SB2024011071 - Double free in Juniper Junos OS



SB2024011071 - Double free in Juniper Junos OS

Published: January 10, 2024

Security Bulletin ID SB2024011071
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 security vulnerability.


1) Double free (CVE-ID: CVE-2024-21606)

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

The vulnerability exists due to double free error in the flow processing daemon (flowd). A remote non-authenticated attacker can cause a Denial of Service (DoS).

In a remote access VPN scenario, if a "tcp-encap-profile" is configured and a sequence of specific packets is received, a flowd crash and restart will be observed.


Remediation

Install update from vendor's website.