Vulnerability Note VU#485744
Flexera Software FlexNet Publisher lmgrd contains a buffer overflow vulnerability
Original Release date: 22 Feb 2016 | Last revised: 04 Apr 2016

Overview
Flexera Software FlexNet Publisher, including all versions prior to 11.13.1.2, lmgrd and custom vendor daemon servers contain a buffer overflow vulnerability that may be leveraged to gain code execution.

Description
Flexera Software FlexNet Publisher is a software license manager that provides licensing models and solutions for software vendors.

A buffer overflow vulnerability in a string copying function of lmgrd and custom vendor daemon servers may enable a remote attacker to execute arbitrary code in affected server hosts.
For more information, refer to the researchers’ blog post and advisory.

Impact
A remote, unauthenticated attacker may be able to execute arbitrary code in affected server hosts.

Solution
Apply an update

Software vendors that distribute vulnerable lmgrd or vendor daemon components should obtain FlexNet Publisher 2015 (11.13.1.2) Security Update 1 or later from Flexera Software’s Product and License Center. Users of affected software should contact product vendors for update information.

Vendor Information (Learn More)
Note that any vendor that distributes lmgrd or a customized version with their products may be affected.

As the CERT/CC becomes aware of specific vendors and products, we will add them to the list below.

VendorStatusDate NotifiedDate UpdatedCitrixAffected-10 Mar 2016
Flexera SoftwareAffected-22 Feb 2016If you are a vendor and your product is affected, let
us know.

CVSS Metrics (Learn More)

Group
Score
Vector

Base
10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C

Temporal
7.8
E:POC/RL:OF/RC:C

Environmental
5.9
CDP:ND/TD:M/CR:ND/IR:ND/AR:ND

References

http://learn.flexerasoftware.com/content/ECM-EVAL-FlexNet-Publisher
https://flexerasoftware.flexnetoperations.com/control/inst/index
http://securitymumblings.blogspot.com/2016/02/cve-2015-8277.html
https://www.securifera.com/advisories/cve-2015-8277

Credit

Thanks to Matthew Benton, Ryan Wincey, and Richard Kelley for reporting this vulnerability.
This document was written by Joel Land.

Other Information

CVE IDs:
CVE-2015-8277

Date Public:
22 Feb 2016

Date First Published:
22 Feb 2016

Date Last Updated:
04 Apr 2016

Document Revision:
26

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