Vulnerability-Lookup

CNVD-2020-44349

Vulnerability from cnvd - Published: 2020-08-05

Title

Grandstream HT800 series加密问题漏洞

Description

Grandstream HT800 series是美国潮流网络（Grandstream）公司的一款HT800系列模拟电话适配器。 Grandstream HT800 series加密问题漏洞，该漏洞源于SSH服务中带有后门。攻击者可利用该漏洞借助正确回答提示获得root shell。

Severity

高

Patch Name

Grandstream HT800 series加密问题漏洞的补丁

Patch Description

Grandstream HT800 series是美国潮流网络（Grandstream）公司的一款HT800系列模拟电话适配器。 Grandstream HT800 series加密问题漏洞，该漏洞源于SSH服务中带有后门。攻击者可利用该漏洞借助正确回答提示获得root shell。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

厂商已发布了漏洞修复程序，请及时关注更新： http://www.grandstream.com/

Reference

https://www.tenable.com/security/research/tra-2020-47

Impacted products

Name
Grandstream Grandstream HT800 series <=1.0.17.5

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2020-5763",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-5763"
    }
  },
  "description": "Grandstream HT800 series\u662f\u7f8e\u56fd\u6f6e\u6d41\u7f51\u7edc\uff08Grandstream\uff09\u516c\u53f8\u7684\u4e00\u6b3eHT800\u7cfb\u5217\u6a21\u62df\u7535\u8bdd\u9002\u914d\u5668\u3002\n\nGrandstream HT800 series\u52a0\u5bc6\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eSSH\u670d\u52a1\u4e2d\u5e26\u6709\u540e\u95e8\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u501f\u52a9\u6b63\u786e\u56de\u7b54\u63d0\u793a\u83b7\u5f97root shell\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://www.grandstream.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-44349",
  "openTime": "2020-08-05",
  "patchDescription": "Grandstream HT800 series\u662f\u7f8e\u56fd\u6f6e\u6d41\u7f51\u7edc\uff08Grandstream\uff09\u516c\u53f8\u7684\u4e00\u6b3eHT800\u7cfb\u5217\u6a21\u62df\u7535\u8bdd\u9002\u914d\u5668\u3002\r\n\r\nGrandstream HT800 series\u52a0\u5bc6\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eSSH\u670d\u52a1\u4e2d\u5e26\u6709\u540e\u95e8\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u501f\u52a9\u6b63\u786e\u56de\u7b54\u63d0\u793a\u83b7\u5f97root shell\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": "Grandstream HT800 series\u52a0\u5bc6\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Grandstream Grandstream HT800 series \u003c=1.0.17.5"
  },
  "referenceLink": "https://www.tenable.com/security/research/tra-2020-47",
  "serverity": "\u9ad8",
  "submitTime": "2020-07-31",
  "title": "Grandstream HT800 series\u52a0\u5bc6\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2020-5763 (GCVE-0-2020-5763)

Vulnerability from cvelistv5 – Published: 2020-07-29 18:51 – Updated: 2024-08-04 08:39

Summary

Grandstream HT800 series firmware version 1.0.17.5 and below contain a backdoor in the SSH service. An authenticated remote attacker can obtain a root shell by correctly answering a challenge prompt.

Severity

No CVSS data available.

CWE

CWE-489

Assigner

tenable mitre root Scorecard

References

2 references

URL	Tags
https://www.tenable.com/security/research/tra-2020-43	x_refsource_MISC
https://www.tenable.com/security/research/tra-2020-47	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	Grandstream HT800 Series	Affected: Versions 1.0.17.5 and below

Show details on NVD website

JSON

To clipboard

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    ],
    "cna": {
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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.

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.
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CNVD-2020-44349

CVE-2020-5763 (GCVE-0-2020-5763)

Tags

Sightings

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Related by attack behaviour