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I. Basic Information for CVE-2021-40835
Vulnerability Information

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Vulnerability Title
URL Address Bar Spoofing in F-Secure SAFE Browser for iOS
Source: NVD (National Vulnerability Database)
Vulnerability Description
An URL Address bar spoofing vulnerability was discovered in Safe Browser for iOS. When user clicks on a specially crafted a malicious URL, if user does not carefully pay attention to url, user may be tricked to think content may be coming from a valid domain, while it comes from another. This is performed by using a very long username part of the url so that user cannot see the domain name. A remote attacker can leverage this to perform url address bar spoofing attack. The fix is, browser no longer shows the user name part in address bar.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
F-Secure Safe Browser 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
F-Secure Safe Browser是芬兰F-Secure公司的一款互联网安全浏览器。用于实时阻止病毒、木马、勒索软件和其他威胁。 F-Secure Safe Browser for iOS 存在安全漏洞,该漏洞源于在 Safe Browser for iOS 中发现了 URL 地址栏欺骗漏洞。 当用户点击一个特制的恶意 URL 时,如果用户不仔细注意 url,用户可能会被欺骗认为内容可能来自一个有效的域,而它来自另一个域。 这是通过使用非常长的 url 用户名部分来执行的,因此用户无法看到域名。
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
VendorProductAffected VersionsCPESubscribe
F-SecureF-Secure Mobile Security 18.3 ~ 18.5 -
II. Public POCs for CVE-2021-40835
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III. Intelligence Information for CVE-2021-40835
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IV. Related Vulnerabilities
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