SB2018020503 - Denial of service in systemd



SB2018020503 - Denial of service in systemd

Published: February 5, 2018

Security Bulletin ID SB2018020503
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Race condition (CVE-ID: CVE-2018-1049)

The vulnerability allows an adjacent attacker to cause DoS condition no the target system.

The weakness exists in GNU systemd due to an error when handling malicious input. An adjacent attacker can submit a specially crafted automount request, trigger race condition and cause the service to crash.

Remediation

Install update from vendor's website.