Advisory Details

March 26th, 2012

FlexNet License Server Manager lmgrd Remote Code Execution Vulnerability

ZDI-12-052
ZDI-CAN-1192

CVE ID
CVSS SCORE 10.0, AV:N/AC:L/Au:N/C:C/I:C/A:C
AFFECTED VENDORS Flexera Software
AFFECTED PRODUCTS FlexNet License Server Manager
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of FlexNet License Server Manager. Authentication is not required to exploit this vulnerability.

The specific flaw exists within lmgrd license server manager. lmgrd listens by default on TCP port 27000. A specially crafted packet sent to the server will cause a stack overflow allowing for remote code execution under the context of the server.
ADDITIONAL DETAILS Flexera Software has issued an update to correct this vulnerability. More details can be found at:
http://www.flexerasoftware.com/pl/13057.htm
DISCLOSURE TIMELINE
  • 2011-05-12 - Vulnerability reported to vendor
  • 2012-03-26 - Coordinated public release of advisory
CREDIT Luigi Auriemma
Alexander Gavrun
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