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AUSCERT External Security Bulletin Redistribution
ESB-2016.1848
Security Bulletin: Vulnerability in Rational License Key
Server (CVE-2015-8277)
28 July 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Rational License Key Server
Publisher: IBM
Operating System: AIX
HP-UX
Linux variants
Solaris
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2015-8277
Reference: ESB-2016.0676
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg21987826
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Security Bulletin: Vulnerability in Rational License Key Server
(CVE-2015-8277)
Security Bulletin
Document information
More support for:
Rational License Key Server
RLKS Administration and Reporting Tool
Software version:
8.1.2, 8.1.3, 8.1.4
Operating system(s):
AIX, HP-UX, Linux, Solaris, Windows
Reference #:
1987826
Modified date:
2016-07-27
Summary
A possible security vulnerability has been reported in IBM Rational License
Key Server (RLKS). There have been no reported exploits of this
vulnerability.
Vulnerability Details
CVEID:
CVE-2015-8277
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
https://exchange.xforce.ibmcloud.com/vulnerabilities/110869
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
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
Remediation/Fixes
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.
lmgrd
lmtools
lmutil
ibmratl
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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References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
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.
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.
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