Vulnerability-Lookup

CNVD-2022-31843

Vulnerability from cnvd - Published: 2022-04-23

Title

Lua缓冲区溢出漏洞（CNVD-2022-31843）

Description

Lua是Lua（LUA）团队的一款轻量级、扩展的开源脚本语言。 Lua5.4.4及之前版本存在缓冲区错误漏洞，该漏洞源于lparser.c中的singlevar缺少特定的luaK_exp2anyregup调用，导致基于堆的缓冲区过度读取，这可能会影响编译不受信任的Lua代码的系统。未认证的攻击者可利用该漏洞执行任意代码。

Severity

中

Patch Name

Lua缓冲区溢出漏洞（CNVD-2022-31843）的补丁

Patch Description

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://lua-users.org/lists/lua-l/2022-02/msg00001.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2022-28805

Impacted products

Name
Lua Lua <=5.4.4

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-28805",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-28805"
    }
  },
  "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\nLua5.4.4\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8elparser.c\u4e2d\u7684singlevar\u7f3a\u5c11\u7279\u5b9a\u7684luaK_exp2anyregup\u8c03\u7528\uff0c\u5bfc\u81f4\u57fa\u4e8e\u5806\u7684\u7f13\u51b2\u533a\u8fc7\u5ea6\u8bfb\u53d6\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5f71\u54cd\u7f16\u8bd1\u4e0d\u53d7\u4fe1\u4efb\u7684Lua\u4ee3\u7801\u7684\u7cfb\u7edf\u3002\u672a\u8ba4\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u4ee3\u7801\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://lua-users.org/lists/lua-l/2022-02/msg00001.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-31843",
  "openTime": "2022-04-23",
  "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\nLua5.4.4\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8elparser.c\u4e2d\u7684singlevar\u7f3a\u5c11\u7279\u5b9a\u7684luaK_exp2anyregup\u8c03\u7528\uff0c\u5bfc\u81f4\u57fa\u4e8e\u5806\u7684\u7f13\u51b2\u533a\u8fc7\u5ea6\u8bfb\u53d6\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5f71\u54cd\u7f16\u8bd1\u4e0d\u53d7\u4fe1\u4efb\u7684Lua\u4ee3\u7801\u7684\u7cfb\u7edf\u3002\u672a\u8ba4\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u4ee3\u7801\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\uff08CNVD-2022-31843\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Lua Lua \u003c=5.4.4"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2022-28805",
  "serverity": "\u4e2d",
  "submitTime": "2022-04-21",
  "title": "Lua\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2022-31843\uff09"
}

CVE-2022-28805 (GCVE-0-2022-28805)

Vulnerability from cvelistv5 – Published: 2022-04-08 00:00 – Updated: 2024-08-03 06:03

Summary

singlevar in lparser.c in Lua from (including) 5.4.0 up to (excluding) 5.4.4 lacks a certain luaK_exp2anyregup call, leading to a heap-based buffer over-read that might affect a system that compiles untrusted Lua code.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

7 references

URL	Tags
https://lua-users.org/lists/lua-l/2022-02/msg00001.html
https://lua-users.org/lists/lua-l/2022-02/msg00070.html
https://lua-users.org/lists/lua-l/2022-04/msg00009.html
https://github.com/lua/lua/commit/1f3c6f4534c6411…
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://security.gentoo.org/glsa/202305-23	vendor-advisory

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T06:03:53.085Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lua-users.org/lists/lua-l/2022-02/msg00001.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lua-users.org/lists/lua-l/2022-02/msg00070.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lua-users.org/lists/lua-l/2022-04/msg00009.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/lua/lua/commit/1f3c6f4534c6411313361697d98d1145a1f030fa"
          },
          {
            "name": "FEDORA-2022-b9ed35a7ad",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/"
          },
          {
            "name": "FEDORA-2022-5b5889f43a",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/"
          },
          {
            "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": "singlevar in lparser.c in Lua from (including) 5.4.0 up to (excluding) 5.4.4 lacks a certain luaK_exp2anyregup call, leading to a heap-based buffer over-read that might affect a system that compiles untrusted Lua code."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-05-03T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://lua-users.org/lists/lua-l/2022-02/msg00001.html"
        },
        {
          "url": "https://lua-users.org/lists/lua-l/2022-02/msg00070.html"
        },
        {
          "url": "https://lua-users.org/lists/lua-l/2022-04/msg00009.html"
        },
        {
          "url": "https://github.com/lua/lua/commit/1f3c6f4534c6411313361697d98d1145a1f030fa"
        },
        {
          "name": "FEDORA-2022-b9ed35a7ad",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/"
        },
        {
          "name": "FEDORA-2022-5b5889f43a",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/"
        },
        {
          "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-2022-28805",
    "datePublished": "2022-04-08T00:00:00.000Z",
    "dateReserved": "2022-04-08T00:00:00.000Z",
    "dateUpdated": "2024-08-03T06:03:53.085Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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.

Action not permitted

CNVD-2022-31843

CVE-2022-28805 (GCVE-0-2022-28805)

Tags

Sightings

Nomenclature

Related by attack behaviour