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CVE-2022-3212— DoS in axum-core due to missing request size limit

Quick assessment

Affected
tokio-rs axum-core
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.

axum是Tokio开源的一个专注于人体工程学和模块化的 Web 应用程序框架。 axum 存在安全漏洞，该漏洞源于不会限制文件的大小，导致耗尽内存并崩溃。

CVSS 7.5 · High EPSS 1.00% · P63

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2022-3212

Vulnerability Information
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Vulnerability Title
DoS in axum-core due to missing request size limit
Source: CVE Program / CVE List V5
Vulnerability Description
<bytes::Bytes as axum_core::extract::FromRequest>::from_request would not, by default, set a limit for the size of the request body. That meant if a malicious peer would send a very large (or infinite) body your server might run out of memory and crash. This also applies to these extractors which used Bytes::from_request internally: axum::extract::Form axum::extract::Json String
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
axum 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
axum是Tokio开源的一个专注于人体工程学和模块化的 Web 应用程序框架。 axum 存在安全漏洞，该漏洞源于不会限制文件的大小，导致耗尽内存并崩溃。
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
tokio-rs axum-core 0.3.0-rc.1 -

II. Public POCs for CVE-2022-3212

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III. Intelligence Information for CVE-2022-3212

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Other References for CVE-2022-3212 (2)

IV. Related Vulnerabilities

Same vendor: tokio-rs
Same weakness: CWE-770