ZDI-07-049: EMC Legato Networker Remote Exec Service Stack Overflow
            Vulnerabilities
https://www.zerodayinitiative.com/advisories/ZDI-07-049.html
August 20, 2007

-- CVE ID:
CVE-2007-3618

-- Affected Vendor:
EMC Software

-- Affected Products:
Networker 7.x.x

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability since August 16, 2007 by Digital Vaccine protection
filter ID 5259. For further product information on the TippingPoint IPS:

    https://www.tippingpoint.com 

-- Vulnerability Details:
These vulnerabilities allow remote attackers to execute arbitrary code
on vulnerable installations of EMC Networker. Authentication is not
required to exploit this vulnerability.

The specific flaws exist in the Networker Remote Exec Service,
nsrexecd.exe. The location of this service is available by querying the
SUNRPC portmapper on TCP port 111 for service #0x5f3e1, version 1. When
supplying a long invalid subcmd to a poll or a kill request, an
exploitable stack overflow vulnerability can occur within a call to
sprintf().

-- Vendor Response:
EMC has issued updates to correct this vulnerability. More details can
be found in knowledge base article esg83899 available from
powerlink.emc.com. EMC customers can further contact EMC Software
Technical Support at 1-877-534-2867.

-- Disclosure Timeline:
2007.02.23 - Vulnerability reported to vendor
2007.08.16 - Digital Vaccine released to TippingPoint customers
2007.08.20 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by Tenable Network Security.

-- About the Zero Day Initiative (ZDI):
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(ZDI) represents a best-of-breed model for rewarding security
researchers for responsibly disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

    https://www.zerodayinitiative.com

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