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CVE-2022-4768— Dropbox merou SSH Public Key public_key.py add_public_key injection

Quick assessment

Affected
Dropbox merou
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.

Dropbox Merou是Dropbox开源的一个允许用户创建和管理自己组成员资格的应用程序。 Dropbox Merou 存在注入漏洞，该漏洞源于组件SSH Public Key Handler中grouper/public_key.py文件的add_public_key函数存在问题，对参数public_key_str的操作会导致注入。

CVSS 6.3 · Medium EPSS 0.67% · P49

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-4768

Vulnerability Information
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Vulnerability Title
Dropbox merou SSH Public Key public_key.py add_public_key injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Dropbox merou. It has been classified as critical. Affected is the function add_public_key of the file grouper/public_key.py of the component SSH Public Key Handler. The manipulation of the argument public_key_str leads to injection. It is possible to launch the attack remotely. The name of the patch is d93087973afa26bc0a2d0a5eb5c0fde748bdd107. It is recommended to apply a patch to fix this issue. VDB-216906 is the identifier assigned to this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Dropbox Merou 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dropbox Merou是Dropbox开源的一个允许用户创建和管理自己组成员资格的应用程序。 Dropbox Merou 存在注入漏洞，该漏洞源于组件SSH Public Key Handler中grouper/public_key.py文件的add_public_key函数存在问题，对参数public_key_str的操作会导致注入。
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
Dropbox merou n/a -

II. Public POCs for CVE-2022-4768

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III. Intelligence Information for CVE-2022-4768

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Patches & Fixes for CVE-2022-4768 (2)

Vendor Advisories for CVE-2022-4768 (2)

IV. Related Vulnerabilities

Same vendor: Dropbox
Same weakness: CWE-74

V. Comments for CVE-2022-4768

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