#VU56407 Time-of-check Time-of-use (TOCTOU) Race Condition in Palo Alto PAN-OS - CVE-2021-3054

 

#VU56407 Time-of-check Time-of-use (TOCTOU) Race Condition in Palo Alto PAN-OS - CVE-2021-3054

Published: September 8, 2021


Vulnerability identifier: #VU56407
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-3054
CWE-ID: CWE-367
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Palo Alto PAN-OS
Software vendor:
Palo Alto Networks, Inc.

Description

The vulnerability allows a remote user to execute arbitrary code on the system.

The vulnerability exists due to a race condition in the Palo Alto Networks PAN-OS web interface during plugin installation. A remote authenticated administrator with permission to upload plugins can execute arbitrary code with root user privileges.


Remediation

Install updates from vendor's website.

External links