Vulnerability-Lookup

CNVD-2021-44698

Vulnerability from cnvd - Published: 2021-06-24

Title

struct2json缓冲区溢出漏洞

Description

struct2json是一个开源的C结构体与JSON快速互转库，可以快速实现结构体对象与JSON对象之间序列化及反序列化要求。 struct2json 2020-11-18之前版本存在缓冲区溢出漏洞。目前没有详细的漏洞细节提供。

Severity

高

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/armink/struct2json

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-29203

Impacted products

Name
struct2json struct2json <2020-11-18

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-29203",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-29203"
    }
  },
  "description": "struct2json\u662f\u4e00\u4e2a\u5f00\u6e90\u7684C\u7ed3\u6784\u4f53\u4e0eJSON\u5feb\u901f\u4e92\u8f6c\u5e93\uff0c\u53ef\u4ee5\u5feb\u901f\u5b9e\u73b0\u7ed3\u6784\u4f53\u5bf9\u8c61\u4e0eJSON\u5bf9\u8c61\u4e4b\u95f4\u5e8f\u5217\u5316\u53ca\u53cd\u5e8f\u5217\u5316\u8981\u6c42\u3002\n\nstruct2json 2020-11-18\u4e4b\u524d\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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/armink/struct2json",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-44698",
  "openTime": "2021-06-24",
  "products": {
    "product": "struct2json struct2json \u003c2020-11-18"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-29203",
  "serverity": "\u9ad8",
  "submitTime": "2020-12-28",
  "title": "struct2json\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2020-29203 (GCVE-0-2020-29203)

Vulnerability from cvelistv5 – Published: 2020-12-26 19:09 – Updated: 2024-08-04 16:48

Summary

struct2json before 2020-11-18 is affected by a Buffer Overflow because strcpy is used for S2J_STRUCT_GET_string_ELEMENT.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/armink/struct2json/issues/13	x_refsource_MISC

Show details on NVD website

JSON

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          "dateUpdated": "2024-08-04T16:48:01.634Z",
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          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/armink/struct2json/issues/13"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
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          "tags": [
            "x_refsource_MISC"
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        }
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                            "version_value": "n/a"
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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    "datePublished": "2020-12-26T19:09:54.000Z",
    "dateReserved": "2020-11-27T00:00:00.000Z",
    "dateUpdated": "2024-08-04T16:48:01.634Z",
    "state": "PUBLISHED"
  },
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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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.
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CNVD-2021-44698

CVE-2020-29203 (GCVE-0-2020-29203)

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