Vulnerability-Lookup

CNVD-2020-44614

Vulnerability from cnvd - Published: 2020-07-30

Title

Lua堆缓冲区溢出漏洞

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及之前版本中存在缓冲区溢出漏洞，该漏洞源于程序未能正确检查边界。远程攻击者可借助特制参数利用该漏洞在系统上执行任意代码或导致应用程序崩溃。

Severity

高

Patch Name

Lua堆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及之前版本中存在缓冲区溢出漏洞，该漏洞源于程序未能正确检查边界。远程攻击者可借助特制参数利用该漏洞在系统上执行任意代码或导致应用程序崩溃。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/lua/lua/commit/127e7a6c8942b362aa3c6627f44d660a4fb75312

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-15889

Impacted products

Name
Lua Lua <=5.4.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-15889",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-15889"
    }
  },
  "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\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u68c0\u67e5\u8fb9\u754c\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u53c2\u6570\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u6216\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/lua/lua/commit/127e7a6c8942b362aa3c6627f44d660a4fb75312",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-44614",
  "openTime": "2020-07-30",
  "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\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u68c0\u67e5\u8fb9\u754c\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u53c2\u6570\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u6216\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Lua Lua \u003c=5.4.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-15889",
  "serverity": "\u9ad8",
  "submitTime": "2020-07-22",
  "title": "Lua\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2020-15889 (GCVE-0-2020-15889)

Vulnerability from cvelistv5 – Published: 2020-07-21 21:35 – Updated: 2024-08-04 13:30

Summary

Lua 5.4.0 has a getobjname heap-based buffer over-read because youngcollection in lgc.c uses markold for an insufficient number of list members.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
http://lua-users.org/lists/lua-l/2020-07/msg00078.html	x_refsource_MISC
https://github.com/lua/lua/commit/127e7a6c8942b36…	x_refsource_MISC
http://lua-users.org/lists/lua-l/2020-12/msg00157.html	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T13:30:23.249Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://lua-users.org/lists/lua-l/2020-07/msg00078.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/lua/lua/commit/127e7a6c8942b362aa3c6627f44d660a4fb75312"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://lua-users.org/lists/lua-l/2020-12/msg00157.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Lua 5.4.0 has a getobjname heap-based buffer over-read because youngcollection in lgc.c uses markold for an insufficient number of list members."
        }
      ],
      "problemTypes": [
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              "lang": "en",
              "type": "text"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2020-12-22T20:36:26.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://lua-users.org/lists/lua-l/2020-07/msg00078.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/lua/lua/commit/127e7a6c8942b362aa3c6627f44d660a4fb75312"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://lua-users.org/lists/lua-l/2020-12/msg00157.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-15889",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
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        "description": {
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            }
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                  "value": "n/a"
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              "url": "http://lua-users.org/lists/lua-l/2020-12/msg00157.html"
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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    "datePublished": "2020-07-21T21:35:49.000Z",
    "dateReserved": "2020-07-21T00:00:00.000Z",
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    "state": "PUBLISHED"
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}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.