SB2022071830 - Denial of service in Junos OS MPLS handling
Published: July 18, 2022
Security Bulletin ID
SB2022071830
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) Improper Handling of Exceptional Conditions (CVE-ID: CVE-2022-22202)
The vulnerability allows a remote attacker to perform a DoS attack.
The vulnerability exists due to improper error handling when processing MPLS packets. A remote attacker on the local network can send specially crafted MPLS packets to the affected device and perform a denial of service attack by crashing the dcpfe process.
Remediation
Install update from vendor's website.