Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2023-3581— WebSockets accept connections from HTTPS origin

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，该漏洞源于无法正确验证Websocket连接的来源，从而允许攻击者访问Websocket API。

CVSS 6.2 · Medium EPSS 0.26% · P17
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2023-3581

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
WebSockets accept connections from HTTPS origin
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
源验证错误
Source: CVE Program / CVE List V5
Vulnerability Title
Mattermost 访问控制错误漏洞
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存在安全漏洞，该漏洞源于无法正确验证Websocket连接的来源，从而允许攻击者访问Websocket API。
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 ~ 7.8.6 -

II. Public POCs for CVE-2023-3581

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2023-3581

请登录查看更多情报信息。

Same Patch Batch · Mattermost · 2023-07-17 · 13 CVEs total

CVE-2023-3615 8.1 HIGH Lack of server certificate validation in websockets connection
CVE-2023-3591 4.8 MEDIUM Lack of previous password reset tokens on new token creation
CVE-2023-3582 4.3 MEDIUM Lack of channel membership check when linking a board to a channel
CVE-2023-3585 4.3 MEDIUM channel DoS by sharing a boards link
CVE-2023-3614 4.3 MEDIUM Denial of Service via specially crafted gif image
CVE-2023-3593 4.3 MEDIUM Server crash via a specially crafted markdown input
CVE-2023-3586 4.2 MEDIUM Disabling publicly-shared boards does not disable existing publicly available board links
CVE-2023-3577 3.5 LOW Limited blind SSRF to localhost/intranet in interactive dialog implementation
CVE-2023-3613 3.5 LOW Guest accounts invited and added to channels by Welcomebot plugin
CVE-2023-3584 3.1 LOW Member can create team with team override scheme
CVE-2023-3590 3.1 LOW Deleted attachments in Boards remain accessible
CVE-2023-3587 2.7 LOW Inconsistent state in UI after boards permission change by system admin

IV. Related Vulnerabilities

Same product: Mattermost
Same vendor: Mattermost
Same weakness: CWE-346

V. Comments for CVE-2023-3581

No comments yet

Leave a comment