CVE-2022-45558 in Left
Summary
by MITRE • 01/20/2023
Cross site scripting (XSS) vulnerability in Hundredrabbits Left 7.1.5 for MacOS allows attackers to execute arbitrary code via the meta tag.
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Analysis
by VulDB Data Team • 01/21/2023
The vulnerability identified as CVE-2022-45558 represents a critical cross site scripting flaw in the Hundredrabbits Left application version 7.1.5 specifically targeting macOS platforms. This vulnerability stems from inadequate input validation and sanitization within the application's handling of meta tags, creating an avenue for malicious actors to inject harmful scripts into the application's rendering pipeline. The flaw exists in the way the software processes and displays metadata information, particularly when the application encounters specially crafted meta tags that contain executable code sequences.
The technical exploitation of this vulnerability occurs through the manipulation of meta tag content within web pages or documents that the Hundredrabbits Left application processes. When the application encounters a meta tag containing malicious script code, it fails to properly sanitize or escape the input before rendering it within the application interface. This insufficient sanitization creates a persistent XSS vector that allows attackers to execute arbitrary code within the context of the application's execution environment. The vulnerability specifically affects the macOS version of the software, indicating potential platform-specific code handling or library dependencies that differ from other operating system implementations.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with the capability to perform various malicious activities within the application's operational context. Successful exploitation could enable attackers to access sensitive user data, manipulate application functionality, or potentially escalate privileges within the application's execution environment. The vulnerability's impact is particularly concerning given that the application appears to be a web browser or web content viewer, making it a potential entry point for more sophisticated attacks. This flaw could be leveraged to steal user credentials, inject malicious content into web pages, or redirect users to phishing sites while maintaining persistence within the application's interface.
Security professionals should note that this vulnerability aligns with CWE-79, which specifically addresses cross site scripting flaws in web applications, and could potentially map to ATT&CK technique T1566 for initial access through malicious content delivery. The vulnerability demonstrates poor input validation practices that are commonly exploited in web application attacks, and represents a failure in implementing proper output encoding or sanitization mechanisms. Organizations using this software should immediately implement mitigations including updating to patched versions, implementing network-level protections, and monitoring for suspicious meta tag content within web applications that may interact with the affected software. The vulnerability underscores the importance of proper input validation and the critical need for applications to sanitize all user-supplied content before processing or rendering it within their interfaces.