SB2019032110 - Ubuntu update for snapd
Published: March 21, 2019 Updated: March 28, 2019
Security Bulletin ID
SB2019032110
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
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-2019-7303)
The vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to incorrect implementation of the snapd default seccomp filter for strict mode snaps blocks on 64-bit systems that was supposed to prevent the use of the TIOCSTI ioctl. A malicious snap can bypass intended access restrictions and insert characters into the terminal’s input queue.Remediation
Install update from vendor's website.