CVE-2023-22325
Quick assessment
Affected
SoftEther VPN SoftEther VPN
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.
SoftEther VPN是一款开源的跨平台多协议VPN（虚拟专用网络）应用程序。 SoftEther VPN 5.01.9674 和 5.02 版本存在安全漏洞，该漏洞源于DCRegister DDNS_RPC_MAX_RECV_SIZE 函数中存在拒绝服务漏洞，攻击者利用该漏洞可以发送特制的网络数据包导致拒绝服务。
Possible ATT&CK Techniques 1 AI
T1498 · Network Denial of Service
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I. Basic Information for CVE-2023-22325
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A denial of service vulnerability exists in the DCRegister DDNS_RPC_MAX_RECV_SIZE functionality of SoftEther VPN 4.41-9782-beta, 5.01.9674 and 5.02. A specially crafted network packet can lead to denial of service. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: CVE Program / CVE List V5
Vulnerability Title
SoftEther VPN 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SoftEther VPN是一款开源的跨平台多协议VPN（虚拟专用网络）应用程序。 SoftEther VPN 5.01.9674 和 5.02 版本存在安全漏洞，该漏洞源于DCRegister DDNS_RPC_MAX_RECV_SIZE 函数中存在拒绝服务漏洞，攻击者利用该漏洞可以发送特制的网络数据包导致拒绝服务。
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 |
|---|---|---|---|---|
| SoftEther VPN | SoftEther VPN | 4.41-9782-beta | - |
|
II. Public POCs for CVE-2023-22325
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2023-22325 (2)
Same Patch Batch · SoftEther VPN · 2023-10-12 · 9 CVEs total
| CVE-2023-27395 | 9.0 CRITICAL | SoftEther VPN 缓冲区错误漏洞 |
| CVE-2023-32634 | 7.8 HIGH | SoftEther VPN 安全漏洞 |
| CVE-2023-25774 | 7.5 HIGH | SoftEther VPN 资源管理错误漏洞 |
| CVE-2023-23581 | 7.5 HIGH | SoftEther VPN 缓冲区错误漏洞 |
| CVE-2023-22308 | 7.5 HIGH | SoftEther VPN 数字错误漏洞 |
| CVE-2023-27516 | 7.3 HIGH | SoftEther VPN 安全漏洞 |
| CVE-2023-32275 | 5.5 MEDIUM | SoftEther VPN 信息泄露漏洞 |
| CVE-2023-31192 | 5.3 MEDIUM | SoftEther VPN 信息泄露漏洞 |
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V. Comments for CVE-2023-22325
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