cnvd - cnvd-2021-18376

CNVD-2021-18376

Vulnerability from cnvd - Published: 2021-03-18

Title

FiberHome HG6245D devices缓冲区溢出漏洞

Description

FiberHome HG6245D devices是中国烽火通信（FiberHome）公司的一个路由器。提供网络联通功能。 FiberHome HG6245D devices中存在缓冲区溢出漏洞，攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

Severity

高

Patch Name

FiberHome HG6245D devices缓冲区溢出漏洞的补丁

Patch Description

FiberHome HG6245D devices是中国烽火通信（FiberHome）公司的一个路由器。提供网络联通功能。 FiberHome HG6245D devices中存在缓冲区溢出漏洞，攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。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

厂商已提供漏洞修补方案，请关注厂商主页及时更新： https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html

Reference

https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#telnet-cli-privilege-escalation

Impacted products

Name
Fiberhome FiberHome HG6245D devices

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-27171",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-27171"
    }
  },
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  "formalWay": "\u5382\u5546\u5df2\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u8865\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u53ca\u65f6\u66f4\u65b0\uff1a\r\nhttps://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-18376",
  "openTime": "2021-03-18",
  "patchDescription": "FiberHome HG6245D devices\u662f\u4e2d\u56fd\u70fd\u706b\u901a\u4fe1\uff08FiberHome\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u8def\u7531\u5668\u3002\u63d0\u4f9b\u7f51\u7edc\u8054\u901a\u529f\u80fd\u3002\r\n\r\nFiberHome HG6245D devices\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\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": "FiberHome HG6245D devices\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Fiberhome FiberHome HG6245D devices"
  },
  "referenceLink": "https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#telnet-cli-privilege-escalation",
  "serverity": "\u9ad8",
  "submitTime": "2021-02-24",
  "title": "FiberHome HG6245D devices\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2021-27171 (GCVE-0-2021-27171)

Vulnerability from cvelistv5 – Published: 2021-02-10 18:35 – Updated: 2024-08-03 20:40

Summary

An issue was discovered on FiberHome HG6245D devices through RP2613. It is possible to start a Linux telnetd as root on port 26/tcp by using the CLI interface commands of ddd and shell (or tshell).

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://pierrekim.github.io/blog/2021-01-12-fiber…

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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            "url": "https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#telnet-cli-privilege-escalation"
          }
        ],
        "title": "CVE Program Container"
      }
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        "dateUpdated": "2021-02-10T18:35:36",
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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-2021-18376

CVE-2021-27171 (GCVE-0-2021-27171)

Tags

Sightings

Nomenclature