SB2023071607 - Local denial of service in Junos OS SRX series flowd



SB2023071607 - Local denial of service in Junos OS SRX series flowd

Published: July 16, 2023

Security Bulletin ID SB2023071607
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2023-36838)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in the flow processing daemon (flowd). A local user can excute a specific CLI command to trigger an out-of-bounds read error and crash the flowd.


Remediation

Install update from vendor's website.