Intrusion Prevention

EMC.NetWorker.librpc.dll.Security.Check.Bypass

Description

This indicates attack attempt against a Security Bypass vulnerability in EMC Legato Networker.
The vulnerability is due to insufficient access control when handling portmap requests. Remote unauthenticated attackers can exploit the vulnerability by spoofing a source address as "localhost" or "127.0.0.1" to register Remote Procedure Call (RPC) services, allowing them to eavesdrop on communications.

Affected Products

EMC Legato NetWorker 7.5 prior to 7.5.3.5
EMC Legato NetWorker 7.6 prior to 7.6.1.2

Impact

Security Bypass: Remote attackers can bypass the security of vulnerable systems.

Recommended Actions

Refer to the vendor's website for a suggested workaround.
http://archives.neohapsis.com/archives/bugtraq/2011-01/att-0162/ESA-2011-003.txt

CVE References

CVE-2011-0321

Other References

ZDI-11-168 43113