Improper handling of syntactically invalid structure in Junos OS Evolved - CVE-2024-21612
Published: January 10, 2024
Vulnerability identifier: #VU85285
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-21612
CWE-ID: CWE-228
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of syntactically invalid structure error in Object Flooding Protocol (OFP) service. A remote non-authenticated attacker can cause a Denial of Service (DoS).
On all Junos OS Evolved platforms, when specific TCP packets are received on an open OFP port, the OFP crashes leading to a restart of Routine Engine (RE).
Continuous receipt of these specific TCP packets will lead to a sustained Denial of Service (DoS) condition.
Affected software
Junos OS Evolved
How to mitigate CVE-2024-21612
Install updates from vendor's website.
Junos OS Evolved - addressed in versions 21.2R3-S7-EVO, 21.3R3-S5-EVO, 21.4R3-S5-EVO, 22.1R3-S4-EVO, 22.2R3-S3-EVO, 22.3R3-EVO, 22.4R2-EVO, 22.4R3-EVO, 23.2R1-EVO