{
  "id": "CVE-2021-46102",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2022-01-27T18:15:07.770",
  "lastModified": "2024-11-21T06:33:38.323",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "From version 0.2.14 to 0.2.16 for Solana rBPF, function \"relocate\" in the file src/elf.rs has an integer overflow bug because the sym.st_value is read directly from ELF file without checking. If the sym.st_value is rather large, an integer overflow is triggered while calculating the variable \"addr\" via \"addr = (sym.st_value + refd_pa) as u64\";"
    },
    {
      "lang": "es",
      "value": "De la versi\u00f3n 0.2.14 a 0.2.16 para Solana rBPF, la funci\u00f3n \"relocate\" en el archivo src/elf.rs presenta un bug de desbordamiento de enteros porque el sym.st_value es le\u00eddo directamente del archivo ELF sin comprobarlo. Si el sym.st_value es bastante grande, es producido un desbordamiento de enteros mientras es calculada la variable \"addr\" por medio de \"addr = (sym.st_value + refd_pa) as u64\""
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "baseScore": 5.0,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:solanalabs:rbpf:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "0.2.14",
              "versionEndIncluding": "0.2.16",
              "matchCriteriaId": "91E274CF-612E-48D1-BE5F-3337EA6C15EF"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://blocksecteam.medium.com/new-integer-overflow-bug-discovered-in-solana-rbpf-7729717159ee",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/solana-labs/rbpf/blob/c14764850f0b83b58aa013248eaf6d65836c1218/src/elf.rs#L609-L630",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/solana-labs/rbpf/pull/200",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/solana-labs/rbpf/pull/236",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://blocksecteam.medium.com/new-integer-overflow-bug-discovered-in-solana-rbpf-7729717159ee",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
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      ]
    },
    {
      "url": "https://github.com/solana-labs/rbpf/blob/c14764850f0b83b58aa013248eaf6d65836c1218/src/elf.rs#L609-L630",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/solana-labs/rbpf/pull/236",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    }
  ]
}