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AUSCERT External Security Bulletin Redistribution
Security Bulletin: Vulnerability in Rational License Key
28 July 2016
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-2015-8277
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Security Bulletin: Vulnerability in Rational License Key Server
More support for:
Rational License Key Server
RLKS Administration and Reporting Tool
8.1.2, 8.1.3, 8.1.4
AIX, HP-UX, Linux, Solaris, Windows
A possible security vulnerability has been reported in IBM Rational License
Key Server (RLKS). There have been no reported exploits of this
DESCRIPTION: Flexera Software's FlexNet Publisher is vulnerable to a buffer
overflow, caused by improper bounds checking by lmgrd. By sending an overly long
string, a remote attacker could overflow a buffer and execute arbitrary code in
affected server hosts.
CVSS Base Score: 9.8
CVSS Temporal Score: See
for more information
CVSS Environmental Score*: Undefined
Affected Products and Versions
The following versions of IBM RLKS are affected.
Rational License Key Server version 8.1.2
Rational License Key Server version 8.1.3
Rational License Key Server version 8.1.4
Upgrade to the IBM RLKS version 8.1.4 iFix 05. The detailed instructions for
doing so are mentioned below.
The detailed instructions for doing so are mentioned below.
1. Download the 8.1.4 iFix 05 using the following link. Choose the fix
appropriate for the platform on which the affected RLKS is running. 814 iFix 05
on Fix Central
2. Unzip the fix.
3. Shutdown the license server.
4. Stop the RLKS Administration agent if it is running.
5. Backup the following files.
6. Replace the above files from the unzipped fix directory.
7. Start the license server.
8. Start the RLKS Administration agent if it is running.
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IBM Product Security Incident Response Blog
27 July 2016 :- 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.
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