CVE-2020-0430 : What You Need to Know
Learn about CVE-2020-0430 affecting Android kernel, allowing local privilege escalation. Find mitigation steps and importance of patching to secure systems.
Android kernel is susceptible to an elevation of privilege vulnerability due to an out-of-bounds read in skb_headlen of /include/linux/skbuff.h. This could result in local escalation of privilege without requiring additional execution privileges. The issue, assigned CVE-2020-0430, was identified by security@android.com and published on 2020-09-17.
Understanding CVE-2020-0430
This CVE affects Android systems, specifically the Android kernel, leading to a critical elevation of privilege vulnerability.
What is CVE-2020-0430?
This vulnerability stems from a possible out-of-bounds read in skb_headlen of /include/linux/skbuff.h within the Android kernel. It allows attackers to gain escalated privileges locally without additional execution rights.
The Impact of CVE-2020-0430
The exploitation of this vulnerability can result in a local escalation of privilege, posing a significant security risk to affected Android systems.
Technical Details of CVE-2020-0430
The technical details shed light on the vulnerability's specifics.
Vulnerability Description
The vulnerability lies in an out-of-bounds read in skb_headlen of /include/linux/skbuff.h within the Android kernel, enabling local escalation of privilege.
Affected Systems and Versions
- Product: Android
- Versions: Android kernel
Exploitation Mechanism
- Attackers can exploit the out-of-bounds read to corrupt memory and elevate privileges locally on Android devices without the need for user interaction.
Mitigation and Prevention
To address CVE-2020-0430, users and organizations should take immediate steps and adopt long-term security practices.
Immediate Steps to Take
- Apply security patches promptly to mitigate the vulnerability.
- Monitor vendor security bulletins for relevant updates.
Long-Term Security Practices
- Regularly update and patch systems to prevent security vulnerabilities.
- Implement robust security measures and access controls to limit privilege escalation.
Patching and Updates
- Stay informed about security updates and apply patches from the respective vendors promptly.