEDORA-2021-05afa65d39",
          "tags": [
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          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUQSMNV7INLDDSD3RKI5S5EAULX2QC7P/"
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        },
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      "x_legacyV4Record": {
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              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AUQSMNV7INLDDSD3RKI5S5EAULX2QC7P/"
            },
            {
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              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7ACWYJ74Z3YN2XH4QMUEGNBC3VXX464L/"
            },
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    "datePublished": "2021-02-09T14:55:27.000Z",
    "dateReserved": "2020-12-21T00:00:00.000Z",
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    "state": "PUBLISHED"
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}

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.