GSD-2020-8939

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
An out of bounds read on the enc_untrusted_inet_ntop function allows an attack to extend the result size that is used by memcpy() to read memory from within the enclave heap. We recommend upgrading past commit 6ff3b77ffe110a33a2f93848a6333f33616f02c4
Aliases
Aliases
CVE-2020-8939
To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-8939",
    "description": "An out of bounds read on the enc_untrusted_inet_ntop function allows an attack to extend the result size that is used by memcpy() to read memory from within the enclave heap. We recommend upgrading past commit 6ff3b77ffe110a33a2f93848a6333f33616f02c4",
    "id": "GSD-2020-8939"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-8939"
      ],
      "details": "An out of bounds read on the enc_untrusted_inet_ntop function allows an attack to extend the result size that is used by memcpy() to read memory from within the enclave heap. We recommend upgrading past commit 6ff3b77ffe110a33a2f93848a6333f33616f02c4",
      "id": "GSD-2020-8939",
      "modified": "2023-12-13T01:21:53.479500Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@google.com",
        "ID": "CVE-2020-8939",
        "STATE": "PUBLIC",
        "TITLE": "Out of Bounds read in Asylo"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Asylo",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c=",
                          "version_value": "0.6.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Google LLC"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "Qinkun Bao (Baidu Security)"
        },
        {
          "lang": "eng",
          "value": "Zhaofeng Chen (Baidu Security)"
        },
        {
          "lang": "eng",
          "value": "Mingshen Sun (Baidu Security)"
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          "lang": "eng",
          "value": "Kang Li (Baidu Security)"
        }
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          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "impact": {
        "cvss": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-125 Out-of-bounds Read"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/google/asylo/commit/6ff3b77ffe110a33a2f93848a6333f33616f02c4",
            "refsource": "CONFIRM",
            "url": "https://github.com/google/asylo/commit/6ff3b77ffe110a33a2f93848a6333f33616f02c4"
          }
        ]
      },
      "solution": [
        {
          "lang": "eng",
          "value": "We recommend upgrading past commit 6ff3b77ffe110a33a2f93848a6333f33616f02c4"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      }
    },
    "nvd.nist.gov": {
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:a:google:asylo:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "0.6.0",
                "vulnerable": true
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
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                  "lang": "en",
                  "value": "CWE-125"
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/google/asylo/commit/6ff3b77ffe110a33a2f93848a6333f33616f02c4",
              "refsource": "CONFIRM",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/google/asylo/commit/6ff3b77ffe110a33a2f93848a6333f33616f02c4"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 2.1,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2020-12-17T14:04Z",
      "publishedDate": "2020-12-15T15:15Z"
    }
  }
}


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



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