CVE-2017-6460 NTP Vulnerability

Palo Alto Networks Security Advisories / CVE-2017-6460

CVE-2017-6460 NTP Vulnerability

Severity 8.8 · HIGH

Attack Vector NETWORK

Scope UNCHANGED

Attack Complexity LOW

Confidentiality Impact HIGH

Privileges Required LOW

Integrity Impact HIGH

User Interaction NONE

Availability Impact HIGH

CVE JSON

Published 2017-07-27

Updated 2017-07-27

Reference PAN-76130, PAN-SA-2017-0022

Description

The Network Time Protocol (NTP) library has been found to contain a vulnerability CVE-2017-6460. Palo Alto Networks software makes use of the vulnerable library and may be affected. This issue only affects the management plane of the firewall. (Ref # PAN-76130 / CVE-2017-6460)

Successful exploitation of this issue requires an attacker to be on the management interface.

This issue affects PAN-OS 6.1, PAN-OS 7.0.17 and earlier, PAN-OS 7.1.11 and earlier, PAN-OS 8.0.3 and earlier

Product Status

Versions	Affected	Unaffected
PAN-OS 8.0	<= 8.0.3	>= 8.0.4
PAN-OS 7.1	<= 7.1.11	>= 7.1.12
PAN-OS 7.0	<= 7.0.17	>= 7.0.18
PAN-OS 6.1	6.1.*	None

Severity: HIGH

CVSSv3.1 Base Score: 8.8 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Weakness Type

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Solution

PAN-OS 7.0.18 or later, PAN-OS 7.1.12 or later, PAN-OS 8.0.4 or later

Workarounds and Mitigations

Palo Alto Networks recommends to implement best practice by allowing web interface access only to a dedicated management network. Additionally, restrict the set of IP addresses to a subset of authorized sources that you allow to interact with the management network.