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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2024-39807— Channel IDs of archived/restored channels leaked via webhook events

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 9.5.x至9.5.5和9.8.0版本存在安全漏洞，该漏洞源于未能正确清理webhook事件的接收者，攻击者可以检索已存档或恢复的频道的ID。

CVSS 3.1 · Low EPSS 0.34% · P26
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2024-39807

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Channel IDs of archived/restored channels leaked via webhook events
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost versions 9.5.x <= 9.5.5 and 9.8.0 fail to properly sanitize the recipients of a webhook event which allows an attacker monitoring webhook events to retrieve the channel IDs of archived or restored channels.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
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 9.5.x至9.5.5和9.8.0版本存在安全漏洞，该漏洞源于未能正确清理webhook事件的接收者，攻击者可以检索已存档或恢复的频道的ID。
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 9.8.0 -

II. Public POCs for CVE-2024-39807

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2024-39807

请登录查看更多情报信息。

Same Patch Batch · Mattermost · 2024-07-03 · 6 CVEs total

CVE-2024-39830 8.1 HIGH Timing attack during remote cluster token comparison when shared channels are enabled
CVE-2024-6428 5.3 MEDIUM Limited DoS due to permitting creating users with user-defined IDs
CVE-2024-39361 3.1 LOW Creating posts with user-defined IDs permitted in CreatePost API
CVE-2024-36257 2.7 LOW Lack of permission check when updating the profile picture of a remote user (shared channe
CVE-2024-39353 2.7 LOW RemoteClusterFrame payloads are audit logged in full

IV. Related Vulnerabilities

Same product: Mattermost
Same vendor: Mattermost
Same weakness: CWE-200

V. Comments for CVE-2024-39807

No comments yet

Leave a comment