cnvd - cnvd-2022-71622

CNVD-2022-71622

Vulnerability from cnvd - Published: 2022-10-27

Title

Embedthis Software Appweb Community Edition拒绝服务漏洞

Description

Embedthis Software Appweb是美国Embedthis Software公司的一款用于嵌入式应用程序的Web服务器。 Embedthis Software Appweb Community Edition 8.2.1版本存在拒绝服务漏洞，该漏洞源于src/http/httpLib.c中取消空指针引用，攻击者可利用该漏洞导致服务器崩溃。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://github.com/embedthis/appweb/issues/389

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-33254

Impacted products

Name
Embedthis Software Appweb Community Edition 8.2.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-33254",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-33254"
    }
  },
  "description": "Embedthis Software Appweb\u662f\u7f8e\u56fdEmbedthis Software\u516c\u53f8\u7684\u4e00\u6b3e\u7528\u4e8e\u5d4c\u5165\u5f0f\u5e94\u7528\u7a0b\u5e8f\u7684Web\u670d\u52a1\u5668\u3002\n\nEmbedthis Software Appweb Community Edition 8.2.1\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c \u8be5\u6f0f\u6d1e\u6e90\u4e8esrc/http/httpLib.c\u4e2d\u53d6\u6d88\u7a7a\u6307\u9488\u5f15\u7528\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u670d\u52a1\u5668\u5d29\u6e83\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://github.com/embedthis/appweb/issues/389",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-71622",
  "openTime": "2022-10-27",
  "products": {
    "product": "Embedthis Software Appweb Community Edition 8.2.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-33254",
  "serverity": "\u4e2d",
  "submitTime": "2022-06-09",
  "title": "Embedthis Software  Appweb Community Edition\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2021-33254 (GCVE-0-2021-33254)

Vulnerability from cvelistv5 – Published: 2022-06-01 14:31 – Updated: 2024-08-03 23:42

Summary

An issue was discovered in src/http/httpLib.c in EmbedThis Appweb Community Edition 8.2.1, allows attackers to cause a denial of service via the stream paramter to the parseUri function.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://awxylitol.github.io/2021/05/09/embedthis-…

x_refsource_MISC

Show details on NVD website

JSON

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          "dateUpdated": "2024-08-03T23:42:20.295Z",
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              "x_transferred"
            ],
            "url": "https://awxylitol.github.io/2021/05/09/embedthis-appweb-npd-bug.html"
          }
        ],
        "title": "CVE Program Container"
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          "vendor": "n/a",
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        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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      },
      "references": [
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          ],
          "url": "https://awxylitol.github.io/2021/05/09/embedthis-appweb-npd-bug.html"
        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-33254",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
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                      "product_name": "n/a",
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                        "version_data": [
                          {
                            "version_value": "n/a"
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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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-2022-71622

CVE-2021-33254 (GCVE-0-2021-33254)

Tags

Sightings

Nomenclature