SB2024041112 - Null pointer dereference in Junos OS Evolved



SB2024041112 - Null pointer dereference in Junos OS Evolved

Published: April 11, 2024

Security Bulletin ID SB2024041112
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Null pointer dereference (CVE-ID: CVE-2024-30403)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to null pointer dereference error in the Packet Forwarding Engine (PFE). A remote non-authenticated attacker can cause a Denial of Service (DoS).

When Layer 2 traffic is sent through a logical interface, MAC learning happens.

If during this process, the interface flaps, an Advanced Forwarding Toolkit manager (evo-aftmand-bt) core is observed.


Remediation

Install update from vendor's website.