GSD-2021-27417

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
eCosCentric eCosPro RTOS Versions 2.0.1 through 4.5.3 are vulnerable to integer wraparound in function calloc (an implementation of malloc). The unverified memory assignment can lead to arbitrary memory allocation, resulting in a heap-based buffer overflow.
Aliases
Aliases
CVE-2021-27417
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{
  "GSD": {
    "alias": "CVE-2021-27417",
    "description": "eCosCentric eCosPro RTOS Versions 2.0.1 through 4.5.3 are vulnerable to integer wraparound in function calloc (an implementation of malloc). The unverified memory assignment can lead to arbitrary memory allocation, resulting in a heap-based buffer overflow.",
    "id": "GSD-2021-27417"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-27417"
      ],
      "details": "eCosCentric eCosPro RTOS Versions 2.0.1 through 4.5.3 are vulnerable to integer wraparound in function calloc (an implementation of malloc). The unverified memory assignment can lead to arbitrary memory allocation, resulting in a heap-based buffer overflow.",
      "id": "GSD-2021-27417",
      "modified": "2023-12-13T01:23:35.632916Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2021-27417",
        "STATE": "PUBLIC",
        "TITLE": "eCosCentric eCosPro RTOS Integer Overflow or Wraparound"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "eCosPro RTOS",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c=",
                          "version_name": " 2.0.1",
                          "version_value": "4.5.3"
                        }
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              },
              "vendor_name": "eCosCentric"
            }
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        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "David Atch, Omri Ben Bassat, and Tamir Ariel from Microsoft Section 52, and the Azure Defender for IoT research group reported these vulnerabilities to CISA."
        }
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            "value": "eCosCentric eCosPro RTOS Versions 2.0.1 through 4.5.3 are vulnerable to integer wraparound in function calloc (an implementation of malloc). The unverified memory assignment can lead to arbitrary memory allocation, resulting in a heap-based buffer overflow."
          }
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      "impact": {
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          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 4.6,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:H",
          "version": "3.1"
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                "value": "CWE-190 Integer Overflow or Wraparound"
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      "references": {
        "reference_data": [
          {
            "name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04",
            "refsource": "CONFIRM",
            "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04"
          },
          {
            "name": "https://bugzilla.ecoscentric.com/show_bug.cgi?id=1002437",
            "refsource": "CONFIRM",
            "url": "https://bugzilla.ecoscentric.com/show_bug.cgi?id=1002437"
          }
        ]
      },
      "solution": [
        {
          "lang": "eng",
          "value": "Update eCosCentric eCosPro RTOS to version 4.5.4 or newer \u2013 Update available"
        }
      ],
      "source": {
        "defect": [
          "\u201cBadAlloc\u201d"
        ],
        "discovery": "EXTERNAL"
      }
    },
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            }
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            "accessVector": "NETWORK",
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      },
      "lastModifiedDate": "2022-05-12T15:38Z",
      "publishedDate": "2022-05-03T21:15Z"
    }
  }
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.