Vulnerability-Lookup

CNVD-2021-49781

Vulnerability from cnvd - Published: 2021-07-12

Title

MikroTik RouterOS断言失败漏洞

Description

MikroTik RouterOS是拉脱维亚MikroTik公司的一套基于Linux开发的路由器操作系统。该系统可部署在PC中，使其提供路由器功能。 MikroTik RouterOS在btest进程中存在断言失败漏洞。经过身份验证的远程攻击者可利用漏洞通过特制的数据包导致断言失败，从而导致拒绝服务。

Severity

中

Formal description

目前没有详细的解决方案提供： https://mikrotik.com/download/changelogs/stable-release-tree

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-20214

Impacted products

Name
MicroTik RouterOS 6.44.6

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2020-20214",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-20214"
    }
  },
  "description": "MikroTik RouterOS\u662f\u62c9\u8131\u7ef4\u4e9aMikroTik\u516c\u53f8\u7684\u4e00\u5957\u57fa\u4e8eLinux\u5f00\u53d1\u7684\u8def\u7531\u5668\u64cd\u4f5c\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u53ef\u90e8\u7f72\u5728PC\u4e2d\uff0c\u4f7f\u5176\u63d0\u4f9b\u8def\u7531\u5668\u529f\u80fd\u3002\n\nMikroTik RouterOS\u5728btest\u8fdb\u7a0b\u4e2d\u5b58\u5728\u65ad\u8a00\u5931\u8d25\u6f0f\u6d1e\u3002\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u901a\u8fc7\u7279\u5236\u7684\u6570\u636e\u5305\u5bfc\u81f4\u65ad\u8a00\u5931\u8d25\uff0c\u4ece\u800c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u89e3\u51b3\u65b9\u6848\u63d0\u4f9b\uff1a\r\nhttps://mikrotik.com/download/changelogs/stable-release-tree",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-49781",
  "openTime": "2021-07-12",
  "products": {
    "product": "MicroTik RouterOS 6.44.6"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-20214",
  "serverity": "\u4e2d",
  "submitTime": "2021-05-17",
  "title": "MikroTik RouterOS\u65ad\u8a00\u5931\u8d25\u6f0f\u6d1e"
}

CVE-2020-20214 (GCVE-0-2020-20214)

Vulnerability from cvelistv5 – Published: 2021-05-18 18:21 – Updated: 2024-08-04 14:15

Summary

Mikrotik RouterOs 6.44.6 (long-term tree) suffers from an assertion failure vulnerability in the btest process. An authenticated remote attacker can cause a Denial of Service due to an assertion failure via a crafted packet.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://mikrotik.com/	x_refsource_MISC
	http://seclists.org/fulldisclosure/2021/May/15	mailing-listx_refsource_FULLDISC
	http://seclists.org/fulldisclosure/2021/May/15	x_refsource_MISC
	http://packetstormsecurity.com/files/162513/Mikro…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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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-2021-49781

CVE-2020-20214 (GCVE-0-2020-20214)

Tags

Sightings

Nomenclature