Vulnerability-Lookup

CNVD-2022-25226

Vulnerability from cnvd - Published: 2022-04-01

Title

NGINX缓冲区溢出漏洞

Description

Nginx是美国Nginx公司的一款轻量级Web服务器/反向代理服务器及电子邮件（IMAP/POP3）代理服务器。 Nginx存在缓冲区溢出漏洞，该漏洞源于njs 0.7.0及之前版本的 /src/njs_vmcode.c中的 njs_vmcode_typeof 存在越界数组访问。目前没有详细的漏洞细节提供。

Severity

高

Patch Name

NGINX缓冲区溢出漏洞的补丁

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://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-46461

Impacted products

Name
Nginx njs <=0.7.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-46461"
    }
  },
  "description": "Nginx\u662f\u7f8e\u56fdNginx\u516c\u53f8\u7684\u4e00\u6b3e\u8f7b\u91cf\u7ea7Web\u670d\u52a1\u5668/\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\u53ca\u7535\u5b50\u90ae\u4ef6\uff08IMAP/POP3\uff09\u4ee3\u7406\u670d\u52a1\u5668\u3002\n\nNginx\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8enjs 0.7.0\u53ca\u4e4b\u524d\u7248\u672c\u7684 /src/njs_vmcode.c\u4e2d\u7684 njs_vmcode_typeof \u5b58\u5728\u8d8a\u754c\u6570\u7ec4\u8bbf\u95ee\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://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-25226",
  "openTime": "2022-04-01",
  "patchDescription": "Nginx\u662f\u7f8e\u56fdNginx\u516c\u53f8\u7684\u4e00\u6b3e\u8f7b\u91cf\u7ea7Web\u670d\u52a1\u5668/\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\u53ca\u7535\u5b50\u90ae\u4ef6\uff08IMAP/POP3\uff09\u4ee3\u7406\u670d\u52a1\u5668\u3002\r\n\r\nNginx\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8enjs 0.7.0\u53ca\u4e4b\u524d\u7248\u672c\u7684 /src/njs_vmcode.c\u4e2d\u7684 njs_vmcode_typeof \u5b58\u5728\u8d8a\u754c\u6570\u7ec4\u8bbf\u95ee\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": "NGINX\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Nginx njs \u003c=0.7.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-46461",
  "serverity": "\u9ad8",
  "submitTime": "2022-02-16",
  "title": "NGINX\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2021-46461 (GCVE-0-2021-46461)

Vulnerability from cvelistv5 – Published: 2022-02-14 21:47 – Updated: 2024-08-04 05:10

Summary

njs through 0.7.0, used in NGINX, was discovered to contain an out-of-bounds array access via njs_vmcode_typeof in /src/njs_vmcode.c.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

3 references

URL	Tags
https://github.com/nginx/njs/issues/450	x_refsource_MISC
https://github.com/nginx/njs/commit/d457c9545e7e7…	x_refsource_MISC
https://security.netapp.com/advisory/ntap-2022030…	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

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            "url": "https://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2"
          },
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        },
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          "url": "https://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2"
        },
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          "url": "https://security.netapp.com/advisory/ntap-20220303-0007/"
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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.

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.

Action not permitted

CNVD-2022-25226

CVE-2021-46461 (GCVE-0-2021-46461)

Tags

Sightings

Nomenclature

Related by attack behaviour