70686 : EMC NetWorker nsrexecd librpc.dll Crafted UDP Packet Access Restriction Bypass
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
13	1757	over 2 years ago	6 months ago	20 times	100%

Timeline

Disclosure Date
2011-01-27

Time to Patch
72 days

Description

EMC NetWorker contains a flaw related to the RPC library 'librpc.dll' located within the 'nsrexecd' daemon. This may be exploited by a remote attacker using spoofed UDP packets to bypass access restrictions and execute certain service commands.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Private
Disclosure: Vendor Verified, Coordinated Disclosure

Solution

Upgrade to version 7.5.3.5, 7.5 SP4, 7.6.1.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

EMC Corporation	EMC Networker	7.5.3.4
		7.6.1.1

References

Security Tracker: 1025010
CVE ID: 2011-0321 (see also: NVD)
Secunia Advisory ID: 43113 49056
VUPEN Advisory: ADV-2011-0241
Vendor Specific Advisory URL: http://aix.software.ibm.com/aix/efixes/security/rpc_advisory.asc
Vendor Specific Solution URL: http://aix.software.ibm.com/aix/efixes/security/rpc_fix.tar
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2011-01/0162.html
http://archives.neohapsis.com/archives/bugtraq/2011-01/att-0162/ESA-2011-003.txt
http://seclists.org/bugtraq/2011/Jan/162
http://seclists.org/fulldisclosure/2011/May/358
Vendor Specific News/Changelog Entry: http://www.ibm.com/support/docview.wss?uid=isg1IV07315
http://www.ibm.com/support/docview.wss?uid=isg1IV08677
http://www.ibm.com/support/docview.wss?uid=isg1IV08787
http://www.ibm.com/support/docview.wss?uid=isg1IV13543
http://www.ibm.com/support/docview.wss?uid=isg1IV14728
http://www.ibm.com/support/docview.wss?uid=isg1IV17941
Other Advisory URL: http://www.zerodayinitiative.com/advisories/ZDI-11-168/

Credit

Anonymous - Zero Day Initiative (ZDI)

CVSSv2 Score

CVSSv2 Base Score = 6.4
Source: nvd.nist.gov | Generated: 2011-02-02 | Disagree?

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