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CVE-2022-4045— Authenticated user could send multiple requests containing a parameter which could fetch a large amount of data and can crash a Mattermost server

Quick assessment

Affected
Mattermost Mattermost
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.

Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost存在安全漏洞，该漏洞源于拒绝服务漏洞，允许经过身份验证的用户通过对API端点的多个请求使服务器崩溃，这可能会获取大量数据。

CVSS 3.1 · Low EPSS 0.61% · P48

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-4045

Vulnerability Information
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Vulnerability Title
Authenticated user could send multiple requests containing a parameter which could fetch a large amount of data and can crash a Mattermost server
Source: CVE Program / CVE List V5
Vulnerability Description
A denial-of-service vulnerability in the Mattermost allows an authenticated user to crash the server via multiple requests to one of the API endpoints which could fetch a large amount of data. 
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
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
Mattermost 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost存在安全漏洞，该漏洞源于拒绝服务漏洞，允许经过身份验证的用户通过对API端点的多个请求使服务器崩溃，这可能会获取大量数据。
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
Mattermost Mattermost 0 ~ 7.3.* -

II. Public POCs for CVE-2022-4045

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III. Intelligence Information for CVE-2022-4045

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Other References for CVE-2022-4045 (1)

Same Patch Batch · Mattermost · 2022-11-23 · 3 CVEs total

CVE-2022-4044 4.3 MEDIUM Authenticated user could send multiple requests containing a large Auto Responder Message
CVE-2022-4019 4.3 MEDIUM Authenticated user could send multiple requests containing a large payload to a Playbooks

IV. Related Vulnerabilities

Same product: Mattermost
Same vendor: Mattermost
Same weakness: CWE-770

V. Comments for CVE-2022-4045

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