SB2022012105 - Denial of service in BIG-IP SYN Cookie Protection



SB2022012105 - Denial of service in BIG-IP SYN Cookie Protection

Published: January 21, 2022

Security Bulletin ID SB2022012105
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) Incorrect calculation (CVE-ID: CVE-2022-23011)

CWE-ID: CWE-682 - Incorrect Calculation

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 (DoS) attack.

The vulnerability exists due to incorrect calculation error in the SYN Cookie Protection feature. A remote attacker can send specially crafted traffic to the system and perform a denial of service (DoS) attack.

The following platforms are vulnerable:

  • i850
  • i2600
  • i2800

Remediation

Install update from vendor's website.