SB2022101263 - Denial of service in Junos OS PFE
Published: October 12, 2022
Security Bulletin ID
SB2022101263
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) Input validation error (CVE-ID: CVE-2022-22201)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the Packet Forwarding Engine (PFE). A remote attacker can send specially crafted ESP packets to the device and perform a denial of service (DoS) attack.
The vulnerability affects Juniper Networks Junos OS on SRX5000 Series with SPC3, SRX4000 Series, and vSRX when PowerMode IPsec is configured and a malformed ESP packet matching an established IPsec tunnel is received.
Remediation
Install update from vendor's website.