SB2024011072 - Heap-based buffer overflow in Juniper Junos OS



SB2024011072 - Heap-based buffer overflow in Juniper Junos OS

Published: January 10, 2024

Security Bulletin ID SB2024011072
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) Heap-based buffer overflow (CVE-ID: CVE-2024-21594)

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

The vulnerability exists due to heap-based buffer overflow error in the Network Services Daemon (NSD). A local authenticated user can cause a Denial of Service (DoS).

On an SRX 5000 Series device, when executing a specific command repeatedly, memory is corrupted, which leads to a Flow Processing Daemon (flowd) crash.

The NSD process has to be restarted to restore services.


Remediation

Install update from vendor's website.