SB2022012005 - Denial of service in Huawei CloudEngine products



SB2022012005 - Denial of service in Huawei CloudEngine products

Published: January 20, 2022

Security Bulletin ID SB2022012005
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) Release of invalid pointer or reference (CVE-ID: CVE-2021-40042)

CWE-ID: CWE-763 - Release of invalid pointer or reference

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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 (DoS) attack.

The vulnerability exists due to a release of invalid pointer in Huawei OptiX OSN 9800 U32 product. A remote authenticated attacker can send specially crafted messages and cause a denial of service condition in th target system.


Remediation

Install update from vendor's website.