title: PAN-OS: Unsigned Code Execution During Plugin Installation Race Condition Vulnerability
description: A time-of-check to time-of-use (TOCTOU) race condition vulnerability in the Palo Alto Networks PAN-OS web interface enables an authenticated administrator with permission to upload plugins to execute arbitrary code with root user privileges. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.11; PAN-OS 10.0 versions earlier than PAN-OS 10.0.7; PAN-OS 10.1 versions earlier than PAN-OS 10.1.2. This issue does not affect Prisma Access.
problem types: CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
affected:
{
product: PAN-OS
vendor: Palo Alto Networks
versions:
changes: [at: 8.1.20, status: unaffected], lessThan: 8.1.20, status: affected, version: 8.1, versionType: custom
changes: [at: 9.0.14, status: unaffected], lessThan: 9.0.14, status: affected, version: 9.0, versionType: custom
changes: [at: 10.0.7, status: unaffected], lessThan: 10.0.7, status: affected, version: 10.0, versionType: custom
changes: [at: 9.1.11, status: unaffected], lessThan: 9.1.11, status: affected, version: 9.1, versionType: custom
changes: [at: 10.1.2, status: unaffected], lessThan: 10.1.2, status: affected, version: 10.1, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.2
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: HIGH
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
exploits: Palo Alto Networks is not aware of any malicious exploitation of this issue.
solutions: This issue is fixed in PAN-OS 8.1.20, PAN-OS 9.0.14, PAN-OS 9.1.11, PAN-OS 10.0.7, PAN-OS 10.1.2, and all later PAN-OS versions.
workarounds: This issue requires the attacker to have authenticated access to the PAN-OS web interface. You can mitigate the impact of this issue by following best practices for securing the PAN-OS web interface. Please review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation at https://docs.paloaltonetworks.com/best-practices.