Vulnerability-Lookup

CNVD-2021-26348

Vulnerability from cnvd - Published: 2021-04-09

Title

Fluxbb拒绝服务漏洞

Description

FluxBB是一款开源论坛应用程序。 Fluxbb 1.5.11存在拒绝服务漏洞。攻击者可通过用户登录表单发送一个非常长的密码利用该漏洞耗尽服务器上的CPU和内存资源，从而可导致拒绝服务。

Severity

高

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://fluxbb.org/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-28873

Impacted products

Name
FluxBB FluxBB 1.5.11

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-28873",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-28873"
    }
  },
  "description": "FluxBB\u662f\u4e00\u6b3e\u5f00\u6e90\u8bba\u575b\u5e94\u7528\u7a0b\u5e8f\u3002\n\nFluxbb 1.5.11\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7528\u6237\u767b\u5f55\u8868\u5355\u53d1\u9001\u4e00\u4e2a\u975e\u5e38\u957f\u7684\u5bc6\u7801\u5229\u7528\u8be5\u6f0f\u6d1e\u8017\u5c3d\u670d\u52a1\u5668\u4e0a\u7684CPU\u548c\u5185\u5b58\u8d44\u6e90\uff0c\u4ece\u800c\u53ef\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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://fluxbb.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-26348",
  "openTime": "2021-04-09",
  "products": {
    "product": "FluxBB FluxBB 1.5.11"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-28873",
  "serverity": "\u9ad8",
  "submitTime": "2021-03-18",
  "title": "Fluxbb\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2020-28873 (GCVE-0-2020-28873)

Vulnerability from cvelistv5 – Published: 2021-03-17 12:31 – Updated: 2024-08-04 16:40

Summary

Fluxbb 1.5.11 is affected by a denial of service (DoS) vulnerability by sending an extremely long password via the user login form. When a long password is sent, the password hashing process will result in CPU and memory exhaustion on the server.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	http://fluxbb.com	x_refsource_MISC
	https://www.acunetix.com/vulnerabilities/web/long…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T16:40:59.978Z",
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          {
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              "x_transferred"
            ],
            "url": "http://fluxbb.com"
          },
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://www.acunetix.com/vulnerabilities/web/long-password-denial-of-service/#:~:text=By%20sending%20a%20very%20long%2Ca%20vulnerable%20password%20hashing%20implementation"
          }
        ],
        "title": "CVE Program Container"
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        "shortName": "mitre"
      },
      "references": [
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          "tags": [
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          ],
          "url": "http://fluxbb.com"
        },
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          "tags": [
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          ],
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        }
      ],
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          "ID": "CVE-2020-28873",
          "STATE": "PUBLIC"
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              "refsource": "MISC",
              "url": "https://www.acunetix.com/vulnerabilities/web/long-password-denial-of-service/#:~:text=By%20sending%20a%20very%20long,a%20vulnerable%20password%20hashing%20implementation"
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  },
  "cveMetadata": {
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    "dateReserved": "2020-11-16T00:00:00",
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  },
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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-2021-26348

CVE-2020-28873 (GCVE-0-2020-28873)

Tags

Sightings

Nomenclature