CVE-2021-43519
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Lua是Lua（LUA）团队的一款轻量级、扩展的开源脚本语言。 Lua Interpreter 中存在缓冲区错误漏洞，该漏洞源于产品ldo.c文件中的lua_resume未能正确处理数据文件。攻击者可通过该漏洞导致拒绝服务。以下产品及版本受到影响：Lua Interpreter 5.1.0 版本至 5.4.4 版本。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-43519
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Stack overflow in lua_resume of ldo.c in Lua Interpreter 5.1.0~5.4.4 allows attackers to perform a Denial of Service via a crafted script file.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Lua 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lua是Lua（LUA）团队的一款轻量级、扩展的开源脚本语言。 Lua Interpreter 中存在缓冲区错误漏洞，该漏洞源于产品ldo.c文件中的lua_resume未能正确处理数据文件。攻击者可通过该漏洞导致拒绝服务。以下产品及版本受到影响：Lua Interpreter 5.1.0 版本至 5.4.4 版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-43519
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Mailing List Discussions for CVE-2021-43519 (2)
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C7XHFYHGSZKL53VCLSJSAJ6VMFGAIXKO/ vendor-advisory x_refsource_FEDORA
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/ vendor-advisory x_refsource_FEDORA
Other References for CVE-2021-43519 (1)
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http://lua-users.org/lists/lua-l/2021-11/msg00015.html x_refsource_MISC
Same Patch Batch · n/a · 2021-11-09 · 42 CVEs total
| CVE-2021-43190 | JetBrains YouTrack 安全漏洞 | |
| CVE-2021-43195 | Jetbrains JetBrains TeamCity 安全漏洞 | |
| CVE-2021-43197 | Jetbrains JetBrains TeamCity 跨站脚本漏洞 | |
| CVE-2021-43199 | Jetbrains JetBrains TeamCity 安全漏洞 | |
| CVE-2021-43198 | Jetbrains JetBrains TeamCity 跨站脚本漏洞 | |
| CVE-2021-43200 | Jetbrains JetBrains TeamCity 安全漏洞 | |
| CVE-2021-43201 | Jetbrains JetBrains TeamCity 安全漏洞 | |
| CVE-2021-43187 | JetBrains YouTrack 安全漏洞 | |
| CVE-2021-43188 | JetBrains YouTrack 安全漏洞 | |
| CVE-2021-43189 | JetBrains YouTrack 安全漏洞 | |
| CVE-2019-16240 | HP Inkjet printers 安全漏洞 | |
| CVE-2021-43196 | Jetbrains JetBrains TeamCity 安全漏洞 | |
| CVE-2021-43192 | JetBrains YouTrack 安全漏洞 | |
| CVE-2021-43191 | JetBrains YouTrack 安全漏洞 | |
| CVE-2021-43184 | JetBrains YouTrack 跨站脚本漏洞 | |
| CVE-2021-43185 | JetBrains YouTrack 注入漏洞 | |
| CVE-2021-43186 | JetBrains YouTrack 跨站脚本漏洞 | |
| CVE-2019-18914 | 多款HP产品跨站脚本漏洞 | |
| CVE-2019-18916 | 多款HP产品安全漏洞 | |
| CVE-2021-43114 | FORT-validator 安全漏洞 |
Showing top 20 of 42 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-43519
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