SB2018011611 - Denial of service in tinysvcmdns



SB2018011611 - Denial of service in tinysvcmdns

Published: January 16, 2018

Security Bulletin ID SB2018011611
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2017-12130)

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

The weakness exists in the mdns_parse_qn function due to insufficient validation of user-supplied input. A remote attacker can submit a specially crafted packet to trigger NULL pointer dereference and cause the service to crash.

Remediation

Install update from vendor's website.