CVE-2022-1337— OOM DoS in Mattermost image proxy
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 6.4.1 版本及更早版本存在安全漏洞，该漏洞源于图像代理组件为代理图像的多个副本分配内存，这允许经过身份验证的攻击者通过指向非常大的图像文件的链接使服务器崩溃。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-1337
Vulnerability Information
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Vulnerability Title
OOM DoS in Mattermost image proxy
Source: CVE Program / CVE List V5
Vulnerability Description
The image proxy component in Mattermost version 6.4.1 and earlier allocates memory for multiple copies of a proxied image, which allows an authenticated attacker to crash the server via links to very large image files.
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 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 6.4.1 版本及更早版本存在安全漏洞，该漏洞源于图像代理组件为代理图像的多个副本分配内存，这允许经过身份验证的攻击者通过指向非常大的图像文件的链接使服务器崩溃。
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 | 6.4 ~ 6.4.2 | - |
|
II. Public POCs for CVE-2022-1337
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2022-1337 (1)
-
https://mattermost.com/security-updates/ x_refsource_MISC
Same Patch Batch · Mattermost · 2022-04-13 · 3 CVEs total
| CVE-2022-1332 | 4.3 MEDIUM | Restricted custom admin role can bypass the restrictions and view the server logs and serv |
| CVE-2022-1333 | 3.5 LOW | A specifically drafted Playbook could trigger large amount of webhook requests leading to |
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V. Comments for CVE-2022-1337
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