ESB-2018.0716 - [Win] ePolicy Orchestrator: Multiple vulnerabilities 2018-03-12

Printable version
PGP/GPG verifiable version

Hash: SHA256

             AUSCERT External Security Bulletin Redistribution

       Security update for McAfee ePolicy Orchestrator fixes stored
                         XSS, directory traversal
                               12 March 2018


        AusCERT Security Bulletin Summary

Product:           ePolicy Orchestrator
Publisher:         McAfee
Operating System:  Windows
Impact/Access:     Cross-site Scripting -- Remote with User Interaction
                   Unauthorised Access  -- Existing Account            
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-6660 CVE-2018-6659 

Original Bulletin:

- --------------------------BEGIN INCLUDED TEXT--------------------

McAfee Security Bulletin – ePolicy Orchestrator update fixes Cross-Site
Scripting (CVE-2018-6659) and Directory Traversal (CVE-2018-6660)
Security Bulletin ID: SB10228
First Published: March 9, 2018
Last Modified: March 9, 2018


Impact of Vulnerability: Cross-Site Scripting (XSS) (CWE-79) Directory Traversal
CVE ID: CVE-2018-6659 CVE-2018-6660
Severity Rating: Low, Medium
v3 Base/Temporal Scores: 3.7/3.4 6.2/5.6
Upgrade to the latest ePolicy Orchestrator (ePO) patch
Security Bulletin Replacement: None
Affected Software:
* ePO 5.3.2, 5.3.1, and 5.3.0
* ePO 5.9.0

Location of updated software:

Reflected Cross-Site Scripting vulnerability in ePO.
It was found that ePO does not sanitize the user input leading to one XSS issue.

Directory Traversal vulnerability in ePO.
It was found that ePO does not properly validate the path when exporting a
particular XML file. Affected ePO versions also allow the usage of Windows
alternate data streams, which could be used to bypass the file extensions.

Affected Component:
* ePO core services

To remediate this issue:
* Users of ePO 5.3.2 or earlier are recommended to upgrade to ePO 5.3.3 or
* Users of ePO 5.9.0 are recommended to upgrade to ePO 5.9.1.

Go to the Product Downloads site and download the applicable product patch
Product Type File Name Release Date
ePO 5.9.1 Patch November 30, 2017
ePO 5.3.3 Patch July 26, 2017

Download and Installation Instructions
See KB56057 for instructions on how to download McAfee products, documentation,
security updates, patches, and hotfixes. Review the Release Notes and the
Installation Guide, which you can download from the Documentation tab, for
instructions on how to install these updates.

Product Specific Notes
ePO 5.1.x is currently End of Life (EOL). McAfee recommends that all customers
using ePO 5.1.x upgrade to 5.3.x or 5.9.x.

None. McAfee strongly encourages installing the latest ePO patch specified in
the Remediation table. Acknowledgements
McAfee credits Christoffer Wiman from basalt for reporting this flaw. Frequently
Asked Questions (FAQs)

How do I know if my McAfee product is vulnerable or not?
For ePO/Server products:
Use the following instructions for server-based products:
* Check the version and build of ePO that is installed. For information on how
to check the version, see: KB52634.
* Create a query in ePO for the product version of the product installed within
your organization. What is CVSS?

1) CVE-2018-6659: ePO Cross-Site Scripting vulnerability
Base Score 3.7
Attack Vector (AV) Network (N)
AttackComplexity (AC) High (H)
Privileges Required (PR) Low (L)
User Interaction (UI) Required (R)
Scope (S) Unchanged (U)
Confidentiality (C) Low (L)
Integrity (I) None (N)
Availability (A) Low (L)
Temporal Score (Overall) 3.4
Exploitability (E) Proof-of-Concept (P)
Remediation Level (RL) Official Fix (O)
Report Confidence (RC) Confirmed (C)

NOTE: The below CVSS version 3.0 vector was used to generate this score.

2) CVE-2018-6660: ePO Directory Traversal vulnerability
Base Score 6.2
 Attack Vector (AV) Network (N)
AttackComplexity (AC) High (H)
Privileges Required (PR) High (H)
User Interaction (UI) Required (R)
Scope (S) Changed (C)
Confidentiality (C) None (N)
Integrity (I) Low (L)
Availability (A) High (H)
Temporal Score (Overall) 5.6
Exploitability (E) Proof-of-Concept (P)

Remediation Level (RL) Official Fix (O)
Report Confidence (RC) Confirmed (C)

NOTE: The below CVSS version 3.0 vector was used to generate this score.

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. 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.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

Australian Computer Emergency Response Team
The University of Queensland
Qld 4072

Internet Email:
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.


« Back to bulletins