CVE-2020-0464 : Exploit Details and Defense Strategies
Learn about the CVE-2020-0464 vulnerability impacting Android-10, allowing unauthorized disclosure of sensitive information. Find mitigation steps and patching recommendations here.
Android-10 Resolv_Cache_Lookup Side Channel Information Disclosure Vulnerability
Understanding CVE-2020-0464
What is CVE-2020-0464?
The CVE-2020-0464 vulnerability involves a potential side channel information disclosure in resolv_cache_lookup of res_cache.cpp. This could result in local information disclosure of accessed web resources without requiring additional execution privileges or user interaction.
The Impact of CVE-2020-0464
The vulnerability could lead to the exposure of sensitive information stored in web resources accessed on Android-10 devices.
Technical Details of CVE-2020-0464
Vulnerability Description
The flaw in resolv_cache_lookup of res_cache.cpp enables an attacker to obtain unauthorized access to web resources, leading to potential information disclosure.
Affected Systems and Versions
- Product: Android
- Version: Android-10
Exploitation Mechanism
The vulnerability can be exploited locally, without the need for additional user interaction or elevated privileges.
Mitigation and Prevention
Immediate Steps to Take
- Implement security patches provided by the vendor promptly.
- Monitor for any unusual activity that might indicate exploitation of the vulnerability.
Long-Term Security Practices
- Regularly update and patch systems to prevent exposure to known vulnerabilities.
- Employ security measures like network segmentation and access controls to reduce the attack surface.
Patching and Updates
Apply security patches released by Android to address and mitigate the CVE-2020-0464 vulnerability.