Vulnerability-Lookup

CNVD-2020-72722

Vulnerability from cnvd - Published: 2020-12-18

Title

D-Link DSR-250命令注入漏洞（CNVD-2020-72722）

Description

D-Link DSR-250是一款具有动态Web内容过滤功能的8端口千兆VPN路由器。 D-Link DSR-250 3.17存在命令注入漏洞。该漏洞源于对配置文件校验和的验证不足。攻击者可利用该漏洞在上传前将任意crontab条目注入已保存的配置中，并以root权限执行条目。

Severity

高

Patch Name

D-Link DSR-250命令注入漏洞（CNVD-2020-72722）的补丁

Patch Description

D-Link DSR-250是一款具有动态Web内容过滤功能的8端口千兆VPN路由器。 D-Link DSR-250 3.17存在命令注入漏洞。该漏洞源于对配置文件校验和的验证不足。攻击者可利用该漏洞在上传前将任意crontab条目注入已保存的配置中，并以root权限执行条目。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： https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10195

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-25758

Impacted products

Name
D-Link DSR-250 3.17

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-25758",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-25758"
    }
  },
  "description": "D-Link DSR-250\u662f\u4e00\u6b3e\u5177\u6709\u52a8\u6001Web\u5185\u5bb9\u8fc7\u6ee4\u529f\u80fd\u76848\u7aef\u53e3\u5343\u5146VPN\u8def\u7531\u5668\u3002\n\nD-Link DSR-250 3.17\u5b58\u5728\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bf9\u914d\u7f6e\u6587\u4ef6\u6821\u9a8c\u548c\u7684\u9a8c\u8bc1\u4e0d\u8db3\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u4e0a\u4f20\u524d\u5c06\u4efb\u610fcrontab\u6761\u76ee\u6ce8\u5165\u5df2\u4fdd\u5b58\u7684\u914d\u7f6e\u4e2d\uff0c\u5e76\u4ee5root\u6743\u9650\u6267\u884c\u6761\u76ee\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10195",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-72722",
  "openTime": "2020-12-18",
  "patchDescription": "D-Link DSR-250\u662f\u4e00\u6b3e\u5177\u6709\u52a8\u6001Web\u5185\u5bb9\u8fc7\u6ee4\u529f\u80fd\u76848\u7aef\u53e3\u5343\u5146VPN\u8def\u7531\u5668\u3002\r\n\r\nD-Link DSR-250 3.17\u5b58\u5728\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bf9\u914d\u7f6e\u6587\u4ef6\u6821\u9a8c\u548c\u7684\u9a8c\u8bc1\u4e0d\u8db3\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u4e0a\u4f20\u524d\u5c06\u4efb\u610fcrontab\u6761\u76ee\u6ce8\u5165\u5df2\u4fdd\u5b58\u7684\u914d\u7f6e\u4e2d\uff0c\u5e76\u4ee5root\u6743\u9650\u6267\u884c\u6761\u76ee\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": "D-Link DSR-250\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff08CNVD-2020-72722\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "D-Link DSR-250 3.17"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-25758",
  "serverity": "\u9ad8",
  "submitTime": "2020-12-16",
  "title": "D-Link DSR-250\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff08CNVD-2020-72722\uff09"
}

CVE-2020-25758 (GCVE-0-2020-25758)

Vulnerability from cvelistv5 – Published: 2020-12-15 19:27 – Updated: 2024-08-04 15:40

Summary

An issue was discovered on D-Link DSR-250 3.17 devices. Insufficient validation of configuration file checksums could allow a remote, authenticated attacker to inject arbitrary crontab entries into saved configurations before uploading. These entries are executed as root.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://www.dlink.com/en/security-bulletin	x_refsource_MISC
https://supportannouncement.us.dlink.com/announce…	x_refsource_MISC
https://www.digitaldefense.com/news/zero-day-vuln…	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.

Detection rules are retrieved from Rulezet.

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.

Related by attack behaviour

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.