Vulnerability-Lookup

CNVD-2021-25670

Vulnerability from cnvd - Published: 2021-04-08

Title

PowerDNS Recursor存在未明漏洞（CNVD-2021-25670）

Description

PowerDNS Recursor（pdns_recursor）是荷兰PowerDNS公司的一款域名解析服务器。 PowerDNS Recursor 4.3.1及之前版本、4.2.2及之前版本和4.1.16及之前版本中存在安全漏洞，该漏洞源于程序未能正确对内部Web服务器进行ACL访问限制，远程攻击者可借助特制HTTP请求利用该漏洞绕过安全限制。

Severity

中

Patch Name

PowerDNS Recursor存在未明漏洞（CNVD-2021-25670）的补丁

Patch Description

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://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-04.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-14196

Impacted products

Name
['PowerDNS Recursor <=4.3.1', 'PowerDNS Recursor <=4.2.2', 'PowerDNS Recursor <=4.1.16']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-14196"
    }
  },
  "description": "PowerDNS Recursor\uff08pdns_recursor\uff09\u662f\u8377\u5170PowerDNS\u516c\u53f8\u7684\u4e00\u6b3e\u57df\u540d\u89e3\u6790\u670d\u52a1\u5668\u3002\n\nPowerDNS Recursor 4.3.1\u53ca\u4e4b\u524d\u7248\u672c\u30014.2.2\u53ca\u4e4b\u524d\u7248\u672c\u548c4.1.16\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u5bf9\u5185\u90e8Web\u670d\u52a1\u5668\u8fdb\u884cACL\u8bbf\u95ee\u9650\u5236\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236HTTP\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5b89\u5168\u9650\u5236\u3002",
  "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://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-04.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-25670",
  "openTime": "2021-04-08",
  "patchDescription": "PowerDNS Recursor\uff08pdns_recursor\uff09\u662f\u8377\u5170PowerDNS\u516c\u53f8\u7684\u4e00\u6b3e\u57df\u540d\u89e3\u6790\u670d\u52a1\u5668\u3002\r\n\r\nPowerDNS Recursor 4.3.1\u53ca\u4e4b\u524d\u7248\u672c\u30014.2.2\u53ca\u4e4b\u524d\u7248\u672c\u548c4.1.16\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u5bf9\u5185\u90e8Web\u670d\u52a1\u5668\u8fdb\u884cACL\u8bbf\u95ee\u9650\u5236\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236HTTP\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5b89\u5168\u9650\u5236\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": "PowerDNS Recursor\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-25670\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "PowerDNS Recursor \u003c=4.3.1",
      "PowerDNS Recursor \u003c=4.2.2",
      "PowerDNS Recursor \u003c=4.1.16"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-14196",
  "serverity": "\u4e2d",
  "submitTime": "2020-07-02",
  "title": "PowerDNS Recursor\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-25670\uff09"
}

CVE-2020-14196 (GCVE-0-2020-14196)

Vulnerability from cvelistv5 – Published: 2020-07-01 17:03 – Updated: 2024-08-04 12:39

Summary

In PowerDNS Recursor versions up to and including 4.3.1, 4.2.2 and 4.1.16, the ACL restricting access to the internal web server is not properly enforced.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

7 references

URL	Tags
https://www.openwall.com/lists/oss-security/2020/…	x_refsource_CONFIRM
https://doc.powerdns.com/recursor/security-adviso…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Show details on NVD website

JSON

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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.

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CNVD-2021-25670

CVE-2020-14196 (GCVE-0-2020-14196)

Tags

Sightings

Nomenclature

Related by attack behaviour