GSD-2018-6337

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
folly::secureRandom will re-use a buffer between parent and child processes when fork() is called. That will result in multiple forked children producing repeat (or similar) results. This affects HHVM 3.26 prior to 3.26.3 and the folly library between v2017.12.11.00 and v2018.08.09.00.
Aliases
Aliases
CVE-2018-6337
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{
  "GSD": {
    "alias": "CVE-2018-6337",
    "description": "folly::secureRandom will re-use a buffer between parent and child processes when fork() is called. That will result in multiple forked children producing repeat (or similar) results. This affects HHVM 3.26 prior to 3.26.3 and the folly library between v2017.12.11.00 and v2018.08.09.00.",
    "id": "GSD-2018-6337"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-6337"
      ],
      "details": "folly::secureRandom will re-use a buffer between parent and child processes when fork() is called. That will result in multiple forked children producing repeat (or similar) results. This affects HHVM 3.26 prior to 3.26.3 and the folly library between v2017.12.11.00 and v2018.08.09.00.",
      "id": "GSD-2018-6337",
      "modified": "2023-12-13T01:22:35.218501Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve-assign@fb.com",
        "DATE_ASSIGNED": "2018-05-24",
        "ID": "CVE-2018-6337",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "HHVM",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "!=\u003e",
                          "version_value": "3.26.3"
                        },
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                          "version_affected": "\u003e=",
                          "version_value": "3.26.0"
                        },
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                          "version_affected": "!\u003c",
                          "version_value": "3.26.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Facebook"
            },
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "folly",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "!=\u003e",
                          "version_value": "v2018.08.09.00"
                        },
                        {
                          "version_affected": "\u003e=",
                          "version_value": "v2017.12.11.00"
                        },
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                          "version_affected": "!\u003c",
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            "value": "folly::secureRandom will re-use a buffer between parent and child processes when fork() is called. That will result in multiple forked children producing repeat (or similar) results. This affects HHVM 3.26 prior to 3.26.3 and the folly library between v2017.12.11.00 and v2018.08.09.00."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Improper Cross-boundary Removal of Sensitive Data (CWE-212)"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://hhvm.com/blog/2018/05/24/hhvm-3.26.3.html",
            "refsource": "MISC",
            "url": "https://hhvm.com/blog/2018/05/24/hhvm-3.26.3.html"
          },
          {
            "name": "https://github.com/facebook/folly/commit/8e927ee48b114c8a2f90d0cbd5ac753795a6761f",
            "refsource": "MISC",
            "url": "https://github.com/facebook/folly/commit/8e927ee48b114c8a2f90d0cbd5ac753795a6761f"
          },
          {
            "name": "https://github.com/facebook/hhvm/commit/e2d10a1e32d01f71aaadd81169bcb9ae86c5d6b8",
            "refsource": "MISC",
            "url": "https://github.com/facebook/hhvm/commit/e2d10a1e32d01f71aaadd81169bcb9ae86c5d6b8"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:facebook:folly:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2018.08.09.00",
                "versionStartIncluding": "2017.12.11.00",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.26.3",
                "versionStartIncluding": "3.26",
                "vulnerable": true
              }
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        "description": {
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              "value": "folly::secureRandom will re-use a buffer between parent and child processes when fork() is called. That will result in multiple forked children producing repeat (or similar) results. This affects HHVM 3.26 prior to 3.26.3 and the folly library between v2017.12.11.00 and v2018.08.09.00."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-119"
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://hhvm.com/blog/2018/05/24/hhvm-3.26.3.html",
              "refsource": "MISC",
              "tags": [
                "Release Notes",
                "Vendor Advisory"
              ],
              "url": "https://hhvm.com/blog/2018/05/24/hhvm-3.26.3.html"
            },
            {
              "name": "https://github.com/facebook/hhvm/commit/e2d10a1e32d01f71aaadd81169bcb9ae86c5d6b8",
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              "url": "https://github.com/facebook/folly/commit/8e927ee48b114c8a2f90d0cbd5ac753795a6761f"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2019-10-09T23:41Z",
      "publishedDate": "2018-12-31T22:29Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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