SB2022102119 - Denial of service in Junos OS PFE
Published: October 21, 2022
Security Bulletin ID
SB2022102119
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) NULL pointer dereference (CVE-ID: CVE-2022-22232)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the Packet Forwarding Engine on SRX Series routers, if Unified Threat Management (UTM) Enhanced Content Filtering (CF) is enabled. A remote attacker can send specific transit traffic to the device and force the PFE to crash and restart, resulting in a denial of service condition.
Remediation
Install update from vendor's website.