cnvd - cnvd-2021-12086

cnvd-2021-12086

Vulnerability from cnvd

Title: Cesanta Mongoose越界写入漏洞（CNVD-2021-12086）

Description:

Mongoose是一款C/C++网络库。

Cesanta Mongoose 7.0、6.7-6.18中的mg_tls_init函数存在越界写入漏洞。攻击者可通过连接请求利用该漏洞在内存池耗尽后导致越界写入。

Severity: 中

Patch Name: Cesanta Mongoose越界写入漏洞（CNVD-2021-12086）的补丁

Patch Description:

Mongoose是一款C/C++网络库。

Cesanta Mongoose 7.0、6.7-6.18中的mg_tls_init函数存在越界写入漏洞。攻击者可通过连接请求利用该漏洞在内存池耗尽后导致越界写入。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，详情请关注厂商主页： https://github.com/cesanta/mongoose

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-26529

Impacted products

Name
['Cesanta Mongoose 7.0', 'Cesanta Mongoose >=6.7，<=6.18']

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-26529",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-26529"
    }
  },
  "description": "Mongoose\u662f\u4e00\u6b3eC/C++\u7f51\u7edc\u5e93\u3002\n\nCesanta Mongoose 7.0\u30016.7-6.18\u4e2d\u7684mg_tls_init\u51fd\u6570\u5b58\u5728\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8fde\u63a5\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u5185\u5b58\u6c60\u8017\u5c3d\u540e\u5bfc\u81f4\u8d8a\u754c\u5199\u5165\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://github.com/cesanta/mongoose",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-12086",
  "openTime": "2021-02-23",
  "patchDescription": "Mongoose\u662f\u4e00\u6b3eC/C++\u7f51\u7edc\u5e93\u3002\r\n\r\nCesanta Mongoose 7.0\u30016.7-6.18\u4e2d\u7684mg_tls_init\u51fd\u6570\u5b58\u5728\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8fde\u63a5\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u5185\u5b58\u6c60\u8017\u5c3d\u540e\u5bfc\u81f4\u8d8a\u754c\u5199\u5165\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": "Cesanta Mongoose\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e\uff08CNVD-2021-12086\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Cesanta Mongoose 7.0",
      "Cesanta Mongoose \u003e=6.7\uff0c\u003c=6.18"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-26529",
  "serverity": "\u4e2d",
  "submitTime": "2021-02-09",
  "title": "Cesanta Mongoose\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e\uff08CNVD-2021-12086\uff09"
}

CVE-2021-26529 (GCVE-0-2021-26529)

Vulnerability from cvelistv5

Published

2021-02-08 20:13

Modified

2024-08-03 20:26

Severity ?

CWE

Summary

The mg_tls_init function in Cesanta Mongoose HTTPS server 7.0 and 6.7-6.18 (compiled with mbedTLS support) is vulnerable to remote OOB write attack via connection request after exhausting memory pool.

References

▼	URL	Tags
	https://github.com/cesanta/mongoose/issues/1203	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:26:25.389Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/cesanta/mongoose/issues/1203"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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      ],
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              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
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      "providerMetadata": {
        "dateUpdated": "2021-02-08T20:13:36",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/cesanta/mongoose/issues/1203"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-26529",
          "STATE": "PUBLIC"
        },
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          "vendor": {
            "vendor_data": [
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                "product": {
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                          }
                        ]
                      }
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                "vendor_name": "n/a"
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
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  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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