CVE-2021-32508— QSAN Storage Manager - UNIX Symbolic Link (Symlink) Following via FileStreaming function
Quick assessment
Affected
QSAN Storage Manager
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.
QSAN Storage Manager是广盛科技股份有限公司（QSAN）的一个NAS操作系统。 QSAN Storage Manager 存在后置链接漏洞，远程攻击者可以通过在Url路径参数后注入符号链接来访问任意文件。
Possible ATT&CK Techniques 3 AI
T1135 · Network Share Discovery T1083 · File and Directory Discovery T1564.004 · NTFS File Attributes
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I. Basic Information for CVE-2021-32508
Vulnerability Information
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Vulnerability Title
QSAN Storage Manager - UNIX Symbolic Link (Symlink) Following via FileStreaming function
Source: CVE Program / CVE List V5
Vulnerability Description
Absolute Path Traversal vulnerability in FileStreaming in QSAN Storage Manager allows remote authenticated attackers access arbitrary files by injecting the Symbolic Link following the Url path parameter. The referred vulnerability has been solved with the updated version of QSAN Storage Manager v3.3.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-61
Source: CVE Program / CVE List V5
Vulnerability Title
QSAN Storage Manager 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QSAN Storage Manager是广盛科技股份有限公司（QSAN）的一个NAS操作系统。 QSAN Storage Manager 存在后置链接漏洞，远程攻击者可以通过在Url路径参数后注入符号链接来访问任意文件。
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 |
|---|---|---|---|---|
| QSAN | Storage Manager | unspecified ~ 3.3.1 | - |
|
II. Public POCs for CVE-2021-32508
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-32508 (1)
-
https://www.twcert.org.tw/tw/cp-132-4864-94df4-1.html x_refsource_MISC
Same Patch Batch · QSAN · 2021-07-07 · 30 CVEs total
| CVE-2021-32535 | 9.8 CRITICAL | QSAN SANOS - Use of Hard-coded Credentials |
| CVE-2021-32534 | 9.8 CRITICAL | QSAN SANOS - Command Injection |
| CVE-2021-32533 | 9.8 CRITICAL | QSAN SANOS - Command Injection |
| CVE-2021-32529 | 9.8 CRITICAL | QSAN XEVO, SANOS - Command Injection -1 |
| CVE-2021-32512 | 9.8 CRITICAL | QSAN Storage Manager - Command Injection Following via QuickInstall function |
| CVE-2021-32513 | 9.8 CRITICAL | QSAN Storage Manager - Command Injection Following via QsanTorture function |
| CVE-2021-32531 | 9.8 CRITICAL | QSAN XEVO - Command Injection Following via Init function |
| CVE-2021-32522 | 9.8 CRITICAL | QSAN Storage Manager, XEVO, SANOS - Improper Restriction of Excessive Authentication Attem |
| CVE-2021-32519 | 9.8 CRITICAL | QSAN Storage Manager, XEVO, SANOS - Use of Password Hash With Insufficient Computational E |
| CVE-2021-32520 | 9.8 CRITICAL | QSAN Storage Manager - Use of Hard-coded Cryptographic Key |
| CVE-2021-32530 | 9.8 CRITICAL | QSAN XEVO - Command Injection Following via Array function |
| CVE-2021-32525 | 9.1 CRITICAL | QSAN Storage Manager - Use of Hard-coded Password-2 |
| CVE-2021-32524 | 9.1 CRITICAL | QSAN Storage Manager - Command Injection-3 |
| CVE-2021-32523 | 9.1 CRITICAL | QSAN Storage Manager - Improper Authorization |
| CVE-2021-32527 | 7.5 HIGH | QSAN Storage Manager - Path Traversal-2 |
| CVE-2021-32518 | 7.5 HIGH | QSAN Storage Manager - UNIX Symbolic Link (Symlink) Following |
| CVE-2021-32517 | 7.5 HIGH | QSAN Storage Manager - Improper Access Control |
| CVE-2021-32516 | 7.5 HIGH | QSAN Storage Manager - Path Traversal |
| CVE-2021-32514 | 7.5 HIGH | QSAN Storage Manager - Improper Access Control Following via FirwareUpgrade function |
| CVE-2021-32532 | 7.5 HIGH | QSAN XEVO - Path Traversal |
Showing top 20 of 30 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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Same weakness: CWE-61
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V. Comments for CVE-2021-32508
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