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

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU78263

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

Published: July 14, 2023


Vulnerability identifier: #VU78263
CSH Severity: Low
CVSS v4.0: 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
Vendor: Juniper Networks, Inc.
Affected software:
Junos OS Evolved
Juniper Junos OS

Detailed vulnerability 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.


How to mitigate CVE-2023-36836

Install updates from vendor's website.

Sources