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CVE-2024-23488— Files of archived channels accessible with the “Allow users to view archived channels” option disabled

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 9.4.2之前版本和8.1.9之前版本存在安全漏洞，该漏洞源于存在文件访问限制绕过漏洞。

CVSS 3.1 · Low EPSS 0.31% · P22

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2024-23488

Vulnerability Information
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Vulnerability Title
Files of archived channels accessible with the “Allow users to view archived channels” option disabled
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost fails to properly restrict the access of files attached to posts in an archived channel, resulting in members being able to access files of archived channels even if the “Allow users to view archived channels” option is disabled.
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
访问控制不恰当
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 9.4.2之前版本和8.1.9之前版本存在安全漏洞，该漏洞源于存在文件访问限制绕过漏洞。
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 ~ 8.1.8 -

II. Public POCs for CVE-2024-23488

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III. Intelligence Information for CVE-2024-23488

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Same Patch Batch · Mattermost · 2024-02-29 · 9 CVEs total

CVE-2024-23493 4.3 MEDIUM Team associated AD/LDAP Groups Leaked due to missing authorization
CVE-2024-1887 4.3 MEDIUM Public channel post content accessible without membership when compliance export is enable
CVE-2024-24988 4.3 MEDIUM Excessive resource consumption when sending long emoji names in user custom status
CVE-2024-1888 4.3 MEDIUM Existing server guests invited to the team by members without "invite_guest" permission
CVE-2024-1942 4.3 MEDIUM Mattermost 安全漏洞
CVE-2024-1953 4.3 MEDIUM Mattermost 安全漏洞
CVE-2024-1952 3.1 LOW Mattermost 安全漏洞
CVE-2024-1949 2.6 LOW Mattermost 安全漏洞

IV. Related Vulnerabilities

Same product: Mattermost
Same vendor: Mattermost
Same weakness: CWE-284

V. Comments for CVE-2024-23488

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