CVE-2022-45557 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 file names.
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Analysis
by VulDB Data Team • 02/18/2023
The vulnerability identified as CVE-2022-45557 represents a critical cross site scripting flaw within the Hundredrabbits Left application version 7.1.5 specifically targeting macOS environments. This vulnerability arises from insufficient input validation and sanitization mechanisms within the application's file handling processes, creating an exploitable condition where maliciously crafted file names can be processed without proper security controls. The flaw exists in the application's user interface rendering components that fail to adequately escape or filter special characters present in file name inputs, allowing attacker-controlled data to be interpreted as executable code within the application's context.
The technical exploitation of this vulnerability occurs through the manipulation of file name parameters that are subsequently displayed within the application's graphical interface. When users interact with files containing specially crafted names containing malicious script payloads, the application fails to properly sanitize these inputs before rendering them in the user interface. This creates a classic XSS attack vector where the malicious content gets executed within the application's security context, potentially allowing attackers to execute arbitrary code on the victim's system. The vulnerability is particularly concerning as it leverages the application's legitimate file processing functionality to deliver malicious payloads, making detection more challenging.
The operational impact of this vulnerability extends beyond simple code execution capabilities to encompass potential privilege escalation and persistent threat vectors. Attackers can leverage this vulnerability to gain unauthorized access to system resources, potentially leading to complete system compromise. The attack surface is broad as any user interacting with the application could be targeted, particularly in environments where users frequently process files from untrusted sources. The vulnerability also poses significant risk in enterprise settings where the application might be used for document management or collaborative workflows, as it could enable attackers to establish footholds within organizational networks through compromised user sessions.
Mitigation strategies for CVE-2022-45557 should prioritize immediate patch deployment from the vendor, as this represents a critical security flaw requiring urgent attention. Organizations should implement network segmentation and access controls to limit exposure, while also establishing monitoring procedures to detect anomalous file processing activities. Input validation controls should be strengthened at multiple layers including application-level sanitization, web server configurations, and user interface rendering components. The vulnerability aligns with CWE-79 which specifically addresses cross site scripting flaws in application code, and maps to ATT&CK technique T1059.007 for scripting languages, as attackers can leverage this vulnerability to execute malicious scripts within the application environment. Regular security assessments should include testing for similar input validation weaknesses in file handling components, and user education programs should emphasize the importance of avoiding untrusted file interactions to minimize risk exposure.