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CVE-2022-2406— Malicious imports can lead to Denial of Service

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 6.7.0版本及之前版本存在安全漏洞，该漏洞源于 Slack 导入功能无法正确限制导入文件的大小。

CVSS 4.3 · Medium EPSS 0.86% · P56

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-2406

Vulnerability Information
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Vulnerability Title
Malicious imports can lead to Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
The legacy Slack import feature in Mattermost version 6.7.0 and earlier fails to properly limit the sizes of imported files, which allows an authenticated attacker to crash the server by importing large files via the Slack import REST API.
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
Mattermost 资源管理错误漏洞
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 6.7.0版本及之前版本存在安全漏洞，该漏洞源于 Slack 导入功能无法正确限制导入文件的大小。
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 unspecified ~ 6.3.8 -

II. Public POCs for CVE-2022-2406

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III. Intelligence Information for CVE-2022-2406

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Other References for CVE-2022-2406 (1)

Same Patch Batch · Mattermost · 2022-07-14 · 3 CVEs total

CVE-2022-2401 6.5 MEDIUM Team members could access sensitive information of other users via an API call
CVE-2022-2408 4.3 MEDIUM Guest accounts can list all public channels

IV. Related Vulnerabilities

Same product: Mattermost
Same vendor: Mattermost
Same weakness: CWE-400

V. Comments for CVE-2022-2406

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