CVE-2022-20462 poses a local privilege escalation risk on Android versions 10 through 13. Learn about the impact, technical details, and mitigation steps here.
A vulnerability in phNxpNciHal_write_unlocked of phNxpNciHal.cc has been identified, potentially leading to local privilege escalation on Android devices without the need for user interaction.
Understanding CVE-2022-20462
This section delves into the nature of the CVE-2022-20462 vulnerability and its implications.
What is CVE-2022-20462?
The CVE-2022-20462 vulnerability arises from a missing bounds check in phNxpNciHal_write_unlocked of phNxpNciHal.cc, presenting an opportunity for an out-of-bounds write. This flaw could be exploited to achieve local privilege escalation.
The Impact of CVE-2022-20462
The impact of this vulnerability is the potential elevation of privilege on affected Android devices, including versions Android-10 through Android-13. Notably, successful exploitation does not require any additional execution privileges or user interaction.
Technical Details of CVE-2022-20462
Explore the technical aspects of CVE-2022-20462 to better understand its vulnerability profile.
Vulnerability Description
The vulnerability is rooted in the lack of a necessary bounds check in phNxpNciHal_write_unlocked, enabling unauthorized out-of-bounds write operations.
Affected Systems and Versions
Android systems running versions Android-10 through Android-13 are susceptible to CVE-2022-20462 and are categorized as 'affected'.
Exploitation Mechanism
Exploiting this vulnerability could potentially result in local privilege escalation without requiring any user interaction.
Mitigation and Prevention
Discover the steps to mitigate the risk posed by CVE-2022-20462 and prevent its exploitation.
Immediate Steps to Take
Immediate remediation includes implementing security measures to prevent unauthorized privilege escalation on Android devices.
Long-Term Security Practices
Implementing robust security protocols and maintaining a proactive stance on security updates are essential for long-term protection against vulnerabilities.
Patching and Updates
Regularly applying patches and updates provided by Android authorities is crucial to address CVE-2022-20462 and enhance overall system security.