Palo Alto Networks Security Advisories / CVE-2018-9242

CVE-2018-9242 Local Privilege Escalation in Management Web Interface

047910
Severity 5.5 · MEDIUM
Attack Vector LOCAL
Attack Complexity LOW
Privileges Required LOW
User Interaction NONE
Scope UNCHANGED
Confidentiality Impact NONE
Integrity Impact HIGH
Availability Impact NONE

Description

A vulnerability exists in the Management web interface that could allow local privilege escalation. The Management web interface does not properly validate specific request parameters, which can potentially allow deletion of files in the system. (Ref. # PAN-90954; CVE-2018-9242)

Successful exploitation of this issue requires the attacker to be authenticated.

This issue affects PAN-OS 6.1.20 and earlier, PAN-OS 7.1.16 and earlier, PAN-OS 8.0.9 and earlier. PAN-OS 8.1 is not affected.

Product Status

VersionsAffectedUnaffected
PAN-OS 8.0<= 8.0.9>= 8.0.10
PAN-OS 7.1<= 7.1.16>= 7.1.17
PAN-OS 6.1<= 6.1.20>= 6.1.21

Severity: MEDIUM

CVSSv3.1 Base Score: 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)

Weakness Type

CWE-20 Improper Input Validation

Solution

PAN-OS 6.1.21 and later, PAN-OS 7.1.17 and later, PAN-OS 8.0.10 and later

Workarounds and Mitigations

This issue affects the web-based management interface of PAN-OS andis strongly mitigated by following best practices for securing the management interface of PAN-OS. Our best practices guidelines reduce the exposure of the management interface to potential attackers. Please review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation, available at: https://www.paloaltonetworks.com/documentation/80/pan-os/pan-os/getting-started/best-practices-for-securing-administrative-access.

Acknowledgments

Palo Alto Networks would like to thank Xinming Nie with Aisinfo-Secfor reporting this issue.
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