SB2020010330 - Missing Authentication for Critical Function in supervisor (Alpine package)
Published: January 3, 2020
Security Bulletin ID
SB2020010330
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Missing Authentication for Critical Function (CVE-ID: CVE-2019-12105)
The vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.
** DISPUTED ** In Supervisor through 4.0.2, an unauthenticated user can read log files or restart a service. Note: The maintainer responded that the affected component, inet_http_server, is not enabled by default but if the user enables it and does not set a password, Supervisor logs a warning message. The maintainer indicated the ability to run an open server will not be removed but an additional warning was added to the documentation.
Remediation
Install update from vendor's website.