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 the affected software.
Vulnerability Summary
CVE ID: CVE-2025-32333
Severity: High – CVSS Score 7.8
Attack Vector: Local
Privileges Required: None
User Interaction: None
Impact: Local escalation of privilege, potential system compromise or data leakage
Affected Products
Share secrets securely
Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.
Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.
- • Encrypted identity
- • Private Spaces for organizations and teams
- • End-to-end encrypted chat, calls, files, and notes
- • Sensitive AI work and protected collaboration
- • Built for information that cannot leak
Our mission is to secure human work alongside AI.
Product | Affected Versions
AppSuite | All versions up to and including 2.0
AppSuite Pro | All versions up to and including 3.0
How the Exploit Works
The vulnerability stems from a logic error in the code implementation of the startSpaActivityForApp function within SpaActivity.kt. This flaw allows for cross-user permission bypass, enabling a malicious actor to escalate privileges locally without any additional execution privileges or user interaction. As such, the attacker can potentially compromise the system or cause data leakage.
Conceptual Example Code
An attacker might exploit the vulnerability in the following manner (conceptual representation):
val intent = Intent()
intent.setClassName("target.app", "target.app.SpaActivity")
intent.putExtra("EXTRA_APP_ID", maliciousAppId)
intent.putExtra("EXTRA_CALLING_PACKAGE", maliciousPackageName)
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
context.startActivity(intent)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.
Mitigation Guidance
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.