Overview
In the cybersecurity landscape, the CVE-2025-32321 vulnerability is a crucial concern. It presents a potential exploit in the `isSafeIntent` function of AccountTypePreferenceLoader.java, which could potentially allow unauthorized users to bypass an intent type check. This, in turn, could lead to local privilege escalation, making systems and data vulnerable to compromise, and posing a significant threat to any application or system that utilizes this function.
Vulnerability Summary
CVE ID: CVE-2025-32321
Severity: High (7.8 CVSS Score)
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
[Product A] | [All Versions < 1.0] [Product B] | [All Versions < 2.3] How the Exploit Works
The vulnerability resides within the `isSafeIntent` function of the AccountTypePreferenceLoader.java file. A confused deputy issue in this function can potentially allow an attacker to bypass an intent type check, which is integral for determining the type of action to be taken by the system. Bypassing this check enables an attacker to escalate their privileges within the system without any additional execution privileges or user interaction, which can lead to unauthorized access, system compromise, or data leakage.
Conceptual Example Code
This could be a conceptual example of how the vulnerability might be exploited:
// Create an intent with a malicious type
Intent maliciousIntent = new Intent();
maliciousIntent.setType("malicious/type");
// Bypasses the isSafeIntent check due to the confused deputy issue
boolean result = isSafeIntent(maliciousIntent);
// If the check is bypassed, the malicious intent is executed, leading to privilege escalation
if (result) {
startActivity(maliciousIntent);
}The above example is purely conceptual and simplified for illustrative purposes. Real-world exploitation might involve more complex steps or interactions.
Mitigation
To mitigate the risk posed by this vulnerability, it is advised to apply patches provided by the vendor as soon as possible. In the absence of a patch or while waiting for a patch to be released, utilizing a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can provide temporary protection. Further, regular auditing of system logs and monitoring for any suspicious activities can also assist in early detection and prevention of potential exploits.
