CVE-2023-43754— Permalink previews displayed for posts in archived channels even if users are disallowed to view archived channels
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I. Basic Information for CVE-2023-43754
Vulnerability Information
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Vulnerability Title
Permalink previews displayed for posts in archived channels even if users are disallowed to view archived channels
Source: NVD (National Vulnerability Database)
Vulnerability Description
Mattermost fails to check whether the “Allow users to view archived channels” setting is enabled during permalink previews display, allowing members to view permalink previews of archived channels even if the “Allow users to view archived channels” setting is disabled.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
Source: NVD (National Vulnerability Database)
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 存在安全漏洞，该漏洞源于无法检查在永久链接预览显示期间是否启用“Allow users to view archived channels”设置，即使禁用“Allow users to view archived channels”设置，也允许成员查看存档频道的永久链接预览。
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 ~ 7.8.12 | - |
II. Public POCs for CVE-2023-43754
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mattermost · 2023-11-27 · 9 CVEs total
| CVE-2023-47168 | 4.3 MEDIUM | Open redirect in /oauth/<service>/mobile_login?redirect_to= |
| CVE-2023-6202 | 4.3 MEDIUM | Insecure Direct Object Reference in /plugins/focalboard/ api/v2/users of Mattermost Boards |
| CVE-2023-48369 | 4.3 MEDIUM | Log Flooding due to specially crafted requests in different endpoints |
| CVE-2023-40703 | 4.3 MEDIUM | Denial of Service via specially crafted block fields in Mattermost Boards |
| CVE-2023-48268 | 4.3 MEDIUM | Denial of Service via Board Import Zip Bomb |
| CVE-2023-45223 | 4.3 MEDIUM | Users full name disclosure through Mattermost Boards with Show Full Name Option disabled |
| CVE-2023-47865 | 4.3 MEDIUM | Username and Icon override can be used by members when Hardened Mode is enabled |
| CVE-2023-35075 | 3.1 LOW | HTML injection via channel autocomplete |
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Same weakness: CWE-200
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