gsd-2020-28895
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
In Wind River VxWorks, memory allocator has a possible overflow in calculating the memory block's size to be allocated by calloc(). As a result, the actual memory allocated is smaller than the buffer size specified by the arguments, leading to memory corruption.
Aliases
Aliases
CVE-2020-28895


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-28895",
    "description": "In Wind River VxWorks, memory allocator has a possible overflow in calculating the memory block\u0027s size to be allocated by calloc(). As a result, the actual memory allocated is smaller than the buffer size specified by the arguments, leading to memory corruption.",
    "id": "GSD-2020-28895"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-28895"
      ],
      "details": "In Wind River VxWorks, memory allocator has a possible overflow in calculating the memory block\u0027s size to be allocated by calloc(). As a result, the actual memory allocated is smaller than the buffer size specified by the arguments, leading to memory corruption.",
      "id": "GSD-2020-28895",
      "modified": "2023-12-13T01:22:01.834660Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2020-28895",
        "STATE": "PUBLIC",
        "TITLE": "integer overflow in calloc"
      },
      "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"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "Reported by Omri Ben Bassat \u003cv-obenbassat@microsoft.com\u003e"
        }
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          }
        ]
      },
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          "attackVector": "NETWORK",
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          "baseScore": 7.3,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
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        "reference_data": [
          {
            "name": "https://support2.windriver.com/index.php?page=defects\u0026on=view\u0026id=V7LIBC-1327",
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          },
          {
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            "url": "https://support2.windriver.com/index.php?page=cve\u0026on=view\u0026id=CVE-2020-28895"
          },
          {
            "name": "https://www.oracle.com/security-alerts/cpuapr2022.html",
            "refsource": "MISC",
            "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
          }
        ]
      },
      "source": {
        "discovery": "EXTERNAL"
      }
    },
    "nvd.nist.gov": {
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        "nodes": [
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            }
          ]
        },
        "problemtype": {
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://support2.windriver.com/index.php?page=cve\u0026on=view\u0026id=CVE-2020-28895",
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            },
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              "tags": [
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              "url": "https://support2.windriver.com/index.php?page=defects\u0026on=view\u0026id=V7LIBC-1327"
            },
            {
              "name": "https://www.oracle.com/security-alerts/cpuapr2022.html",
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              "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
            }
          ]
        }
      },
      "impact": {
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          "cvssV2": {
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            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
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          "obtainAllPrivilege": false,
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          "userInteractionRequired": false
        },
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            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
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          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.4
        }
      },
      "lastModifiedDate": "2022-05-12T14:33Z",
      "publishedDate": "2021-02-03T16:15Z"
    }
  }
}


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