{"id":63978,"date":"2025-08-11T12:48:29","date_gmt":"2025-08-11T12:48:29","guid":{"rendered":""},"modified":"2025-10-21T03:36:23","modified_gmt":"2025-10-21T09:36:23","slug":"cve-2024-46992-electron-asar-integrity-bypass-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2024-46992-electron-asar-integrity-bypass-vulnerability\/","title":{"rendered":"CVE-2024-46992: Electron ASAR Integrity Bypass Vulnerability<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

CVE-2024-46992 is a critical vulnerability in Electron, a popular open-source framework for developing cross-platform desktop applications using web technologies like JavaScript, HTML, and CSS. This vulnerability allows an attacker to bypass ASAR Integrity checks, potentially leading to system compromise or data leakage. This vulnerability only affects applications running on Windows<\/a> and with specific fuses enabled, marking it as a particularly targeted yet impactful threat.
\nThe severity of this issue lies in its ability to compromise systems<\/a> and leak sensitive data, making it a significant threat to any organization that uses Electron-based applications within its IT infrastructure. It’s essential to understand the nature of this vulnerability, its potential impact, and the mitigation measures to counter it effectively.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2024-46992
\nSeverity: High (7.8 CVSS Score)
\nAttack Vector: Local filesystem
\nPrivileges Required: Write access to filesystem
\nUser Interaction: None
\nImpact: Potential system<\/a> compromise or data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Electron | 30.0.0-alpha.1 to before 30.0.5
\nElectron | 31.0.0-alpha.1 to before 31.0.0-beta.1<\/p>\n

How the Exploit Works<\/strong><\/p>\n

An attacker who has write access to the local filesystem can exploit this vulnerability<\/a> by modifying files within the .app bundle. The vulnerability arises from a flaw in the Electron’s<\/a> checks for ASAR Integrity, which can be bypassed if the embeddedAsarIntegrityValidation and onlyLoadAppFromAsar fuses are enabled. This allows an attacker to modify the application files and potentially compromise the system<\/a> or leak data.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Given this vulnerability’s nature, a direct code example isn’t applicable<\/a>. However, the exploitation would conceptually involve an attacker having write access<\/a> to the filesystem and then modifying the .app bundle files. This could look something like:<\/p>\n

cd \/path\/to\/electron\/app\/\necho 'malicious code' >> somefile.asar<\/code><\/pre>\n
In the above pseudocode, an attacker with write access to the filesystem is appending malicious code to a file within the .app bundle, thereby exploiting the integrity bypass vulnerability<\/a>.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
To mitigate this vulnerability, apply the vendor-provided patch that has been released in versions 30.0.5 and 31.0.0-beta.1 of Electron. In cases where immediate patching is not feasible, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation measure. However, these are not full-proof solutions, and applying the vendor patch at the earliest is strongly recommended to secure your systems<\/a> effectively.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview CVE-2024-46992 is a critical vulnerability in Electron, a popular open-source framework for developing cross-platform desktop applications using web technologies like JavaScript, HTML, and CSS. This vulnerability allows an attacker to bypass ASAR Integrity checks, potentially leading to system compromise or data leakage. This vulnerability only affects applications running on Windows and with specific fuses […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[82],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-63978","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-microsoft"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t