Vulnerability-Lookup

CNVD-2022-31842

Vulnerability from cnvd - Published: 2022-04-23

Title

zlog缓冲区溢出漏洞

Description

zlog是中国Hardy Simpson个人开发者的一个可靠、高性能、线程安全、灵活、模型清晰的纯C日志库。 zlog1.2.15版本存在缓冲区溢出漏洞，该漏洞源于src/zlog/src/conf.c中的zlog_conf_build_with_file存在缓冲区溢出。目前没有详细的漏洞细节提供。

Severity

中

Patch Name

zlog缓冲区溢出漏洞的补丁

Patch Description

zlog是中国Hardy Simpson个人开发者的一个可靠、高性能、线程安全、灵活、模型清晰的纯C日志库。 zlog1.2.15版本存在缓冲区溢出漏洞，该漏洞源于src/zlog/src/conf.c中的zlog_conf_build_with_file存在缓冲区溢出。目前没有详细的漏洞细节提供。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/HardySimpson/zlog

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-43521

Impacted products

Name
zlog zlog 1.2.15

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-43521",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-43521"
    }
  },
  "description": "zlog\u662f\u4e2d\u56fdHardy Simpson\u4e2a\u4eba\u5f00\u53d1\u8005\u7684\u4e00\u4e2a\u53ef\u9760\u3001\u9ad8\u6027\u80fd\u3001\u7ebf\u7a0b\u5b89\u5168\u3001\u7075\u6d3b\u3001\u6a21\u578b\u6e05\u6670\u7684\u7eafC\u65e5\u5fd7\u5e93\u3002\n\nzlog1.2.15\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8esrc/zlog/src/conf.c\u4e2d\u7684zlog_conf_build_with_file\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a \r\nhttps://github.com/HardySimpson/zlog",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-31842",
  "openTime": "2022-04-23",
  "patchDescription": "zlog\u662f\u4e2d\u56fdHardy Simpson\u4e2a\u4eba\u5f00\u53d1\u8005\u7684\u4e00\u4e2a\u53ef\u9760\u3001\u9ad8\u6027\u80fd\u3001\u7ebf\u7a0b\u5b89\u5168\u3001\u7075\u6d3b\u3001\u6a21\u578b\u6e05\u6670\u7684\u7eafC\u65e5\u5fd7\u5e93\u3002\r\n\r\nzlog1.2.15\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8esrc/zlog/src/conf.c\u4e2d\u7684zlog_conf_build_with_file\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "zlog\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "zlog zlog 1.2.15"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-43521",
  "serverity": "\u4e2d",
  "submitTime": "2022-04-21",
  "title": "zlog\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2021-43521 (GCVE-0-2021-43521)

Vulnerability from cvelistv5 – Published: 2022-04-08 15:56 – Updated: 2024-08-04 03:55

Summary

A Buffer Overflow vulnerability exists in zlog 1.2.15 via zlog_conf_build_with_file in src/zlog/src/conf.c.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/HardySimpson/zlog	x_refsource_MISC
https://github.com/HardySimpson/zlog/issues/206	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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            "tags": [
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              "x_transferred"
            ],
            "url": "https://github.com/HardySimpson/zlog"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/HardySimpson/zlog/issues/206"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A Buffer Overflow vulnerability exists in zlog 1.2.15 via zlog_conf_build_with_file in src/zlog/src/conf.c."
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        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/HardySimpson/zlog"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/HardySimpson/zlog/issues/206"
        }
      ],
      "x_legacyV4Record": {
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          "ID": "CVE-2021-43521",
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        },
        "affects": {
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              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
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                      }
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                "vendor_name": "n/a"
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  "cveMetadata": {
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    "datePublished": "2022-04-08T15:56:29.000Z",
    "dateReserved": "2021-11-08T00:00:00.000Z",
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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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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.

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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-2022-31842

CVE-2021-43521 (GCVE-0-2021-43521)

Tags

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