SB2023011189 - Resource exhaustion in Juniper Junos OS
Published: January 11, 2023
Security Bulletin ID
SB2023011189
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) Resource exhaustion (CVE-ID: CVE-2023-22396)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
An Uncontrolled Resource Consumption vulnerability in TCP processing on the Routing Engine (RE) of Juniper Networks Junos OS allows an unauthenticated network-based attacker to send crafted TCP packets destined to the device, resulting in an MBUF leak that ultimately leads to a Denial of Service (DoS).
The system does not recover automatically and must be manually restarted to restore service.
Remediation
Install update from vendor's website.