CVE-2022-4735 in dash-live
Summary
by MITRE • 12/25/2022
A vulnerability classified as problematic was found in asrashley dash-live. This vulnerability affects the function ready of the file static/js/media.js of the component DOM Node Handler. The manipulation leads to cross site scripting. The attack can be initiated remotely. The name of the patch is 24d01757a5319cc14c4aa1d8b53d1ab24d48e451. It is recommended to apply a patch to fix this issue. VDB-216766 is the identifier assigned to this vulnerability.
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Analysis
by VulDB Data Team • 01/24/2023
The vulnerability identified as CVE-2022-4735 represents a cross site scripting flaw within the dash-live application developed by asrashley. This security weakness resides in the static/js/media.js file, specifically within the ready function of the DOM Node Handler component. The vulnerability classification as problematic indicates a significant security risk that requires immediate attention. The flaw allows malicious actors to inject arbitrary JavaScript code into web pages viewed by users, potentially leading to unauthorized access, data theft, or complete system compromise.
The technical implementation of this vulnerability occurs through the manipulation of the DOM Node Handler's ready function, which is responsible for initializing and managing media elements within the application's user interface. When the application processes user input or dynamic content through this particular function, it fails to properly sanitize or escape potentially malicious script content before rendering it in the browser environment. This failure creates an opportunity for attackers to execute arbitrary code within the context of the victim's browser session, bypassing normal security restrictions that protect against such attacks.
The operational impact of this vulnerability is substantial given its remote exploitability and the nature of cross site scripting attacks. An attacker can leverage this flaw by crafting malicious input that gets processed through the vulnerable ready function, subsequently executing malicious scripts in the victim's browser. This could result in session hijacking, credential theft, defacement of web content, or redirection to malicious sites. The attack vector being remote means that exploitation does not require physical access to the target system, making it particularly dangerous in web applications where users interact with dynamic content.
The patch referenced in the vulnerability description, identified by the commit hash 24d01757a5319cc14c4aa1d8b53d1ab24d48e451, addresses this specific XSS vulnerability by implementing proper input sanitization and output encoding mechanisms. The fix likely involves ensuring that all user-provided data processed through the DOM Node Handler's ready function is properly escaped or sanitized before being rendered in the browser environment. This approach aligns with established security practices for preventing cross site scripting attacks and follows the principle of least privilege in input validation. Organizations should prioritize applying this patch to maintain the security integrity of their dash-live applications and protect against potential exploitation attempts. The vulnerability's assignment of identifier VDB-216766 further emphasizes its recognition within security databases and the importance of addressing it through proper patch management procedures.
This vulnerability type maps directly to CWE-79, which specifically addresses cross site scripting flaws in web applications. The ATT&CK framework would categorize this under T1566, specifically T1566.001 for credential access through social engineering, as attackers could leverage this vulnerability to harvest user credentials or session tokens. The remote nature of the attack aligns with ATT&CK technique T1190 for exploiting vulnerabilities in remote services, making this a critical vulnerability that requires immediate remediation to prevent potential compromise of user data and system integrity.