Use-after-free in Junos OS Evolved - CVE-2023-36833
Published: July 14, 2023
Vulnerability identifier: #VU78262
CSH Severity: Medium
CVSS v4: 7.1 [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]
CVE-ID: CVE-2023-36833
CWE-ID: CWE-416
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error in the packet forwarding engine (PFE) of Juniper Networks Junos OS
Evolved on PTX10001-36MR, and PTX10004, PTX10008, PTX10016 with
LC1201/1202. A remote attacker on the local network can send specially crafted traffic to the affected device, trigger a use-after-free error in the aftman-bt process and perform a denial of ervice (DoS) attack.
Affected software
Junos OS Evolved
How to mitigate CVE-2023-36833
Install updates from vendor's website.
Junos OS Evolved - addressed in versions 21.4R3-S3-EVO, 22.2R3-S2-EVO