cnvd - cnvd-2021-93633

CNVD-2021-93633

Vulnerability from cnvd - Published: 2021-12-02

Title

WECON PLC Editor栈缓冲区溢出漏洞（CNVD-2021-93633）

Description

WECON PLC Editor是一款PLC编程软件。 WECON PLC Editor 1.3.8及更早版本存在栈缓冲区溢出漏洞。攻击者可利用该漏洞执行任意代码。

Severity

中

Patch Name

WECON PLC Editor栈缓冲区溢出漏洞（CNVD-2021-93633）的补丁

Patch Description

WECON PLC Editor是一款PLC编程软件。 WECON PLC Editor 1.3.8及更早版本存在栈缓冲区溢出漏洞。攻击者可利用该漏洞执行任意代码。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://us-cert.cisa.gov/ics/advisories/icsa-21-315-01

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-42705

Impacted products

Name
Wecon Technologies PLC Editor <=1.3.8

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-42705",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-42705"
    }
  },
  "description": "WECON PLC Editor\u662f\u4e00\u6b3ePLC\u7f16\u7a0b\u8f6f\u4ef6\u3002\n\nWECON PLC Editor 1.3.8\u53ca\u66f4\u65e9\u7248\u672c\u5b58\u5728\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u4ee3\u7801\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://us-cert.cisa.gov/ics/advisories/icsa-21-315-01",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-93633",
  "openTime": "2021-12-02",
  "patchDescription": "WECON PLC Editor\u662f\u4e00\u6b3ePLC\u7f16\u7a0b\u8f6f\u4ef6\u3002\r\n\r\nWECON PLC Editor 1.3.8\u53ca\u66f4\u65e9\u7248\u672c\u5b58\u5728\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u4ee3\u7801\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": "WECON PLC Editor\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-93633\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Wecon Technologies PLC Editor \u003c=1.3.8"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-42705",
  "serverity": "\u4e2d",
  "submitTime": "2021-11-12",
  "title": "WECON PLC Editor\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-93633\uff09"
}

CVE-2021-42705 (GCVE-0-2021-42705)

Vulnerability from cvelistv5 – Published: 2021-11-22 19:06 – Updated: 2024-09-16 20:01

Title

WECON PLC Editor

Summary

PLC Editor Versions 1.3.8 and prior is vulnerable to a stack-based buffer overflow while processing project files, which may allow an attacker to execute arbitrary code.

Severity ?

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

icscert

References

URL

Tags

https://us-cert.cisa.gov/ics/advisories/icsa-21-315-01

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	WECON	PLC Editor	Affected: All , ≤ 1.3.8 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T03:38:49.605Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-315-01"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "PLC Editor",
          "vendor": "WECON",
          "versions": [
            {
              "lessThanOrEqual": "1.3.8",
              "status": "affected",
              "version": "All",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2021-11-11T00:00:00",
      "descriptions": [
        {
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          "value": "PLC Editor Versions 1.3.8 and prior is vulnerable to a stack-based buffer overflow while processing project files, which may allow an attacker to execute arbitrary code."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-121",
              "description": "CWE-121 Stack-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-11-22T19:06:36",
        "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "shortName": "icscert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-315-01"
        }
      ],
      "source": {
        "advisory": "ICSA-21-315-01",
        "discovery": "UNKNOWN"
      },
      "title": "WECON PLC Editor",
      "workarounds": [
        {
          "lang": "en",
          "value": "WECON has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of these affected products are invited to contact WECON technical support for additional information."
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "ics-cert@hq.dhs.gov",
          "DATE_PUBLIC": "2021-11-11T22:37:00.000Z",
          "ID": "CVE-2021-42705",
          "STATE": "PUBLIC",
          "TITLE": "WECON PLC Editor"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "PLC Editor",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_name": "All",
                            "version_value": "1.3.8"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "WECON"
              }
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          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            "privilegesRequired": "NONE",
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        "problemtype": {
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    "dateReserved": "2021-10-18T00:00:00",
    "dateUpdated": "2024-09-16T20:01:34.731Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2021-93633

CVE-2021-42705 (GCVE-0-2021-42705)

Tags

Sightings

Nomenclature