SB2020022021 - Multiple vulnerabilities in FreeBSD



SB2020022021 - Multiple vulnerabilities in FreeBSD

Published: February 20, 2020 Updated: July 17, 2020

Security Bulletin ID SB2020022021
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
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 2 secuirty vulnerabilities.


1) Resource exhaustion (CVE-ID: CVE-2012-5363)

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

The IPv6 implementation in FreeBSD and NetBSD (unknown versions, year 2012 and earlier) allows remote attackers to cause a denial of service via a flood of ICMPv6 Neighbor Solicitation messages, a different vulnerability than CVE-2011-2393.


2) Resource exhaustion (CVE-ID: CVE-2012-5365)

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

The IPv6 implementation in FreeBSD and NetBSD (unknown versions, year 2012 and earlier) allows remote attackers to cause a denial of service via a flood of ICMPv6 Router Advertisement packets containing multiple Routing entries.


Remediation

Install update from vendor's website.