SB2018072615 - Denial of service in Nagios



SB2018072615 - Denial of service in Nagios

Published: July 26, 2018

Security Bulletin ID SB2018072615
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
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) Null pointer dereference (CVE-ID: CVE-2018-13441)

The vulnerability allows a local attacker to cause DoS condition on the target system.

The vulnerability exists in qh_help due to an error when handling malicious input. A local attacker can send a specially crafted payload to the listening UNIX socket, trigger NULL pointer dereference and cause the service to crash.


Remediation

Install update from vendor's website.