cnvd - cnvd-2020-47043

cnvd-2020-47043

Vulnerability from cnvd

Title: Lua缓冲区溢出漏洞

Description:

Lua是Lua团队的一款轻量级、扩展的开源脚本语言。

Lua 5.4.0及之前版本中的luaO_pushvfstring存在缓冲区溢出漏洞，该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作，攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

Severity: 中

Patch Name: Lua缓冲区溢出漏洞的补丁

Patch Description:

Lua是Lua团队的一款轻量级、扩展的开源脚本语言。

Lua 5.4.0及之前版本中的luaO_pushvfstring存在缓冲区溢出漏洞，该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作，攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。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： https://github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27

Reference: https://github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27

Impacted products

Name
Lua Lua <=5.4.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-24342",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-24342"
    }
  },
  "description": "Lua\u662fLua\u56e2\u961f\u7684\u4e00\u6b3e\u8f7b\u91cf\u7ea7\u3001\u6269\u5c55\u7684\u5f00\u6e90\u811a\u672c\u8bed\u8a00\u3002\n\nLua 5.4.0\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684luaO_pushvfstring\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-47043",
  "openTime": "2020-08-20",
  "patchDescription": "Lua\u662fLua\u56e2\u961f\u7684\u4e00\u6b3e\u8f7b\u91cf\u7ea7\u3001\u6269\u5c55\u7684\u5f00\u6e90\u811a\u672c\u8bed\u8a00\u3002\r\n\r\nLua 5.4.0\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684luaO_pushvfstring\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\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\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Lua Lua \u003c=5.4.0"
  },
  "referenceLink": "https://github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27",
  "serverity": "\u4e2d",
  "submitTime": "2020-08-17",
  "title": "Lua\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2020-24342 (GCVE-0-2020-24342)

Vulnerability from cvelistv5

Published

2020-08-13 18:54

Modified

2024-08-04 15:12

Severity ?

CWE

Summary

Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a protection mechanism wrongly calls luaD_callnoyield twice in a row.

References

▼	URL	Tags
	http://lua-users.org/lists/lua-l/2020-07/msg00052.html	x_refsource_MISC
	https://github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QA5Q5MDQMTGXRQO3PAQ4EZFTYWJXZM5N/	vendor-advisory, x_refsource_FEDORA

Impacted products

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

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T15:12:08.657Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://lua-users.org/lists/lua-l/2020-07/msg00052.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27"
          },
          {
            "name": "FEDORA-2020-38e35de8aa",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QA5Q5MDQMTGXRQO3PAQ4EZFTYWJXZM5N/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a protection mechanism wrongly calls luaD_callnoyield twice in a row."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-09-25T18:06:43",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://lua-users.org/lists/lua-l/2020-07/msg00052.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27"
        },
        {
          "name": "FEDORA-2020-38e35de8aa",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QA5Q5MDQMTGXRQO3PAQ4EZFTYWJXZM5N/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-24342",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
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                      }
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                  ]
                },
                "vendor_name": "n/a"
              }
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        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
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        },
        "references": {
          "reference_data": [
            {
              "name": "http://lua-users.org/lists/lua-l/2020-07/msg00052.html",
              "refsource": "MISC",
              "url": "http://lua-users.org/lists/lua-l/2020-07/msg00052.html"
            },
            {
              "name": "https://github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27",
              "refsource": "MISC",
              "url": "https://github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27"
            },
            {
              "name": "FEDORA-2020-38e35de8aa",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QA5Q5MDQMTGXRQO3PAQ4EZFTYWJXZM5N/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-24342",
    "datePublished": "2020-08-13T18:54:20",
    "dateReserved": "2020-08-13T00:00:00",
    "dateUpdated": "2024-08-04T15:12:08.657Z",
    "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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