Vulnerability-Lookup

CNVD-2022-08150

Vulnerability from cnvd - Published: 2022-02-01

Title

LibreCAD拒绝漏洞

Description

LibreCAD是LibreCAD组织的一款开源的CAD（计算机辅助设计）应用程序。 LibreCAD 2.2.0版本中存在拒绝服务漏洞，该漏洞源于libdxfrw的HATCH处理中的空指针取消引用，攻击者可利用该漏洞使用精心制作的DXF文档使应用程序崩溃。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://github.com/LibreCAD/LibreCAD/issues/1468

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-45343

Impacted products

Name
LibreCAD LibreCAD 2.2.0

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-45343",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-45343"
    }
  },
  "description": "LibreCAD\u662fLibreCAD\u7ec4\u7ec7\u7684\u4e00\u6b3e\u5f00\u6e90\u7684CAD\uff08\u8ba1\u7b97\u673a\u8f85\u52a9\u8bbe\u8ba1\uff09\u5e94\u7528\u7a0b\u5e8f\u3002\n\nLibreCAD 2.2.0\u7248\u672c\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8elibdxfrw\u7684HATCH\u5904\u7406\u4e2d\u7684\u7a7a\u6307\u9488\u53d6\u6d88\u5f15\u7528\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7528\u7cbe\u5fc3\u5236\u4f5c\u7684DXF\u6587\u6863\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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://github.com/LibreCAD/LibreCAD/issues/1468",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-08150",
  "openTime": "2022-02-01",
  "products": {
    "product": "LibreCAD LibreCAD 2.2.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-45343",
  "serverity": "\u4e2d",
  "submitTime": "2022-01-27",
  "title": "LibreCAD\u62d2\u7edd\u6f0f\u6d1e"
}

CVE-2021-45343 (GCVE-0-2021-45343)

Vulnerability from cvelistv5 – Published: 2022-01-25 00:00 – Updated: 2024-08-04 04:39

Summary

In LibreCAD 2.2.0, a NULL pointer dereference in the HATCH handling of libdxfrw allows an attacker to crash the application using a crafted DXF document.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
https://github.com/LibreCAD/LibreCAD/issues/1468
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://www.debian.org/security/2022/dsa-5077	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://security.gentoo.org/glsa/202305-26	vendor-advisory

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T04:39:20.565Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/LibreCAD/LibreCAD/issues/1468"
          },
          {
            "name": "FEDORA-2022-08d7ee21f7",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUMH3CWGVSMR2UIZEA35Q5UB7PDVVVYS/"
          },
          {
            "name": "DSA-5077",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2022/dsa-5077"
          },
          {
            "name": "FEDORA-2022-3dd3274ae2",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCC2FZ6HZOIK3775K4MTCOUHX6PLGPEL/"
          },
          {
            "name": "GLSA-202305-26",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202305-26"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In LibreCAD 2.2.0, a NULL pointer dereference in the HATCH handling of libdxfrw allows an attacker to crash the application using a crafted DXF document."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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      "providerMetadata": {
        "dateUpdated": "2023-05-21T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
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          "url": "https://github.com/LibreCAD/LibreCAD/issues/1468"
        },
        {
          "name": "FEDORA-2022-08d7ee21f7",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUMH3CWGVSMR2UIZEA35Q5UB7PDVVVYS/"
        },
        {
          "name": "DSA-5077",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.debian.org/security/2022/dsa-5077"
        },
        {
          "name": "FEDORA-2022-3dd3274ae2",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCC2FZ6HZOIK3775K4MTCOUHX6PLGPEL/"
        },
        {
          "name": "GLSA-202305-26",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202305-26"
        }
      ]
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-45343",
    "datePublished": "2022-01-25T00:00:00.000Z",
    "dateReserved": "2021-12-20T00:00:00.000Z",
    "dateUpdated": "2024-08-04T04:39:20.565Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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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-2022-08150

CVE-2021-45343 (GCVE-0-2021-45343)

Tags

Sightings

Nomenclature

Related by attack behaviour