Vulnerability-Lookup

CNVD-2022-52262

Vulnerability from cnvd - Published: 2022-07-19

Title

GNU LibreDWG缓冲区溢出漏洞（CNVD-2022-52262）

Description

GNU LibreDWG是GNU社区的一个用于处理DWG文件的C语言库。 GNU LibreDWG 0.12.4.4313到0.12.4.4367存在安全漏洞，该漏洞源于在dwg free BLOCK private中有一个越域写(从dwg free BLOCK和dwg free object中调用)。目前没有详细的漏洞细节提供。

Severity

中

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34766

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-45950

Impacted products

Name
Gnu GNU LibreDWG >=0.12.4.4313，<=0.12.4.4367

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-45950",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-45950"
    }
  },
  "description": "GNU LibreDWG\u662fGNU\u793e\u533a\u7684\u4e00\u4e2a\u7528\u4e8e\u5904\u7406DWG\u6587\u4ef6\u7684C\u8bed\u8a00\u5e93\u3002\n\nGNU LibreDWG 0.12.4.4313\u52300.12.4.4367\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728dwg free BLOCK private\u4e2d\u6709\u4e00\u4e2a\u8d8a\u57df\u5199(\u4ecedwg free BLOCK\u548cdwg free object\u4e2d\u8c03\u7528)\u3002 \u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34766",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-52262",
  "openTime": "2022-07-19",
  "products": {
    "product": "Gnu GNU LibreDWG \u003e=0.12.4.4313\uff0c\u003c=0.12.4.4367"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-45950",
  "serverity": "\u4e2d",
  "submitTime": "2022-01-06",
  "title": "GNU LibreDWG\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2022-52262\uff09"
}

CVE-2021-45950 (GCVE-0-2021-45950)

Vulnerability from cvelistv5 – Published: 2021-12-31 23:54 – Updated: 2024-08-04 04:54

Summary

LibreDWG 0.12.4.4313 through 0.12.4.4367 has an out-of-bounds write in dwg_free_BLOCK_private (called from dwg_free_BLOCK and dwg_free_object).

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/google/oss-fuzz-vulns/blob/mai…	x_refsource_MISC
https://bugs.chromium.org/p/oss-fuzz/issues/detai…	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.

Action not permitted

CNVD-2022-52262

CVE-2021-45950 (GCVE-0-2021-45950)

Tags

Sightings

Nomenclature

Related by attack behaviour