SB2023011180 - Improper handling of exceptional conditions in Juniper Junos OS
Published: January 11, 2023
Security Bulletin ID
SB2023011180
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 handling of exceptional conditions (CVE-ID: CVE-2023-22391)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
A vulnerability in class-of-service (CoS) queue management in Juniper Networks Junos OS on the ACX2K Series devices allows an unauthenticated network-based attacker to cause a Denial of Service (DoS). Specific packets are being incorrectly routed to a queue used for other high-priority traffic such as BGP, PIM, ICMP, ICMPV6 ND and ISAKMP.
Remediation
Install update from vendor's website.