Overview
A high-severity vulnerability, CVE-2025-48531, has been identified within the CredentialStorage system. This vulnerability may enable a potential attacker to perform a local privilege escalation without any additional execution privileges. This exploit does not require any user interaction, making it a significant cybersecurity concern and a potential gateway to system compromise or data leakage.
Vulnerability Summary
CVE ID: CVE-2025-48531
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
CredentialStorage | All versions up to the patch
How the Exploit Works
The exploit leverages a logic error in the implementation of getCallingPackageName function in CredentialStorage. This flaw allows an attacker to bypass permissions, potentially leading to local escalation of privilege. Once the privilege level is escalated, the attacker could gain unauthorized access to sensitive data or control over the system.
Conceptual Example Code
The following is a conceptual example of how the vulnerability might be exploited. This is a pseudocode representation and is not intended to be a working exploit.
public class Exploit {
public static void main(String[] args) {
CredentialStorage cs = getCredentialStorageInstance();
cs.getCallingPackageName("malicious_app");
}
}In the above pseudocode, the exploit attempts to call the `getCallingPackageName` function with a malicious app package name. If the system is vulnerable, this can lead to a privilege escalation.
Mitigation Guidance
To mitigate the risk associated with this vulnerability, users are advised to apply the vendor patch immediately once it becomes available. If the patch is not yet ready, temporary mitigation can be achieved by using a Web Application Firewall (WAF) or Intrusion Detection System (IDS). These systems can monitor and block suspicious activities, thus minimizing the potential for exploitation.
