Vulnerability-Lookup

CNVD-2021-38080

Vulnerability from cnvd - Published: 2021-05-31

Title

GNU LibreDWG堆缓冲区溢出漏洞

Description

GNU LibreDWG是GNU社区的一个用于处理DWG文件的C语言库。 LibreDWG 0.10.1 存在安全漏洞，该漏洞源于libredwg-0.10.1/src/decode_r2007.c：666：5堆的缓冲区溢出漏洞。攻击者可利用该漏洞导致拒绝服务。

Severity

中

Patch Name

GNU LibreDWG堆缓冲区溢出漏洞的补丁

Patch Description

GNU LibreDWG是GNU社区的一个用于处理DWG文件的C语言库。 LibreDWG 0.10.1 存在安全漏洞，该漏洞源于libredwg-0.10.1/src/decode_r2007.c：666：5堆的缓冲区溢出漏洞。攻击者可利用该漏洞导致拒绝服务。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/LibreDWG/libredwg

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-23861

Impacted products

Name
GNU LibreDWG 0.10.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-23861",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-23861"
    }
  },
  "description": "GNU LibreDWG\u662fGNU\u793e\u533a\u7684\u4e00\u4e2a\u7528\u4e8e\u5904\u7406DWG\u6587\u4ef6\u7684C\u8bed\u8a00\u5e93\u3002\n\nLibreDWG 0.10.1 \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8elibredwg-0.10.1/src/decode_r2007.c\uff1a666\uff1a5\u5806\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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://github.com/LibreDWG/libredwg",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-38080",
  "openTime": "2021-05-31",
  "patchDescription": "GNU LibreDWG\u662fGNU\u793e\u533a\u7684\u4e00\u4e2a\u7528\u4e8e\u5904\u7406DWG\u6587\u4ef6\u7684C\u8bed\u8a00\u5e93\u3002\r\n\r\nLibreDWG 0.10.1 \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8elibredwg-0.10.1/src/decode_r2007.c\uff1a666\uff1a5\u5806\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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": "GNU LibreDWG\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "GNU LibreDWG 0.10.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-23861",
  "serverity": "\u4e2d",
  "submitTime": "2021-05-19",
  "title": "GNU LibreDWG\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2020-23861 (GCVE-0-2020-23861)

Vulnerability from cvelistv5 – Published: 2021-05-18 15:02 – Updated: 2024-08-04 15:05

Summary

A heap-based buffer overflow vulnerability exists in LibreDWG 0.10.1 via the read_system_page function at libredwg-0.10.1/src/decode_r2007.c:666:5, which causes a denial of service by submitting a dwg file.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/LibreDWG/libredwg/issues/248	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T15:05:11.346Z",
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          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://github.com/LibreDWG/libredwg/issues/248"
          }
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        "title": "CVE Program Container"
      }
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        }
      ],
      "problemTypes": [
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          "descriptions": [
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        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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      },
      "references": [
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            "x_refsource_MISC"
          ],
          "url": "https://github.com/LibreDWG/libredwg/issues/248"
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      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
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          "ID": "CVE-2020-23861",
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                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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    "dateReserved": "2020-08-13T00:00:00.000Z",
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    "state": "PUBLISHED"
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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.

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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-2021-38080

CVE-2020-23861 (GCVE-0-2020-23861)

Tags

Sightings

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