SB2024072227 - Denial of service in Juniper Junos OS and Junos OS Evolved
Published: July 22, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2024-39517)
CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling in the Layer 2 Address Learning Daemon (l2ald). A remote attacker on the local network can send specially crafted data to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.