CVE-2023-46739— Timing attack can leak user passwords
Quick assessment
Affected
cubefs cubefs
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.
CubeFS是CubeFS个人开发者的一种云原生文件存储。 CubeFS 3.3.1之前版本存在安全漏洞。攻击者利用该漏洞可以窃取用户密码。
Possible ATT&CK Techniques 2 AI
T1213 · Data from Information Repositories T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-46739
Vulnerability Information
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Vulnerability Title
Timing attack can leak user passwords
Source: CVE Program / CVE List V5
Vulnerability Description
CubeFS is an open-source cloud-native file storage system. A vulnerability was found during in the CubeFS master component in versions prior to 3.3.1 that could allow an untrusted attacker to steal user passwords by carrying out a timing attack. The root case of the vulnerability was that CubeFS used raw string comparison of passwords. The vulnerable part of CubeFS was the UserService of the master component. The UserService gets instantiated when starting the server of the master component. The issue has been patched in v3.3.1. For impacted users, there is no other way to mitigate the issue besides upgrading.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
CubeFS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CubeFS是CubeFS个人开发者的一种云原生文件存储。 CubeFS 3.3.1之前版本存在安全漏洞。攻击者利用该漏洞可以窃取用户密码。
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
II. Public POCs for CVE-2023-46739
| # | POC Description | Source Link | Shenlong Link |
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Patches & Fixes for CVE-2023-46739 (1)
Vendor Advisories for CVE-2023-46739 (1)
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https://github.com/cubefs/cubefs/security/advisories/GHSA-8579-7p32-f398 x_refsource_CONFIRM
Same Patch Batch · cubefs · 2024-01-03 · 5 CVEs total
| CVE-2023-46738 | 6.5 MEDIUM | Authenticated users can crash the CubeFS servers with maliciously crafted requests |
| CVE-2023-46740 | 6.5 MEDIUM | Insecure random string generator used for sensitive data |
| CVE-2023-46741 | 4.8 MEDIUM | CubeFS leaks magic secret key when starting Blobstore access service |
| CVE-2023-46742 | 4.8 MEDIUM | CubeFS leaks users key in logs |
IV. Related Vulnerabilities
V. Comments for CVE-2023-46739
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