SB2019050817 - Permissions, Privileges, and Access Controls in Google, Google Android
Published: May 8, 2019 Updated: August 8, 2020
Security Bulletin ID
SB2019050817
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-2054)
The vulnerability allows a local authenticated user to execute arbitrary code.
In the seccomp implementation prior to kernel version 4.8, there is a possible seccomp bypass due to seccomp policies that allow the use of ptrace. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-119769499
Remediation
Install update from vendor's website.
References
- http://packetstormsecurity.com/files/153799/Kernel-Live-Patch-Security-Notice-LSN-0053-1.html
- http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html
- https://source.android.com/security/bulletin/2019-05-01
- https://usn.ubuntu.com/4076-1/
- https://usn.ubuntu.com/4095-2/