SB2022101439 - Denial of service in Junos OS Evolved IPv6 handling
Published: October 14, 2022
Security Bulletin ID
SB2022101439
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
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-2022-22227)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of errors in the Packet Forwarding Engine (PFE) when processing IPv6 transit traffic. A remote attacker can send specially crafted input through the device and cause increased CPU utilization, which can result in denial of service (DoS).
Remediation
Install update from vendor's website.