FlexNet License Server Manager lmgrd Remote Code Execution Vulnerability

March 26th, 2012
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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