#VU78263 Use of uninitialized resource in Junos OS Evolved and Juniper Junos OS - CVE-2023-36836

 

#VU78263 Use of uninitialized resource in Junos OS Evolved and Juniper Junos OS - CVE-2023-36836

Published: July 14, 2023


Vulnerability identifier: #VU78263
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-36836
CWE-ID: CWE-908
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Junos OS Evolved
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.

Description

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 updates from vendor's website.

External links