Overview
CVE-2025-32346 is a severe cybersecurity vulnerability affecting VoicemailSettingsActivity.java that potentially leads to a system compromise or data leakage. This vulnerability can cause an escalation of privilege, allowing unauthorized access to sensitive data. Given the high severity score, it is crucial for system administrators and security professionals to understand the nature of this vulnerability and take the necessary steps for mitigation.
Vulnerability Summary
CVE ID: CVE-2025-32346
Severity: High (CVSS: 7.8)
Attack Vector: Local
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
Android OS | All versions up to latest update
Voicemail Apps | All versions that use VoicemailSettingsActivity.java
How the Exploit Works
The exploit takes advantage of a confused deputy problem in onActivityResult of VoicemailSettingsActivity.java. This issue could lead to a local escalation of privilege, making it possible for an attacker to gain unauthorized access to the work profile contact number. The exploit does not require any additional execution privileges or user interaction, making it especially dangerous.
Conceptual Example Code
While this is merely conceptual and not actual exploit code, the following is an example of how the vulnerability might be exploited:
// Create a malicious Intent
Intent maliciousIntent = new Intent();
maliciousIntent.setClass(this, VoicemailSettingsActivity.class);
// Trigger onActivityResult with malicious request code and data
startActivityForResult(maliciousIntent, MALICIOUS_REQUEST_CODE);This code might deceive the VoicemailSettingsActivity into returning sensitive contact information, which the malicious app could then intercept and misuse. It’s crucial to apply the recommended mitigations to avoid such a scenario.
Mitigation Guidance
To mitigate the risk posed by this vulnerability, apply the vendor patch as soon as it becomes available. If the patch is not immediately available, using Web Application Firewall (WAF) or Intrusion Detection System (IDS) can offer temporary protection. Regularly updating your systems and applications, combined with a robust cybersecurity strategy, can reduce the risk of exploitation.
