Vulnerability-Lookup

CNVD-2021-91644

Vulnerability from cnvd - Published: 2021-11-26

Title

fcovatti libiec_iccp_mod缓冲区溢出漏洞

Description

Libiec_Iccp_Mod是用于修改 Libiec6850 Mms 以使用 Iccp 客户端。 fcovatti libiec_iccp_mod v1.5版本存在缓冲区错误漏洞，该漏洞源于软件在处理空间时缺少对于空间大小的限制。攻击者可利用该漏洞在试图调用意外大的空间时导致软件服务失败。

Severity

中

Patch Name

fcovatti libiec_iccp_mod缓冲区溢出漏洞的补丁

Patch Description

Libiec_Iccp_Mod是用于修改 Libiec6850 Mms 以使用 Iccp 客户端。 fcovatti libiec_iccp_mod v1.5版本存在缓冲区错误漏洞，该漏洞源于软件在处理空间时缺少对于空间大小的限制。攻击者可利用该漏洞在试图调用意外大的空间时导致软件服务失败。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

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://github.com/fcovatti/libiec_iccp_mod

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-20658

Impacted products

Name
Libiec_Iccp_Mod fcovatti libiec_iccp_mod 1.5

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-20658"
    }
  },
  "description": "Libiec_Iccp_Mod\u662f\u7528\u4e8e\u4fee\u6539 Libiec6850 Mms \u4ee5\u4f7f\u7528 Iccp \u5ba2\u6237\u7aef\u3002\n\nfcovatti libiec_iccp_mod v1.5\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8f6f\u4ef6\u5728\u5904\u7406\u7a7a\u95f4\u65f6\u7f3a\u5c11\u5bf9\u4e8e\u7a7a\u95f4\u5927\u5c0f\u7684\u9650\u5236\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u8bd5\u56fe\u8c03\u7528\u610f\u5916\u5927\u7684\u7a7a\u95f4\u65f6\u5bfc\u81f4\u8f6f\u4ef6\u670d\u52a1\u5931\u8d25\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://github.com/fcovatti/libiec_iccp_mod",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-91644",
  "openTime": "2021-11-26",
  "patchDescription": "Libiec_Iccp_Mod\u662f\u7528\u4e8e\u4fee\u6539 Libiec6850 Mms \u4ee5\u4f7f\u7528 Iccp \u5ba2\u6237\u7aef\u3002\r\n\r\nfcovatti libiec_iccp_mod v1.5\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8f6f\u4ef6\u5728\u5904\u7406\u7a7a\u95f4\u65f6\u7f3a\u5c11\u5bf9\u4e8e\u7a7a\u95f4\u5927\u5c0f\u7684\u9650\u5236\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u8bd5\u56fe\u8c03\u7528\u610f\u5916\u5927\u7684\u7a7a\u95f4\u65f6\u5bfc\u81f4\u8f6f\u4ef6\u670d\u52a1\u5931\u8d25\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": "fcovatti libiec_iccp_mod\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Libiec_Iccp_Mod fcovatti libiec_iccp_mod 1.5"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-20658",
  "serverity": "\u4e2d",
  "submitTime": "2021-11-03",
  "title": "fcovatti libiec_iccp_mod\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2020-20658 (GCVE-0-2020-20658)

Vulnerability from cvelistv5 – Published: 2021-11-02 17:45 – Updated: 2024-08-04 14:22

Summary

Buffer overflow vulnerability in fcovatti libiec_iccp_mod v1.5, allows attackers to cause a denail of service when trying to calloc an unexpectiedly large space.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/fcovatti/libiec_iccp_mod/issues/2	x_refsource_MISC

Show details on NVD website

JSON

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        "providerMetadata": {
          "dateUpdated": "2024-08-04T14:22:25.427Z",
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        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/fcovatti/libiec_iccp_mod/issues/2"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
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          "lang": "en",
          "value": "Buffer overflow vulnerability in fcovatti libiec_iccp_mod v1.5, allows attackers to cause a denail of service when trying to calloc an unexpectiedly large space."
        }
      ],
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            {
              "description": "n/a",
              "lang": "en",
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            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-11-02T17:45:02.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/fcovatti/libiec_iccp_mod/issues/2"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-20658",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
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                "vendor_name": "n/a"
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        },
        "references": {
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            {
              "name": "https://github.com/fcovatti/libiec_iccp_mod/issues/2",
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            }
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
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    "datePublished": "2021-11-02T17:45:02.000Z",
    "dateReserved": "2020-08-13T00:00:00.000Z",
    "dateUpdated": "2024-08-04T14:22:25.427Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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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.

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.