CVE-2021-41581
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.
LibreSSL是一款安全套接层和传输层安全协议的开源实现。 LibreSSL 中存在缓冲区错误漏洞。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。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1200 · Hardware Additions
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I. Basic Information for CVE-2021-41581
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
x509_constraints_parse_mailbox in lib/libcrypto/x509/x509_constraints.c in LibreSSL through 3.4.0 has a stack-based buffer over-read. When the input exceeds DOMAIN_PART_MAX_LEN, the buffer lacks '\0' termination.
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
LibreSSL 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LibreSSL是一款安全套接层和传输层安全协议的开源实现。 LibreSSL 中存在缓冲区错误漏洞。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。
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-2021-41581
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-41581 (1)
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https://github.com/libressl-portable/openbsd/issues/126 x_refsource_MISC
Same Patch Batch · n/a · 2021-09-24 · 20 CVEs total
| CVE-2021-40309 | OS4Ed OpenSIS SQL注入漏洞 | |
| CVE-2021-21742 | ZTE Axon 30 Pro Message Service App 安全漏洞 | |
| CVE-2020-20514 | Maccms 跨站请求伪造漏洞 | |
| CVE-2020-20508 | Shopkit 跨站脚本漏洞 | |
| CVE-2021-40655 | D-link Dir-605 B2 安全漏洞 | |
| CVE-2021-40654 | D-link Dir-605 B2 安全漏洞 | |
| CVE-2021-41504 | D-link Dcs-932L和D-link Dcs-5000L 安全漏洞 | |
| CVE-2021-41503 | D-link Dcs-932L和D-link Dcs-5000L 授权问题漏洞 | |
| CVE-2021-39246 | Tor Browser 日志信息泄露漏洞 | |
| CVE-2021-28130 | Dr.Web Firewall 代码问题漏洞 | |
| CVE-2021-41583 | Commons Conservancy eduVPN 输入验证错误漏洞 | |
| CVE-2021-40310 | OpenSIS 跨站脚本漏洞 | |
| CVE-2021-40099 | PortlandLabs Concrete CMS 安全漏洞 | |
| CVE-2021-40100 | PortlandLabs Concrete Cms 跨站脚本漏洞 | |
| CVE-2021-40102 | PortlandLabs Concrete Cms 代码问题漏洞 | |
| CVE-2021-41586 | Gradle 代码问题漏洞 | |
| CVE-2021-41587 | Gradle 代码问题漏洞 | |
| CVE-2021-41588 | Gradle 代码问题漏洞 | |
| CVE-2021-41584 | Gradle 信息泄露漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-41581
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