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TITLE:
EMC NetWorker RPC Library "nsrexecd" Daemon Security Bypass

SECUNIA ADVISORY ID:
SA43113

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/43113/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=43113

RELEASE DATE:
2011-01-29

DISCUSS ADVISORY:
http://secunia.com/advisories/43113/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/43113/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
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https://ca.secunia.com/?page=viewadvisory&vuln_id=43113

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been reported in EMC NetWorker, which can be
exploited by malicious people to bypass certain security
restrictions.

The vulnerability is caused due to an error in the RPC library
(librpc.dll) within the "nsrexecd" daemon when performing access
control for service commands. This can be exploited to bypass some
access restrictions and execute certain service commands (e.g.
unregister or register RPC services) via spoofed UDP packets.

The vulnerability is reported in the following products:
* EMC NetWorker versions prior to 7.5.3.5.
* EMC NetWorker versions prior to 7.6.1.2.

SOLUTION:
Update to version 7.5.3.5, 7.5 SP4 or later, and 7.6.1.2 or later.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits an anonymous person via ZDI.

ORIGINAL ADVISORY:
EMC:
http://archives.neohapsis.com/archives/bugtraq/2011-01/att-0162/ESA-2011-003.txt

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
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