CVE-2021-20236
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I. Basic Information for CVE-2021-20236
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in the ZeroMQ server in versions before 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: NVD (National Vulnerability Database)
Vulnerability Title
ZeroMQ 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZeroMQ是一个轻量级分布式消息传递引擎核心库。 ZeroMQ server 4.3.3之前版本存在安全漏洞，该漏洞源于允许恶意客户端通过发送精心设计的主题订阅请求，然后取消订阅，从而导致服务器上的堆栈缓冲区溢出。
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 |
|---|---|---|---|---|
| - | zeromq | zeromq 4.3.3 | - |
II. Public POCs for CVE-2021-20236
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://bugzilla.redhat.com/show_bug.cgi?id=1921976x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-20236
Same Patch Batch · n/a · 2021-05-28 · 43 CVEs total
| CVE-2021-33620 | 6.5 MEDIUM | Squid 输入验证错误漏洞 |
| CVE-2021-20195 | Red Hat Keycloak 输入验证错误漏洞 | |
| CVE-2020-35506 | QEMU 资源管理错误漏洞 | |
| CVE-2020-35504 | QEMU 代码问题漏洞 | |
| CVE-2010-3843 | Ettercap 缓冲区错误漏洞 | |
| CVE-2020-27847 | Dex Idp Dex 安全漏洞 | |
| CVE-2020-25710 | OpenLDAP 安全漏洞 | |
| CVE-2021-3514 | 389-ds-base 代码问题漏洞 | |
| CVE-2021-33587 | css-what 安全漏洞 | |
| CVE-2021-33623 | trim-newlines 资源管理错误漏洞 | |
| CVE-2020-25715 | pki-core 跨站脚本漏洞 | |
| CVE-2020-35505 | QEMU 代码问题漏洞 | |
| CVE-2021-20201 | spice 安全漏洞 | |
| CVE-2021-20237 | ZeroMQ 资源管理错误漏洞 | |
| CVE-2021-20239 | Linux kernel 缓冲区错误漏洞 | |
| CVE-2021-20240 | gdk-pixbuf 数字错误漏洞 | |
| CVE-2021-20278 | Kiali 授权问题漏洞 | |
| CVE-2021-20292 | Nouveau 资源管理错误漏洞 | |
| CVE-2021-27032 | Autodesk Licensing Services 访问控制错误漏洞 | |
| CVE-2021-21734 | ZTE PON MDU 加密问题漏洞 |
Showing top 20 of 43 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: n/a
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Same weakness: CWE-120
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V. Comments for CVE-2021-20236
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