-----BEGIN PGP SIGNED MESSAGE-----
AUSCERT External Security Bulletin Redistribution
Security vulnerability in FlexNet Publisher affects IBM
Rational License Key Server
4 April 2019
AusCERT Security Bulletin Summary
Product: IBM Rational License Key Server
Operating System: AIX
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2018-20033
- --------------------------BEGIN INCLUDED TEXT--------------------
Security Bulletin: Security vulnerability in FlexNet Publisher affects IBM
Rational License Key Server
More support for: Rational License Key Server
Software version: 8.1.4, 8.1.5
Operating system(s): AIX, Linux, Windows
Reference #: 0879027
Modified date: 03 April 2019
Security vulnerability in FlexNet Publisher, from Flexera Software, used by
IBM Rational License Key Server has been published. Required remediation has
been addressed by IBM Rational License Key Server team.
Description: Flexera Software FlexNet Publisher could allow a remote attacker
to execute arbitrary code on the system, caused by a flaw in the lmgrd and
vendor daemon components. By sending a specially-crafted request, an attacker
could exploit this vulnerability to execute arbitrary code on the system and
cause the vendor daemon to stop.
CVSS Base Score: 9.8
CVSS Temporal Score: https://exchange.xforce.ibmcloud.com/vulnerabilities/
158461 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
o IBM Rational License Key Server version 8.1.4
o IBM Rational License Key Server version 8.1.5
Upgrade to the IBM Rational License Key Server version 8.1.6. It can be
Workarounds and Mitigations
03 April 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.
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--------------------
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 firstname.lastname@example.org
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
Internet Email: email@example.com
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.
-----BEGIN PGP SIGNATURE-----
-----END PGP SIGNATURE-----