CVE-2011-3489 Information

Description

RnaUtility.dll in RsvcHost.exe 2.30.0.23 in Rockwell RSLogix 19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted rna packet with a long string to TCP port 4446 that triggers (1) \a memset zero overflow\ or (2) an out-of-bounds read related to improper handling of a 32-bit size field.

Reference

http://aluigi.altervista.org/adv/rslogix_1-adv.txt http://securityreason.com/securityalert/8383 http://www.securityfocus.com/bid/49608 https://exchange.xforce.ibmcloud.com/vulnerabilities/69808