Learn about CVE-2021-0667 involving memory corruption in apusys, leading to local privilege escalation without user interaction. Follow mitigation steps to secure your system.
In apusys, there is a possible memory corruption due to a use after free, leading to local escalation of privilege. This vulnerability requires System execution privileges and can be exploited without user interaction. Patch ID: ALPS05670581; Issue ID: ALPS05670581.
Understanding CVE-2021-0667
This section dives into the details of CVE-2021-0667.
What is CVE-2021-0667?
CVE-2021-0667 involves a memory corruption vulnerability in apusys, potentially resulting in local privilege escalation.
The Impact of CVE-2021-0667
The vulnerability allows attackers to escalate privileges locally without requiring user interaction, posing a significant security risk.
Technical Details of CVE-2021-0667
This section covers the technical aspects of CVE-2021-0667.
Vulnerability Description
The vulnerability stems from a use after free scenario in apusys, facilitating memory corruption and subsequent privilege escalation.
Affected Systems and Versions
Products affected include MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT9636, MT9638, MT9639, MT9650, MT9652, MT9669, MT9686, MT9970, MT9980, MT9981 running Android 10.0 and 11.0.
Exploitation Mechanism
The exploit can be carried out locally without the need for user interaction, making it particularly dangerous.
Mitigation and Prevention
Explore measures to mitigate the CVE-2021-0667 vulnerability.
Immediate Steps to Take
Users should apply the provided patch ID: ALPS05670581 to safeguard against this vulnerability.
Long-Term Security Practices
Implement robust security practices to prevent similar exploits and enhance overall system security.
Patching and Updates
Stay informed about security updates and ensure prompt installation of patches to protect against known vulnerabilities.