CVE-2023-23581
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I. Basic Information for CVE-2023-23581
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A denial-of-service vulnerability exists in the vpnserver EnSafeHttpHeaderValueStr functionality of SoftEther VPN 5.01.9674 and 5.02. A specially crafted network packet can lead to denial of service.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
SoftEther VPN 缓冲区错误漏洞
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版本存在缓冲区错误漏洞，该漏洞源于EnSafeHttpHeaderValueStr 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 | 5.01.9674 | - |
II. Public POCs for CVE-2023-23581
| # | POC Description | Source Link | Shenlong Link |
|---|
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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-2023-22308 | 7.5 HIGH | SoftEther VPN 数字错误漏洞 |
| CVE-2023-27516 | 7.3 HIGH | SoftEther VPN 安全漏洞 |
| CVE-2023-22325 | 5.9 MEDIUM | 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 |
IV. Related Vulnerabilities
Same weakness: CWE-125
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XML::LibXML versions through 2.0210 for Perl read out-of-bou - CVE-2026-6104
Global buffer over-read in mb_convert_encoding() with attack - CVE-2026-7258
Out-of-bounds read in urldecode() on NetBSD - CVE-2026-8186
Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out- - CVE-2026-3508
ASUS System Control Interface 缓冲区错误漏洞
V. Comments for CVE-2023-23581
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