SB2018091206 - Debian update for mgetty
Published: September 12, 2018 Updated: October 10, 2018
Security Bulletin ID
SB2018091206
CSH 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 vulnerability.
1) OS Command Injection (CVE-ID: CVE-2018-16741)
The vulnerability allows a local user to execute arbitrary shell commands on the target system.
The vulnerability exists within mgetty before 1.2.1. In fax/faxq-helper.c, the function do_activate() due to improper sanitization of shell metacharacters. A local user can use ||, &&, or > characters within a file created by the "faxq-helper activate <jobid>" command to execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.