cnvd - cnvd-2022-15519

cnvd-2022-15519

Vulnerability from cnvd

Title: Lua存在未明漏洞

Description:

Lua是Lua（LUA）团队的一款轻量级、扩展的开源脚本语言。

Lua 5.4.4和5.4.2存在安全漏洞，该漏洞源于ldebug.c中funcnamefromcode函数存在类型混淆漏洞，攻击者可利用该漏洞导致本地拒绝服务。

Severity: 低

Patch Name: Lua存在未明漏洞的补丁

Patch Description:

Lua是Lua（LUA）团队的一款轻量级、扩展的开源脚本语言。

Lua 5.4.4和5.4.2存在安全漏洞，该漏洞源于ldebug.c中funcnamefromcode函数存在类型混淆漏洞，攻击者可利用该漏洞导致本地拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

厂商已发布了漏洞修复程序，请及时关注更新： http://lua-users.org/lists/lua-l/2021-11/msg00204.html

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-44647

Impacted products

Name
['Lua Lua 5.4.4', 'Lua Lua 5.4.2']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-44647"
    }
  },
  "description": "Lua\u662fLua\uff08LUA\uff09\u56e2\u961f\u7684\u4e00\u6b3e\u8f7b\u91cf\u7ea7\u3001\u6269\u5c55\u7684\u5f00\u6e90\u811a\u672c\u8bed\u8a00\u3002\n\nLua 5.4.4\u548c5.4.2\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eldebug.c\u4e2dfuncnamefromcode\u51fd\u6570\u5b58\u5728\u7c7b\u578b\u6df7\u6dc6\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u672c\u5730\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://lua-users.org/lists/lua-l/2021-11/msg00204.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-15519",
  "openTime": "2022-03-01",
  "patchDescription": "Lua\u662fLua\uff08LUA\uff09\u56e2\u961f\u7684\u4e00\u6b3e\u8f7b\u91cf\u7ea7\u3001\u6269\u5c55\u7684\u5f00\u6e90\u811a\u672c\u8bed\u8a00\u3002\r\n\r\nLua 5.4.4\u548c5.4.2\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eldebug.c\u4e2dfuncnamefromcode\u51fd\u6570\u5b58\u5728\u7c7b\u578b\u6df7\u6dc6\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u672c\u5730\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Lua\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Lua Lua 5.4.4",
      "Lua Lua 5.4.2"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-44647",
  "serverity": "\u4f4e",
  "submitTime": "2022-01-13",
  "title": "Lua\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2021-44647 (GCVE-0-2021-44647)

Vulnerability from cvelistv5

Published

2022-01-11 00:00

Modified

2024-08-04 04:25

Severity ?

CWE

Summary

Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service.

References

▼	URL	Tags
	http://lua-users.org/lists/lua-l/2021-11/msg00195.html
	http://lua-users.org/lists/lua-l/2021-11/msg00204.html
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/	vendor-advisory
	https://access.redhat.com/security/cve/cve-2021-44647
	https://security.gentoo.org/glsa/202305-23	vendor-advisory

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T04:25:16.894Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://lua-users.org/lists/lua-l/2021-11/msg00195.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://lua-users.org/lists/lua-l/2021-11/msg00204.html"
          },
          {
            "name": "FEDORA-2022-473560d1a6",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://access.redhat.com/security/cve/cve-2021-44647"
          },
          {
            "name": "GLSA-202305-23",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202305-23"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-05-03T00:00:00",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "http://lua-users.org/lists/lua-l/2021-11/msg00195.html"
        },
        {
          "url": "http://lua-users.org/lists/lua-l/2021-11/msg00204.html"
        },
        {
          "name": "FEDORA-2022-473560d1a6",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/"
        },
        {
          "url": "https://access.redhat.com/security/cve/cve-2021-44647"
        },
        {
          "name": "GLSA-202305-23",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202305-23"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-44647",
    "datePublished": "2022-01-11T00:00:00",
    "dateReserved": "2021-12-06T00:00:00",
    "dateUpdated": "2024-08-04T04:25:16.894Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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