SB2020040303 - Privilege escalation in Bubblewrap
Published: April 3, 2020
Security Bulletin ID
SB2020040303
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote 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-2020-5291)
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists within the "bwrap --userns2" option if the affected software is installed in setuid mode and the kernel supports unprivileged user namespaces. A remote authenticated attacker can gain root privileges on the target system.
Remediation
Install update from vendor's website.