GSD-2021-28099

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
In Netflix OSS Hollow, since the Files.exists(parent) is run before creating the directories, an attacker can pre-create these directories with wide permissions. Additionally, since an insecure source of randomness is used, the file names to be created can be deterministically calculated.
Aliases
Aliases
CVE-2021-28099
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{
  "GSD": {
    "alias": "CVE-2021-28099",
    "description": "In Netflix OSS Hollow, since the Files.exists(parent) is run before creating the directories, an attacker can pre-create these directories with wide permissions. Additionally, since an insecure source of randomness is used, the file names to be created can be deterministically calculated.",
    "id": "GSD-2021-28099"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-28099"
      ],
      "details": "In Netflix OSS Hollow, since the Files.exists(parent) is run before creating the directories, an attacker can pre-create these directories with wide permissions. Additionally, since an insecure source of randomness is used, the file names to be created can be deterministically calculated.",
      "id": "GSD-2021-28099",
      "modified": "2023-12-13T01:23:29.600196Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2021-28099",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Netflix OSS Hollow",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "All versions"
                        }
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          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
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            "description": [
              {
                "lang": "eng",
                "value": "Local Information Disclosure"
              }
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        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/Netflix/security-bulletins/blob/master/advisories/nflx-2021-001.md",
            "refsource": "MISC",
            "url": "https://github.com/Netflix/security-bulletins/blob/master/advisories/nflx-2021-001.md"
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    },
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      "advisories": [
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          "affected_range": "(,)",
          "affected_versions": "All versions",
          "cvss_v2": "AV:L/AC:L/Au:N/C:P/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-330",
            "CWE-937"
          ],
          "date": "2023-08-08",
          "description": "An attacker can pre-create directories with wide permissions.",
          "fixed_versions": [],
          "identifier": "CVE-2021-28099",
          "identifiers": [
            "CVE-2021-28099"
          ],
          "not_impacted": "",
          "package_slug": "maven/com.netflix.hollow/hollow",
          "pubdate": "2021-03-23",
          "solution": "Unfortunately, there is no solution available yet.",
          "title": "Incorrect Permission Assignment for Critical Resource",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-28099"
          ],
          "uuid": "69365fe3-2d3f-4d89-9cb5-29d07ca8498d"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
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            "children": [],
            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:a:netflix:hollow:-:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
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        "description": {
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              "value": "In Netflix OSS Hollow, since the Files.exists(parent) is run before creating the directories, an attacker can pre-create these directories with wide permissions. Additionally, since an insecure source of randomness is used, the file names to be created can be deterministically calculated."
            }
          ]
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              "name": "https://github.com/Netflix/security-bulletins/blob/master/advisories/nflx-2021-001.md",
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                "Third Party Advisory"
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              "url": "https://github.com/Netflix/security-bulletins/blob/master/advisories/nflx-2021-001.md"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 3.6,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": false
        },
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            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 4.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
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          "exploitabilityScore": 1.8,
          "impactScore": 2.5
        }
      },
      "lastModifiedDate": "2021-03-26T20:16Z",
      "publishedDate": "2021-03-23T21:15Z"
    }
  }
}



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