SB2018022012 - Ubuntu update for Bind



SB2018022012 - Ubuntu update for Bind

Published: February 20, 2018

Security Bulletin ID SB2018022012
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote 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) Improper input validation (CVE-ID: CVE-2018-5735)

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

The weakness exists in 'validator.c' in BIND on Ubuntu due to insufficient validation of user-supplied input. A remote attacker can return a specially crafted DNS and cause the service to crash.

Remediation

Install update from vendor's website.