Junos OS Evolved: Local low-privilege user can gain root permissions leading to privilege escalation

A Missing Authorization vulnerability in the Socket Intercept (SI) command file interface of Juniper Networks Junos OS Evolved allows an authenticated, low-privilege local attacker to modify certain files, allowing the attacker to cause any command to execute with root privileges leading to privilege escalation ultimately compromising the system.

This issue affects Junos OS Evolved:

• All versions prior to 21.2R3-S8-EVO,
• 21.4 versions prior to  21.4R3-S6-EVO,
• 22.1 versions prior to 22.1R3-S5-EVO,
• 22.2 versions prior to 22.2R3-S3-EVO,
• 22.3 versions prior to 22.3R3-S3-EVO,
• 22.4 versions prior to 22.4R3-EVO,
• 23.2 versions prior to 23.2R2-EVO.