CVE-2021-20234
Quick assessment
Affected
n/a zeromq
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.
0MQ ZeroMQ是 （0MQ）开源的一个应用软件。提供套接字，这些套接字可在各种传输方式（例如进程内，进程间，TCP和多播）中承载原子消息。 ZeroMQ 4.3.3之前的版本中存在资源管理错误漏洞，攻击者可利用该漏洞触发拒绝服务。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-20234
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An uncontrolled resource consumption (memory leak) flaw was found in the ZeroMQ client in versions before 4.3.3 in src/pipe.cpp. This issue causes a client that connects to multiple malicious or compromised servers to crash. The highest threat from this vulnerability is to system availability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
ZeroMQ 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
0MQ ZeroMQ是 （0MQ）开源的一个应用软件。提供套接字，这些套接字可在各种传输方式（例如进程内，进程间，TCP和多播）中承载原子消息。 ZeroMQ 4.3.3之前的版本中存在资源管理错误漏洞，攻击者可利用该漏洞触发拒绝服务。
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-2021-20234
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-20234 (2)
-
https://bugzilla.redhat.com/show_bug.cgi?id=1921972 x_refsource_MISC
Same Patch Batch · n/a · 2021-04-01 · 48 CVEs total
| CVE-2021-29932 | Rust 资源管理错误漏洞 | |
| CVE-2021-29935 | Rust 资源管理错误漏洞 | |
| CVE-2021-29937 | Rust 安全漏洞 | |
| CVE-2021-29941 | Rust 缓冲区错误漏洞 | |
| CVE-2021-29942 | Rust 缓冲区错误漏洞 | |
| CVE-2021-20296 | LIM OpenEXR 代码问题漏洞 | |
| CVE-2021-29421 | jbarlow83 pikepdf 代码问题漏洞 | |
| CVE-2021-3447 | 红帽 Ansible 日志信息泄露漏洞 | |
| CVE-2021-29940 | Rust 资源管理错误漏洞 | |
| CVE-2021-29933 | Rust 资源管理错误漏洞 | |
| CVE-2021-29934 | Rust 缓冲区错误漏洞 | |
| CVE-2021-29931 | Rust 资源管理错误漏洞 | |
| CVE-2021-29930 | Rust 缓冲区错误漏洞 | |
| CVE-2021-29929 | Rust 资源管理错误漏洞 | |
| CVE-2021-29251 | BTCPay Server 安全漏洞 | |
| CVE-2021-28918 | Npm netmask 代码问题漏洞 | |
| CVE-2021-3393 | PostgreSQL 安全漏洞 | |
| CVE-2021-20235 | libzmq 缓冲区错误漏洞 | |
| CVE-2021-22876 | Haxx libcurl 信息泄露漏洞 | |
| CVE-2021-22890 | Haxx libcurl 安全漏洞 |
Showing top 20 of 48 CVEs. View all on vendor page → →
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V. Comments for CVE-2021-20234
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