SB2023071429 - Local denial of service in Junos OS and Junos OS Evolved rpd
Published: July 14, 2023
Security Bulletin ID
SB2023071429
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use of uninitialized resource (CVE-ID: CVE-2023-36836)
The vulnerability allows a local user to perform a denial of service (Dos) attack.
The vulnerability exists due to usage of uninitialized resources in a Multicast only Fast Reroute (MoFRR) scenario within the routing protocol daemon (rpd). A local user can trigger an uninitialized usage of resources by executing a specific low privileged CLI command and crash the rpd daemon.
Remediation
Install update from vendor's website.