ESB-2019.0734 - [Appliance] IBM Lotus Protector for Mail Security: Execute Arbitrary Code/Commands - Remote/Unauthenticated 2019-03-08

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0734
 IBM Security Bulletin: IBM Lotus Protector for Mail Security has released
        fixes in response to the public disclosed vulnerability for
                           PHP (CVE-2018-19518)
                               8 March 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM Lotus Protector for Mail Security
Publisher:         IBM
Operating System:  Network Appliance
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-19518  

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=ibm1079201

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

IBM Lotus Protector for Mail Security has released fixes in response to the
public disclosed vulnerability for PHP (CVE-2018-19518)

Product:             Lotus Protector for Mail Security

Software version:    2.8.1, 2.8.3

Operating system(s): Firmware

Software edition:    All Editions

Reference #:         0792011

Security Bulletin

Summary

IBM has released the following fixes for IBM Lotus Protector for Mail Security
in response to CVE-2018-19518.

Vulnerability Details

CVEID: CVE-2018-19518
DESCRIPTION: PHP could allow a remote attacker to bypass security restrictions.
A remote attacker could exploit this vulnerability by passing the
- -oProxyCommand to the imap_open function which would allow the attacker to
bypass disabled exec functions.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
152995 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)

Affected Products and Versions

+-------------------------------------+-----------------+
|Affected Product Name                |Affected Versions|
+-------------------------------------+-----------------+
|IBM Lotus Protector for Mail Security|2.8.3.0          |
+-------------------------------------+-----------------+
|IBM Lotus Protector for Mail Security|2.8.1.0          |
+-------------------------------------+-----------------+

Remediation/Fixes

+----------------+-------+----+-----------------------------------------------+
|    Product     | VRMF  |APAR|            Remediation/ First Fix             |
+----------------+-------+----+-----------------------------------------------+
|                |       |    |This is done via the IBM Protector for Mail    |
|                |       |    |Security update mechanism as outlined in the   |
|IBM Lotus       |       |    |Updates section of the Online Help.            |
|Protector for   |2.8.3.0|None|                                               |
|Mail Security   |       |    |This link can be found on the top of the       |
|                |       |    |righthand pane of the Updates page in the IBM  |
|                |       |    |Protector web interface.                       |
+----------------+-------+----+-----------------------------------------------+
|                |       |    |This is done via the IBM Protector for Mail    |
|                |       |    |Security update mechanism as outlined in the   |
|IBM Lotus       |       |    |Updates section of the Online Help.            |
|Protector for   |2.8.1.0|None|                                               |
|Mail Security   |       |    |This link can be found on the top of the       |
|                |       |    |righthand pane of the Updates page in the IBM  |
|                |       |    |Protector web interface.                       |
+----------------+-------+----+-----------------------------------------------+

NOTE: Default configuration of the Automatic Updates settings would have
allowed for these updates to have been applied without user intervention on a
running 2.8.1.0 and 2.8.3.0 system.

Reference

Complete CVSS v3 Guide
On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None

Change History

Feb 1, 2019: Original Version Published

*The CVSS Environment Score is customer environment specific and will
ultimately impact the Overall CVSS Score. Customers can evaluate the impact of
this vulnerability in their environments by accessing the links in the
Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF
ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

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

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