#VU65370 Improper Check for Unusual or Exceptional Conditions in Juniper Junos OS - CVE-2022-22217

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Main Vulnerability Database Vulnerabilities #VU65370

#VU65370 Improper Check for Unusual or Exceptional Conditions in Juniper Junos OS - CVE-2022-22217

Published: July 16, 2022


Vulnerability identifier: #VU65370
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-22217
CWE-ID: CWE-754
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.

Description

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

The vulnerability affects QFX10K Series switches, including the QFX10002, QFX10008, and QFX10016.

Install updates from vendor's website.


External links