CVE-2021-32832— ReDOS in Rocket.Chat
Quick assessment
Affected
RocketChat Rocket.Chat
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.
Rocket.Chat是一套开源的团队聊天软件。 Rocket.Chat 存在资源管理错误漏洞，该漏洞源于某些正则表达式的问题可能会导致拒绝服务。以下产品及版本受到影响：Rocket.Chat before versions 3.11.3, 3.12.2, and 3.13。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-32832
Vulnerability Information
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Vulnerability Title
ReDOS in Rocket.Chat
Source: CVE Program / CVE List V5
Vulnerability Description
Rocket.Chat is an open-source fully customizable communications platform developed in JavaScript. In Rocket.Chat before versions 3.11.3, 3.12.2, and 3.13 an issue with certain regular expressions could lead potentially to Denial of Service. This was fixed in versions 3.11.3, 3.12.2, and 3.13.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
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
Rocket.Chat 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rocket.Chat是一套开源的团队聊天软件。 Rocket.Chat 存在资源管理错误漏洞，该漏洞源于某些正则表达式的问题可能会导致拒绝服务。以下产品及版本受到影响：Rocket.Chat before versions 3.11.3, 3.12.2, and 3.13。
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 |
|---|---|---|---|---|
| RocketChat | Rocket.Chat | < 3.11.3 | - |
|
II. Public POCs for CVE-2021-32832
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2021-32832 (1)
Other References for CVE-2021-32832 (3)
-
https://docs.rocket.chat/guides/security/security-updates x_refsource_MISC
-
https://github.com/RocketChat/Rocket.Chat/releases/tag/3.11.3 x_refsource_MISC
-
https://securitylab.github.com/advisories/GHSL-2020-310-redos-Rocket.Chat/ x_refsource_CONFIRM
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V. Comments for CVE-2021-32832
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