CVE-2011-4531 Information

Description

Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted content in a (1) get_target_ocx_param or (2) send_target_ocx_param command.

Reference

http://aluigi.altervista.org/adv/almsrvx_1-adv.txt http://support.automation.siemens.com/WW/llisapi.dll/57252401?func=ll&objId=57252401&objAction=csView&nodeid0=17323948&lang=en&siteid=cseus&aktprim=0&extranet=standard&viewreg=WW&load=content http://support.automation.siemens.com/WW/view/en/114358 http://www.us-cert.gov/control_systems/pdf/ICSA-11-361-01.pdf