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AUSCERT Security Bulletin
ASB-2017.0136
Multiple vulnerabilities have been identified in Palo Alto PAN-OS
31 August 2017
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AusCERT Security Bulletin Summary
---------------------------------
Product: Palo Alto PAN-OS
Operating System: PAN-OS
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote/Unauthenticated
Cross-site Scripting -- Remote with User Interaction
Access Confidential Data -- Remote/Unauthenticated
Unauthorised Access -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2017-12416 CVE-2017-9458 CVE-2017-6460
Member content until: Saturday, September 30 2017
Reference: ESB-2017.1681
ESB-2017.0973
OVERVIEW
Multiple vulnerabilities have been identified in PAN-OS prior to
versions 6.1.18, 7.0.17, 7.1.12 and 8.0.4. [1-3]
IMPACT
The vendor has provided the following details regarding the issues:
"A vulnerability exists in PAN-OS's GlobalProtect external interface
that could allow for XML External Entity (XXE) attack. PAN-OS does
not properly parse XML input. (Ref # PAN-75688 / CVE-2017-9458)
Successful exploitation of this issue may allow disclosure of
information, denial of service or server side request forgery." [1]
"A vulnerability exists in PAN-OS's GlobalProtect external interface
that could allow for a cross-site scripting (XSS) attack. PAN-OS
does not properly validate specific request parameters. (Ref #
PAN-76003 / CVE-2017-12416)
Successful exploitation of this issue may allow an attacker to
inject arbitrary Java script or HTML." [2]
"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." [3]
MITIGATION
The vendor recommends updating to PAN-OS releases 6.1.18, 7.0.17,
7.1.12 and 8.0.4 to correct the issues. [1-3]
REFERENCES
[1] XML External Entity (XXE) in PAN-OS
https://securityadvisories.paloaltonetworks.com/Home/Detail/94
[2] Cross-Site Scripting in PAN-OS
https://securityadvisories.paloaltonetworks.com/Home/Detail/93
[3] NTP Vulnerability
https://securityadvisories.paloaltonetworks.com/Home/Detail/92
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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