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CVE-2018-25241— VPN Browser+ 1.1.0.0 Denial of Service

Quick assessment

Affected
VPNBrowser VPN Browser+
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.

VPN Browser+是VPN Browser公司的一款集成虚拟专用网络功能的移动浏览器应用。 VPN Browser+ 1.1.0.0版本存在安全漏洞，该漏洞源于搜索功能未正确处理超大输入，可能导致未经身份验证的攻击者通过提交超大输入使应用程序崩溃。

CVSS 7.5 · High EPSS 0.36% · P29

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2018-25241

Vulnerability Information
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Vulnerability Title
VPN Browser+ 1.1.0.0 Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
VPN Browser+ 1.1.0.0 contains a denial of service vulnerability that allows unauthenticated attackers to crash the application by submitting oversized input through the search functionality. Attackers can paste a large buffer of characters into the search bar to trigger an unhandled exception that terminates the application.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
VPN Browser+ 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
VPN Browser+是VPN Browser公司的一款集成虚拟专用网络功能的移动浏览器应用。 VPN Browser+ 1.1.0.0版本存在安全漏洞，该漏洞源于搜索功能未正确处理超大输入，可能导致未经身份验证的攻击者通过提交超大输入使应用程序崩溃。
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
VPNBrowser VPN Browser+ 1.1.0.0 -

II. Public POCs for CVE-2018-25241

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III. Intelligence Information for CVE-2018-25241

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Vendor Advisories for CVE-2018-25241 (2)

Exploits & Public PoCs for CVE-2018-25241 (1)

IV. Related Vulnerabilities

Same weakness: CWE-306