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TITLE:
EMC NetWorker Remote Exec Service Buffer Overflow

SECUNIA ADVISORY ID:
SA26517

VERIFY ADVISORY:
http://secunia.com/advisories/26517/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From local network

SOFTWARE:
EMC NetWorker (formerly Legato NetWorker) 7.x
http://secunia.com/product/2692/

DESCRIPTION:
A vulnerability has been reported in EMC NetWorker, which can be
exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error within the
Networker Remote Exec Service (nsrexecd.exe). This can be exploited
to cause a stack-based buffer overflow by sending a poll or kill
request with an overly long, invalid subcmd to the service, which is
available via a query to the portmapper on port 111/TCP for service
#0x5f3e1, version 1.

Successful exploitation allows execution of arbitrary code.

The vulnerability is reported in version 7.x.x.

SOLUTION:
The vendor has issued updates to correct this vulnerability. For more
information see knowledge base article esg83899 (registration
required) or contact the EMC Software Technical Support.

PROVIDED AND/OR DISCOVERED BY:
Tenable Network Security, reported via ZDI.

ORIGINAL ADVISORY:
http://www.zerodayinitiative.com/advisories/ZDI-07-049.html

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About:
This Advisory was delivered by Secunia as a free service to help
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