Vulnerability-Lookup

CNVD-2021-38767

Vulnerability from cnvd - Published: 2021-06-02

Title

Cesanta MJS堆栈溢出漏洞

Description

Cesanta MJS是爱尔兰Cesanta公司的一个用于 C/C++ 的嵌入式 JavaScript 引擎。专为资源有限的微控制器而设计。主要设计目标是占用空间小和简单的C / C ++互操作性。 Cesanta MJS 1.20.1版本中的parse_array存在堆栈溢出漏洞，远程攻击者可利用该漏洞通过精心制作的文件导致拒绝服务(DoS)。

Severity

中

Patch Name

Cesanta MJS堆栈溢出漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： https://github.com/cesanta/mjs

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-18392

Impacted products

Name
Cesanta Cesanta MJS 1.20.1

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2020-18392",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-18392"
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-38767",
  "openTime": "2021-06-02",
  "patchDescription": "Cesanta MJS\u662f\u7231\u5c14\u5170Cesanta\u516c\u53f8\u7684\u4e00\u4e2a\u7528\u4e8e C/C++ \u7684\u5d4c\u5165\u5f0f JavaScript \u5f15\u64ce\u3002\u4e13\u4e3a\u8d44\u6e90\u6709\u9650\u7684\u5fae\u63a7\u5236\u5668\u800c\u8bbe\u8ba1\u3002\u4e3b\u8981\u8bbe\u8ba1\u76ee\u6807\u662f\u5360\u7528\u7a7a\u95f4\u5c0f\u548c\u7b80\u5355\u7684C / C ++\u4e92\u64cd\u4f5c\u6027\u3002\r\n\r\nCesanta MJS 1.20.1\u7248\u672c\u4e2d\u7684parse_array\u5b58\u5728\u5806\u6808\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7cbe\u5fc3\u5236\u4f5c\u7684\u6587\u4ef6\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1(DoS)\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": "Cesanta MJS\u5806\u6808\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
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  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-18392",
  "serverity": "\u4e2d",
  "submitTime": "2021-06-01",
  "title": "Cesanta MJS\u5806\u6808\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2020-18392 (GCVE-0-2020-18392)

Vulnerability from cvelistv5 – Published: 2021-05-28 20:37 – Updated: 2024-08-04 14:00

Summary

Stack overflow vulnerability in parse_array Cesanta MJS 1.20.1, allows remote attackers to cause a Denial of Service (DoS) via a crafted file.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/cesanta/mjs/issues/106	x_refsource_MISC
https://cwe.mitre.org/data/definitions/674.html	x_refsource_MISC

Show details on NVD website

JSON

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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.