CVE-2023-5330— Denial of Service via Opengraph Data Cache
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，该漏洞源于在处理OpenGraph数据缓存时未能强制限制缓存条目的大小，导致攻击者可以发送特殊构造的请求到/api/v4/opengraph接口，填充缓存并使服务器无法使用。
Possible ATT&CK Techniques 1 AI
T1496 · Resource Hijacking
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I. Basic Information for CVE-2023-5330
Vulnerability Information
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Vulnerability Title
Denial of Service via Opengraph Data Cache
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost fails to enforce a limit for the size of the cache entry for OpenGraph data allowing an attacker to send a specially crafted request to the /api/v4/opengraph filling the cache and turning the server unavailable.
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 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，该漏洞源于在处理OpenGraph数据缓存时未能强制限制缓存条目的大小，导致攻击者可以发送特殊构造的请求到/api/v4/opengraph接口，填充缓存并使服务器无法使用。
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 ~ 7.8.10 | - |
|
II. Public POCs for CVE-2023-5330
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mattermost · 2023-10-09 · 3 CVEs total
| CVE-2023-5333 | 4.3 MEDIUM | Denial of Service via multiple identical User IDs in /api/v4/users/ids |
| CVE-2023-5331 | 4.3 MEDIUM | File Information Leak via IDOR in file_id in Draft Posts |
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V. Comments for CVE-2023-5330
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