fkie_cve-2021-45985
Vulnerability from fkie_nvd
Published
2023-04-10 09:15
Modified
2025-04-25 18:54
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read.
References
cve@mitre.orghttp://lua-users.org/lists/lua-l/2021-12/msg00019.htmlExploit, Mailing List, Vendor Advisory
cve@mitre.orghttps://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5Patch
cve@mitre.orghttps://www.lua.org/bugs.html#5.4.3-11Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://lua-users.org/lists/lua-l/2021-12/msg00019.htmlExploit, Mailing List, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5Patch
af854a3a-2127-422b-91ae-364da2661108https://www.lua.org/bugs.html#5.4.3-11Vendor Advisory
Impacted products
Vendor Product Version
lua lua *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6722715C-7599-4D4C-A636-8A9A9F7F4619",
              "versionEndExcluding": "5.4.4",
              "versionStartIncluding": "5.4.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read."
    }
  ],
  "id": "CVE-2021-45985",
  "lastModified": "2025-04-25T18:54:09.817",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2023-04-10T09:15:07.250",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Mailing List",
        "Vendor Advisory"
      ],
      "url": "http://lua-users.org/lists/lua-l/2021-12/msg00019.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.lua.org/bugs.html#5.4.3-11"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Mailing List",
        "Vendor Advisory"
      ],
      "url": "http://lua-users.org/lists/lua-l/2021-12/msg00019.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.lua.org/bugs.html#5.4.3-11"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.