SB2022101725 - Denial of service in Junos OS and Junos OS Evolved RESV message handling
Published: October 17, 2022
Security Bulletin ID
SB2022101725
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-2022-22238)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of errors in the routing protocol daemon (rpd) when processing incoming RESV message corresponding to a protected LSP. A remote attacker can send specially crafted RESV messages to the affected device and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.