SB2022071619 - Denial of service in Junos OS: QFX10K Series
Published: July 16, 2022
Security Bulletin ID
SB2022071619
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 Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2022-22217)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling in the Packet Forwarding Engine (PFE) caused by malformed MLD packets looping on a multi-homed Ethernet Segment Identifier (ESI) when VXLAN is configured. A remote attacker can send specially crafted MLD packets to the system and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.