SB2024071522 - Denial of service in Junos OS Evolved l2ald
Published: July 15, 2024
Security Bulletin ID
SB2024071522
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2024-39557)
The vulnerability allows a remote attacker to perform DoS attack on the target system.
The vulnerability exists due memory leak in the Layer 2 Address Learning Daemon (l2ald) when performing MAC table updates. A remote attacker on the local network can force the daemon to leak memory and perform denial of service attack.
Remediation
Install update from vendor's website.