CVE-2022-4456 in falling-fruit
Summary
by MITRE • 12/13/2022
A vulnerability has been found in falling-fruit and classified as problematic. This vulnerability affects unknown code. The manipulation leads to cross site scripting. The attack can be initiated remotely. The name of the patch is 15adb8e1ea1f1c3e3d152fc266071f621ef0c621. It is recommended to apply a patch to fix this issue. VDB-215446 is the identifier assigned to this vulnerability.
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Analysis
by VulDB Data Team • 01/07/2023
The vulnerability identified as CVE-2022-4456 represents a cross site scripting vulnerability within the falling-fruit application, classified under the CWE-79 category for improper neutralization of input during web page generation. This security flaw exists in the application's handling of user-supplied data within the codebase, creating an avenue for malicious actors to inject and execute arbitrary script code within the context of a victim's browser session. The vulnerability's remote exploitability means that attackers can initiate the attack without requiring physical access to the target system, making it particularly dangerous in web-facing applications. The specific code paths affected remain unspecified in the public description, but the nature of the flaw indicates insufficient input validation and output encoding mechanisms within the application's data processing pipeline.
The technical exploitation of this vulnerability occurs when user-controllable input is improperly handled during the generation of web pages, allowing attackers to inject malicious scripts that execute in the context of other users' browsers. This cross site scripting flaw enables attackers to perform actions such as session hijacking, data theft, or redirection to malicious websites. The attack vector is remote, meaning that exploitation can occur through web browsers without requiring local system access, making it a significant concern for applications that process user input. The patch identified by the commit hash 15adb8e1ea1f1c3e3d152fc266071f621ef0c621 addresses the root cause by implementing proper input sanitization and output encoding mechanisms that prevent malicious script code from being executed within the browser context.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable more sophisticated attacks within the context of the ATT&CK framework's web application exploitation techniques. Attackers leveraging this vulnerability can potentially establish persistent access through session manipulation or escalate privileges within the application's user context. The vulnerability's classification as problematic indicates that it represents a significant security risk that could compromise user data and application integrity. Organizations running affected versions of falling-fruit must prioritize patch deployment to prevent potential exploitation, as the vulnerability's remote nature means that any user interacting with the application could become a victim of the attack. The patch implementation should focus on strengthening input validation controls and ensuring that all user-supplied data is properly escaped or encoded before being rendered in web page contexts.
Security teams should implement comprehensive monitoring for exploitation attempts and consider deploying web application firewalls to detect and block malicious payloads targeting this vulnerability. The patch process should include thorough regression testing to ensure that the security improvements do not introduce functional regressions in the application's legitimate features. Additionally, organizations should conduct security assessments of similar applications within their environment to identify potential vulnerabilities with similar characteristics. The vulnerability's assignment of identifier VDB-215446 indicates that it has been catalogued in vulnerability databases, making it traceable through standard security tracking mechanisms and enabling coordinated remediation efforts across affected organizations.