SB2011013101 - Input validation error in ISC Dhcp



SB2011013101 - Input validation error in ISC Dhcp

Published: January 31, 2011 Updated: August 11, 2020

Security Bulletin ID SB2011013101
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2011-0413)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The DHCPv6 server in ISC DHCP 4.0.x and 4.1.x before 4.1.2-P1, 4.0-ESV and 4.1-ESV before 4.1-ESV-R1, and 4.2.x before 4.2.1b1 allows remote attackers to cause a denial of service (assertion failure and daemon crash) by sending a message over IPv6 for a declined and abandoned address.


Remediation

Install update from vendor's website.