SB2022071361 - Use after free in Juniper Junos OS



SB2022071361 - Use after free in Juniper Junos OS

Published: July 13, 2022

Security Bulletin ID SB2022071361
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) Use after free (CVE-ID: CVE-2022-22207)

CWE-ID: CWE-416 - Use After Free

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 non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to use after free error in the Advanced Forwarding Toolkit (AFT) manager process (aftmand). A remote non-authenticated attacker can cause a kernel crash due to intensive polling of Abstracted Fabric (AF) interface statistics and thereby a Denial of Service (DoS).


Remediation

Install update from vendor's website.