Vulnerability-Lookup

CNVD-2021-31935

Vulnerability from cnvd - Published: 2021-04-30

Title

Data-Validate-IP存在未明绕过漏洞

Description

Data-Validate-IP是Dave Rolsky开源的一个应用软件。提供IPv4和IPv6验证方法。 Data-Validate-IP 0.29之前版本存在安全漏洞，攻击者可利用该漏洞绕过基于IP地址的访问控制。

Severity

中

Patch Name

Data-Validate-IP存在未明绕过漏洞的补丁

Patch Description

Data-Validate-IP是Dave Rolsky开源的一个应用软件。提供IPv4和IPv6验证方法。 Data-Validate-IP 0.29之前版本存在安全漏洞，攻击者可利用该漏洞绕过基于IP地址的访问控制。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://github.com/houseabsolute/Data-Validate-IP/commit/3bba13c819d616514a75e089badd75002fd4f14e

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-29662

Impacted products

Name
Dave Rolsky Data-Validate-IP <0.29

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2021-29662",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-29662"
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  "description": "Data-Validate-IP\u662fDave Rolsky\u5f00\u6e90\u7684\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u63d0\u4f9bIPv4\u548cIPv6\u9a8c\u8bc1\u65b9\u6cd5\u3002\n\nData-Validate-IP 0.29\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u57fa\u4e8eIP\u5730\u5740\u7684\u8bbf\u95ee\u63a7\u5236\u3002",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-31935",
  "openTime": "2021-04-30",
  "patchDescription": "Data-Validate-IP\u662fDave Rolsky\u5f00\u6e90\u7684\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u63d0\u4f9bIPv4\u548cIPv6\u9a8c\u8bc1\u65b9\u6cd5\u3002\r\n\r\nData-Validate-IP 0.29\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u57fa\u4e8eIP\u5730\u5740\u7684\u8bbf\u95ee\u63a7\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": "Data-Validate-IP\u5b58\u5728\u672a\u660e\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Dave Rolsky Data-Validate-IP \u003c0.29"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-29662",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-02",
  "title": "Data-Validate-IP\u5b58\u5728\u672a\u660e\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2021-29662 (GCVE-0-2021-29662)

Vulnerability from cvelistv5 – Published: 2021-03-31 17:28 – Updated: 2024-08-03 22:11

Summary

The Data::Validate::IP module through 0.29 for Perl does not properly consider extraneous zero characters at the beginning of an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

6 references

URL	Tags
https://blog.urth.org/2021/03/29/security-issues-…	x_refsource_MISC
https://github.com/houseabsolute/Data-Validate-IP…	x_refsource_MISC
https://sick.codes/sick-2021-018/	x_refsource_MISC
https://github.com/houseabsolute/Data-Validate-IP	x_refsource_MISC
https://github.com/sickcodes/security/blob/master…	x_refsource_MISC
https://security.netapp.com/advisory/ntap-2021060…	x_refsource_CONFIRM

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.