Vulnerability-Lookup

CNVD-2021-12088

Vulnerability from cnvd - Published: 2021-02-23

Title

Cesanta Mongoose越界写入漏洞

Description

Mongoose是一款C/C++网络库。 Cesanta Mongoose 7.0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越界写入漏洞的补丁

Patch Description

Mongoose是一款C/C++网络库。 Cesanta Mongoose 7.0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-2021-26530

Impacted products

Name
Cesanta Mongoose 7.0

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-26530",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-26530"
    }
  },
  "description": "Mongoose\u662f\u4e00\u6b3eC/C++\u7f51\u7edc\u5e93\u3002\n\nCesanta Mongoose 7.0\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-2021-12088",
  "openTime": "2021-02-23",
  "patchDescription": "Mongoose\u662f\u4e00\u6b3eC/C++\u7f51\u7edc\u5e93\u3002\r\n\r\nCesanta Mongoose 7.0\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\u7684\u8865\u4e01",
  "products": {
    "product": "Cesanta Mongoose 7.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-26530",
  "serverity": "\u4e2d",
  "submitTime": "2021-02-09",
  "title": "Cesanta Mongoose\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e"
}

CVE-2021-26530 (GCVE-0-2021-26530)

Vulnerability from cvelistv5 – Published: 2021-02-08 20:13 – Updated: 2024-08-03 20:26

Summary

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

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 29/100 over 2230 records in the last 180 days details

References

1 reference

URL	Tags
https://github.com/cesanta/mongoose/issues/1204	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-03T20:26:25.462Z",
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          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/cesanta/mongoose/issues/1204"
          }
        ],
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      }
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    "cna": {
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      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/cesanta/mongoose/issues/1204"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-26530",
          "STATE": "PUBLIC"
        },
        "affects": {
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            "vendor_data": [
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            }
          ]
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  "cveMetadata": {
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    "assignerShortName": "mitre",
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    "dateReserved": "2021-02-01T00:00:00.000Z",
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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.

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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.

Related by attack behaviour

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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