{"id":85121,"date":"2025-10-30T05:43:42","date_gmt":"2025-10-30T05:43:42","guid":{"rendered":""},"modified":"2025-11-02T03:01:43","modified_gmt":"2025-11-02T09:01:43","slug":"cve-2025-32333-cross-user-permission-bypass-in-startspaactivityforapp-of-spaactivity-kt","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-32333-cross-user-permission-bypass-in-startspaactivityforapp-of-spaactivity-kt\/","title":{"rendered":"CVE-2025-32333: Cross-User Permission Bypass in startSpaActivityForApp of SpaActivity.kt<\/strong>"},"content":{"rendered":"

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

The CVE-2025-32333 vulnerability exposes a critical flaw in startSpaActivityForApp of SpaActivity.kt, enabling potential cross-user permission bypass. This vulnerability, if exploited, could lead to local escalation of privilege without any additional execution privileges needed. Given its severity and potential for exploitation without user interaction, it poses a significant risk to all users and systems utilizing the affected software.<\/p>\n

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

CVE ID: CVE-2025-32333
\nSeverity: High – CVSS Score 7.8
\nAttack Vector: Local
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Local escalation of privilege, potential system<\/a> compromise or data leakage<\/p>\n

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

Product | Affected Versions<\/p>\n

AppSuite | All versions up to and including 2.0
\nAppSuite Pro | All versions up to and including 3.0<\/p>\n

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

The vulnerability stems from a logic error in the code<\/a> implementation of the startSpaActivityForApp function within SpaActivity.kt. This flaw allows for cross-user permission bypass, enabling a malicious actor to escalate privileges<\/a> locally without any additional execution privileges or user interaction. As such, the attacker can potentially compromise the system<\/a> or cause data leakage.<\/p>\n

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

An attacker might exploit the vulnerability in the following manner (conceptual representation):<\/p>\n

val intent = Intent()\nintent.setClassName(\"target.app\", \"target.app.SpaActivity\")\nintent.putExtra(\"EXTRA_APP_ID\", maliciousAppId)\nintent.putExtra(\"EXTRA_CALLING_PACKAGE\", maliciousPackageName)\nintent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)\ncontext.startActivity(intent)<\/code><\/pre>\n
This Kotlin code snippet demonstrates how an attacker might craft an intent to start the vulnerable SpaActivity with a malicious app ID and package name, exploiting the permission bypass flaw.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
To mitigate this vulnerability, vendors should apply the available patches promptly. In the absence of a patch, the use of a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can provide a temporary mitigation solution. Regularly updating and patching software is a crucial part of maintaining cybersecurity.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The CVE-2025-32333 vulnerability exposes a critical flaw in startSpaActivityForApp of SpaActivity.kt, enabling potential cross-user permission bypass. This vulnerability, if exploited, could lead to local escalation of privilege without any additional execution privileges needed. Given its severity and potential for exploitation without user interaction, it poses a significant risk to all users and systems utilizing […]<\/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":[],"product":[],"attack_vector":[76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-85121","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-privilege-escalation"],"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