SB2018022703 - Denial of service when handling IPv6 packets in MikroTik RouterOS



SB2018022703 - Denial of service when handling IPv6 packets in MikroTik RouterOS

Published: February 27, 2018

Security Bulletin ID SB2018022703
CSH 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 vulnerability.


1) Memory corruption (CVE-ID: N/A)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to boundary error error within IKE1 implementation when handling IPv6 packets. A remote attacker can send a series of specially crafted packets and trigger memory corruption.

Successful exploitation of the vulnerability may result in denial of service (DoS) attack.



Remediation

Install update from vendor's website.