SB2019012518 - Privilege escalation in Snapd
Published: January 25, 2019
Security Bulletin ID
SB2019012518
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) Privilege escalation (CVE-ID: CVE-2019-7304)
The vulnerability allows a local attacker to gain elevated privileges.The weakness exists due to a bug in the snapd API when validation and parsing the remote socket address while performing access controls on its UNIX socket. A local attacker can access privileged socket APIs and obtain administrator privileges.
Note: the vulnerability has been dubbed as 'Dirty Sock'.
Remediation
Install update from vendor's website.