Vulnerability-Lookup

CNVD-2021-100327

Vulnerability from cnvd - Published: 2021-12-16

Title

FlexiHub For Windows整数溢出漏洞

Description

FlexiHub是 FlexiHub团队的一种共享和访问远程设备。 FlexiHub For Windows存在整数溢出漏洞，攻击者可利用该漏洞在内核模式下执行任意代码或通过特制的I/O请求数据包导致拒绝服务。

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://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-42993

Impacted products

Name
FlexiHub FlexiHub For Windows >2.0.4340，<5.3.14268

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-42993"
    }
  },
  "description": "FlexiHub\u662f FlexiHub\u56e2\u961f\u7684\u4e00\u79cd\u5171\u4eab\u548c\u8bbf\u95ee\u8fdc\u7a0b\u8bbe\u5907\u3002\n\nFlexiHub For Windows\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u5185\u6838\u6a21\u5f0f\u4e0b\u6267\u884c\u4efb\u610f\u4ee3\u7801\u6216\u901a\u8fc7\u7279\u5236\u7684I/O\u8bf7\u6c42\u6570\u636e\u5305\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://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-100327",
  "openTime": "2021-12-16",
  "products": {
    "product": "FlexiHub FlexiHub For Windows \u003e2.0.4340\uff0c\u003c5.3.14268"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-42993",
  "serverity": "\u9ad8",
  "submitTime": "2021-12-08",
  "title": "FlexiHub For Windows\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2021-42993 (GCVE-0-2021-42993)

Vulnerability from cvelistv5 – Published: 2021-12-07 19:50 – Updated: 2024-08-04 03:47

Summary

FlexiHub For Windows is affected by Integer Overflow. IOCTL Handler 0x22001B in the FlexiHub For Windows above 2.0.4340 below 5.3.14268 allow local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corruption and OS crash) via specially crafted I/O Request Packet.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 27/100 over 2388 records in the last 180 days details

References

1 reference

URL	Tags
https://www.sentinelone.com/labs/usb-over-etherne…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CNVD-2021-100327

CVE-2021-42993 (GCVE-0-2021-42993)

Tags

Sightings

Nomenclature

Related by attack behaviour