Unchecked return value in Junos OS Evolved and Juniper Junos OS - CVE-2024-39558
Published: July 15, 2024
Vulnerability identifier: #VU94350
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-39558
CWE-ID: CWE-252
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Juniper Networks, Inc.
Affected software:
Junos OS Evolved
Juniper Junos OS
Junos OS Evolved
Juniper Junos OS
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to unchecked return value error in the Routing Protocol Daemon (rpd). A remote non-authenticated attacker can send a specific PIM packet to cause rpd to crash and restart, resulting in a Denial of Service (DoS), when PIM is configured with Multicast-only Fast Reroute (MoFRR).
How to mitigate CVE-2024-39558
Install updates from vendor's website.