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CVE-2021-3531

Quick assessment

Affected
n/a ceph
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.

Red Hat Ceph是美国红帽（Red Hat）公司的一套Linux PB级分布式文件系统。该系统的主要目标是设计成基于POSIX（可移植操作系统接口）的没有单点故障的分布式文件系统，使数据能容错和无缝的复制。 Ceph 存在输入验证错误漏洞，该漏洞源于在处理HTTP GET请求时对用户提供的输入验证不足。远程攻击者可利用该漏洞可以向快速URL发送一个以两个斜杠结尾的请求，这会导致rgw崩溃。以下产品及版本受到影响：Ceph: 14.0.0, 14.0.1, 14.1.0, 14.1.1, 14.2.

AI Predicted 7.5 Difficulty: Easy EPSS 2.43% · P84

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-3531

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the Red Hat Ceph Storage RGW in versions before 14.2.21. When processing a GET Request for a swift URL that ends with two slashes it can cause the rgw to crash, resulting in a denial of service. The greatest threat to the system is of availability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Ceph 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Ceph是美国红帽（Red Hat）公司的一套Linux PB级分布式文件系统。该系统的主要目标是设计成基于POSIX（可移植操作系统接口）的没有单点故障的分布式文件系统，使数据能容错和无缝的复制。 Ceph 存在输入验证错误漏洞，该漏洞源于在处理HTTP GET请求时对用户提供的输入验证不足。远程攻击者可利用该漏洞可以向快速URL发送一个以两个斜杠结尾的请求，这会导致rgw崩溃。以下产品及版本受到影响：Ceph: 14.0.0, 14.0.1, 14.1.0, 14.1.1, 14.2.
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
- ceph ceph 14.2.21 -

II. Public POCs for CVE-2021-3531

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III. Intelligence Information for CVE-2021-3531

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Vendor Advisories for CVE-2021-3531 (1)

Mailing List Discussions for CVE-2021-3531 (5)

Same Patch Batch · n/a · 2021-05-18 · 39 CVEs total

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CVE-2021-30145 node-mpv 格式化字符串错误漏洞
CVE-2021-22117 Pivotal Software RabbitMQ 代码注入漏洞
CVE-2020-25709 OpenLDAP 安全漏洞
CVE-2002-2438 TCP 授权问题漏洞
CVE-2021-3518 libxml2 资源管理错误漏洞
CVE-2021-31827 Progress Software MOVEit Transfer SQL注入漏洞
CVE-2020-19924 BoostIO Boostnote 跨站脚本漏洞

Showing top 20 of 39 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: ceph
Same vendor: n/a
Same weakness: CWE-20

V. Comments for CVE-2021-3531

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