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CVE-2022-1333— A specifically drafted Playbook could trigger large amount of webhook requests leading to Denial of Service

Quick assessment

Affected
Mattermost Mattermost Playbooks
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 Playbooks plugin 1.24.0 版本及之前版本存在安全漏洞，该漏洞源于无法正确检查 webhook 数量的限制，这允许经过身份验证和授权的用户创建一个专门起草的 Playbook，这可能会触发大量导致拒绝服务的 webhook 请求。

CVSS 3.5 · Low EPSS 0.73% · P54

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-1333

Vulnerability Information
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Vulnerability Title
A specifically drafted Playbook could trigger large amount of webhook requests leading to Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost Playbooks plugin v1.24.0 and earlier fails to properly check the limit on the number of webhooks, which allows authenticated and authorized users to create a specifically drafted Playbook which could trigger a large amount of webhook requests leading to Denial of Service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/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 Playbooks plugin 1.24.0 版本及之前版本存在安全漏洞，该漏洞源于无法正确检查 webhook 数量的限制，这允许经过身份验证和授权的用户创建一个专门起草的 Playbook，这可能会触发大量导致拒绝服务的 webhook 请求。
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 Playbooks Playbooks ~ 1.24 -

II. Public POCs for CVE-2022-1333

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III. Intelligence Information for CVE-2022-1333

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Other References for CVE-2022-1333 (1)

Same Patch Batch · Mattermost · 2022-04-13 · 3 CVEs total

CVE-2022-1337 4.3 MEDIUM OOM DoS in Mattermost image proxy
CVE-2022-1332 4.3 MEDIUM Restricted custom admin role can bypass the restrictions and view the server logs and serv

IV. Related Vulnerabilities

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

V. Comments for CVE-2022-1333

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