Vulnerability-Lookup

CNVD-2021-60552

Vulnerability from cnvd - Published: 2021-08-10

Title

Segment is-email输入验证错误漏洞

Description

is-email是一个应用软件。用于验证电子邮件地址。 Segment is-email 存在安全漏洞，该漏洞源于在Node.js的Segment is-email包1.0.1之前发现了一个ReDoS(正则表达式拒绝服务)缺陷。攻击者可利用该漏洞导致应用程序消耗过多的CPU。

Severity

中

Patch Name

Segment is-email输入验证错误漏洞的补丁

Patch Description

is-email是一个应用软件。用于验证电子邮件地址。 Segment is-email 存在安全漏洞，该漏洞源于在Node.js的Segment is-email包1.0.1之前发现了一个ReDoS(正则表达式拒绝服务)缺陷。攻击者可利用该漏洞导致应用程序消耗过多的CPU。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://segment.com/docs/release_notes/2021-07-13-cve-2021-36716/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-36716

Impacted products

Name
Segment is-email <1.0.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-36716"
    }
  },
  "description": "is-email\u662f\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u7528\u4e8e\u9a8c\u8bc1\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u3002\n\nSegment is-email \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728Node.js\u7684Segment is-email\u53051.0.1\u4e4b\u524d\u53d1\u73b0\u4e86\u4e00\u4e2aReDoS(\u6b63\u5219\u8868\u8fbe\u5f0f\u62d2\u7edd\u670d\u52a1)\u7f3a\u9677\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u6d88\u8017\u8fc7\u591a\u7684CPU\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://segment.com/docs/release_notes/2021-07-13-cve-2021-36716/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-60552",
  "openTime": "2021-08-10",
  "patchDescription": "is-email\u662f\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u7528\u4e8e\u9a8c\u8bc1\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u3002\r\n\r\nSegment is-email \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728Node.js\u7684Segment is-email\u53051.0.1\u4e4b\u524d\u53d1\u73b0\u4e86\u4e00\u4e2aReDoS(\u6b63\u5219\u8868\u8fbe\u5f0f\u62d2\u7edd\u670d\u52a1)\u7f3a\u9677\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u6d88\u8017\u8fc7\u591a\u7684CPU\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": "Segment is-email\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Segment is-email \u003c1.0.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-36716",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-15",
  "title": "Segment is-email\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2021-36716 (GCVE-0-2021-36716)

Vulnerability from cvelistv5 – Published: 2021-07-14 15:37 – Updated: 2024-08-04 01:01

Summary

A ReDoS (regular expression denial of service) flaw was found in the Segment is-email package before 1.0.1 for Node.js. An attacker that is able to provide crafted input to the isEmail(input) function may cause an application to consume an excessive amount of CPU.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/segmentio/is-email/releases	x_refsource_MISC
https://segment.com/docs/release_notes/2021-07-13…	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

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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.