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CVE-2023-49809— Todo plugin gets crashed and disabled by member

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 存在资源管理错误漏洞，该漏洞源于无法处理 add 端点中的空请求正文，从而允许攻击者向该端点发送带有空请求正文的请求并使其崩溃。

CVSS 4.3 · Medium EPSS 0.64% · P49
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I. Basic Information for CVE-2023-49809

Vulnerability Information
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Vulnerability Title
Todo plugin gets crashed and disabled by member
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost fails to handle a null request body in the /add endpoint, allowing a simple member to send a request with null request body to that endpoint and make it crash. After a few repetitions, the plugin is disabled. 
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 存在资源管理错误漏洞，该漏洞源于无法处理 add 端点中的空请求正文，从而允许攻击者向该端点发送带有空请求正文的请求并使其崩溃。
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 ~ 8.1.5 -

II. Public POCs for CVE-2023-49809

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III. Intelligence Information for CVE-2023-49809

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Same Patch Batch · Mattermost · 2023-12-12 · 8 CVEs total

CVE-2023-45316 7.3 HIGH Reflected client side path traversal leading to CSRF in Playbooks
CVE-2023-46701 6.5 MEDIUM Inaccessible Post Information Leak via Run Timeline IDOR
CVE-2023-45847 4.3 MEDIUM Playbook Plugin Crash via Run Checklist
CVE-2023-49874 4.3 MEDIUM IDOR when updating the tasks of a private playbook run
CVE-2023-49607 4.3 MEDIUM Playbook plugin crash via missing interface type assertion
CVE-2023-6547 3.7 LOW Playbooks access/modification by removed team member
CVE-2023-6727 3.1 LOW Leak Inaccessible Playbook Information via Channel Action IDOR

IV. Related Vulnerabilities

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

V. Comments for CVE-2023-49809

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