CVE-2018-0560 in Bookmark App
Summary
by MITRE
Hatena Bookmark App for iOS Version 3.0 to 3.70 allows remote attackers to spoof the address bar via vectors related to URL display.
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Analysis
by VulDB Data Team • 01/25/2020
The vulnerability described in CVE-2018-0560 affects the Hatena Bookmark App for iOS versions 3.0 through 3.70, representing a significant security flaw in mobile application URL handling and user interface presentation. This issue falls under the category of user interface spoofing attacks where malicious actors can manipulate the visual representation of web addresses displayed to users. The vulnerability specifically targets the address bar functionality within the iOS application, which serves as a critical security indicator for users to verify website authenticity and legitimacy. When exploited, this flaw allows remote attackers to present misleading URL information that can deceive users into believing they are visiting legitimate websites when they are actually interacting with malicious domains.
The technical implementation of this vulnerability stems from improper URL parsing and display mechanisms within the application's web rendering engine. Attackers can craft specially formatted URLs or manipulate web content in such a way that the application's address bar displays falsified information while the actual underlying connection remains compromised. This type of vulnerability typically involves weaknesses in input validation, URL normalization, or secure display protocols that should prevent such manipulations. The flaw demonstrates a failure in the application's security architecture to properly validate and sanitize URL information before presenting it to end users, creating a trust boundary violation that undermines the fundamental security expectations of web browsing applications.
The operational impact of CVE-2018-0560 extends beyond simple phishing attacks, as it represents a sophisticated method for bypassing user security awareness and application security controls. Mobile users who rely on the address bar as a verification mechanism for website legitimacy may be deceived into sharing sensitive information, downloading malicious content, or performing financial transactions with compromised entities. The vulnerability affects a substantial user base given the widespread use of Hatena Bookmark applications for web navigation and social bookmarking activities. This flaw particularly impacts users who may not possess advanced technical knowledge to detect such spoofing attempts, making it a significant concern for both individual privacy and corporate security environments where mobile applications are extensively used.
Security mitigations for this vulnerability should focus on implementing robust URL validation and sanitization mechanisms within the application's web rendering components. Developers must ensure that URL display functionality properly normalizes and validates all presented addresses, implementing strict checks against potentially malicious or misleading URL formats. The fix should incorporate secure display protocols that prevent manipulation of address bar content while maintaining proper user interface functionality. Organizations should also consider implementing additional security layers such as certificate pinning, enhanced URL parsing, and regular security audits of mobile application components. This vulnerability aligns with CWE-601 and CWE-79 security weaknesses, specifically addressing URL redirection vulnerabilities and cross-site scripting concerns that can lead to user deception and security breaches. The remediation approach should follow established security practices outlined in the ATT&CK framework for mobile application security, emphasizing the protection of user interface elements that serve as critical security indicators in mobile environments.