github - ghsa-4fp8-99qh-27p3

GHSA-4FP8-99QH-27P3

Vulnerability from github – Published: 2022-05-24 17:24 – Updated: 2025-02-19 15:32

Details

Lua through 5.4.0 has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.

Severity ?

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2020-15945"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-07-24T21:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Lua through 5.4.0 has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.",
  "id": "GHSA-4fp8-99qh-27p3",
  "modified": "2025-02-19T15:32:11Z",
  "published": "2022-05-24T17:24:18Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-15945"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3"
    },
    {
      "type": "WEB",
      "url": "https://www.lua.org/bugs.html#5.4.0-8"
    },
    {
      "type": "WEB",
      "url": "http://lua-users.org/lists/lua-l/2020-07/msg00123.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2020-15945 (GCVE-0-2020-15945)

Vulnerability from cvelistv5 – Published: 2020-07-24 20:05 – Updated: 2025-02-19 14:35

Summary

Lua 5.4.0 (fixed in 5.4.1) has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	http://lua-users.org/lists/lua-l/2020-07/msg00123.html
	https://github.com/lua/lua/commit/a2195644d89812e…
	https://www.lua.org/bugs.html#5.4.0-8

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JSON

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  "containers": {
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        "providerMetadata": {
          "dateUpdated": "2024-08-04T13:30:23.337Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "http://lua-users.org/lists/lua-l/2020-07/msg00123.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
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      ],
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-02-19T14:35:13.589Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "http://lua-users.org/lists/lua-l/2020-07/msg00123.html"
        },
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          "url": "https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3"
        },
        {
          "url": "https://www.lua.org/bugs.html#5.4.0-8"
        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-15945",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
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                "product": {
                  "product_data": [
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    "dateReserved": "2020-07-24T00:00:00.000Z",
    "dateUpdated": "2025-02-19T14:35:13.589Z",
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  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-4FP8-99QH-27P3

CVE-2020-15945 (GCVE-0-2020-15945)

Tags

Sightings

Nomenclature