8.5
CWE
78
Advisory Published
Updated

CVE-2024-39524: Junos OS Evolved: CLI parameter processing issue allows privilege escalation

First published: Thu Jul 11 2024(Updated: )

An Improper Neutralization of Special Elements vulnerability in Juniper Networks Junos OS Evolved commands allows a local, authenticated attacker with low privileges to escalate their privileges to 'root' leading to a full compromise of the system. The Junos OS Evolved CLI doesn't properly handle command options in some cases, allowing users which execute specific CLI commands with a crafted set of parameters to escalate their privileges to root on shell level. This issue affects Junos OS Evolved: All versions before 20.4R3-S7-EVO, 21.2-EVO versions before 21.2R3-S8-EVO, 21.4-EVO versions before 21.4R3-S7-EVO,  22.2-EVO versions before 22.2R3-EVO, 22.3-EVO versions before 22.3R2-EVO, 22.4-EVO versions before 22.4R2-EVO.

Credit: sirt@juniper.net

Remedy

The following software releases have been updated to resolve this specific issue: 20.4R3-S7-EVO, 21.2R3-S8-EVO, 21.4R3-S7-EVO, 22.2R3-EVO, 22.3R2-EVO, 22.4R2-EVO, 23.2R1-EVO, and all subsequent releases.

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