CVE-2023-5969— Denial of Service via Link Preview in /api/v4/redirect_location
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，该漏洞源于未能正确清除对/api/v4/redirect_location的请求，导致攻击者可以通过发送特制的请求来填充内存。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-5969
Vulnerability Information
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Vulnerability Title
Denial of Service via Link Preview in /api/v4/redirect_location
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost fails to properly sanitize the request to /api/v4/redirect_location allowing an attacker, sending a specially crafted request to /api/v4/redirect_location, to fill up the memory due to caching large items.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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 资源管理错误漏洞
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，该漏洞源于未能正确清除对/api/v4/redirect_location的请求，导致攻击者可以通过发送特制的请求来填充内存。
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 ~ 7.8.11 | - |
|
II. Public POCs for CVE-2023-5969
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · Mattermost · 2023-11-06 · 3 CVEs total
| CVE-2023-5968 | 4.9 MEDIUM | Password hash in response body after username update |
| CVE-2023-5967 | 4.3 MEDIUM | Denial of Service via crashing the Calls Plugin |
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V. Comments for CVE-2023-5969
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