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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
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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