EMC NetWorker Denial of Service and Buffer Overflow Vulnerabilities - Secunia Advisories - Vulnerability Intelligence

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EMC NetWorker Denial of Service and Buffer Overflow Vulnerabilities
Secunia Advisory:	SA18495	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2006-01-17
Last Update:	2006-01-18
Popularity:	7,786 views

Critical:	Moderately critical
Impact:	DoS System access
Where:	From local network
Solution Status:	Vendor Patch

Software:	EMC NetWorker (formerly Legato NetWorker) 7.x

Subscribe:	Instant alerts on relevant vulnerabilities

CVE reference:	CVE-2005-3658 CVE-2005-3659

Description: Jo Goossens has reported some vulnerabilities in EMC NetWorker, which can be exploited by malicious people to cause a DoS (Denial of Service) or compromise a vulnerable system. 1) A NULL pointer dereference error in the NetWorker server in the processing of RPC packets can be exploited to crash the nsrd service with malformed RPC requests to RPC program number 390109. 2) A boundary error in nsrexecd.exe during processing of RPC requests can be exploited via a malformed RPC request to RPC program number 190113 to cause a heap-based buffer overflow and execute arbitrary code on a vulnerable system. 3) A boundary error in nsrd.exe during processing of RPC requests can be exploited via a malformed RPC request to RPC program number 390109 to cause a heap-based buffer overflow and execute arbitrary code on a vulnerable system. The vulnerabilities have been reported in version 7.2.1. Solution: Apply hotfix. NetWorker 7.2.1: ftp://ftp.legato.com/pub/NetWorker/Updates/LGTpa83990 NOTE: Versions 7.1.4 and 7.3 have already incorporated the necessary fix. Provided and/or discovered by: Jo Goossens Original Advisory: EMC Corporation: http://www.legato.com/support/websupport/product_alerts/011606_NW.htm ftp://ftp.legato.com/pub/NetWorker/Updates/LGTpa83990/README.TXT iDEFENSE: http://www.idefense.com/intelligence/vulnerabilities/display.php?id=375 http://www.idefense.com/intelligence/vulnerabilities/display.php?id=374 http://www.idefense.com/intelligence/vulnerabilities/display.php?id=373

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