CVE-2021-20237
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I. Basic Information for CVE-2021-20237
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp in versions before 4.3.3. This flaw allows a remote unauthenticated attacker to send crafted PUB messages that consume excessive memory if the CURVE/ZAP authentication is disabled on the server, causing a denial of service. The highest threat from this vulnerability is to system availability.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
ZeroMQ 资源管理错误漏洞
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 存在安全漏洞，该漏洞源于一个不受控制的资源消耗缺陷。远程未经身份验证的攻击者可利用该漏洞发送消耗过多内存的精心制作的PUB消息，从而导致拒绝服务。
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-2021-20237
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://bugzilla.redhat.com/show_bug.cgi?id=1921989x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-20237
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-2021-20236 | ZeroMQ 缓冲区错误漏洞 | |
| 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-400
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V. Comments for CVE-2021-20237
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