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paloaltoPalo Alto Networks Product Security Incident Response TeamPAN-SA-2017-0022
HistoryJul 27, 2017 - 5:15 p.m.

NTP Vulnerability

2017-07-2717:15:00
Palo Alto Networks Product Security Incident Response Team
securityadvisories.paloaltonetworks.com
594

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

0.005 Low

EPSS

Percentile

76.7%

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

Work around:
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.

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

0.005 Low

EPSS

Percentile

76.7%