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Legato NetWorker Multiple Vulnerabilities
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Secunia Advisory:
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SA16464
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Release Date:
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2005-08-17
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Last Update:
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2005-08-19
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Critical:
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Moderately critical
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Impact:
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Security Bypass
Exposure of system information
Exposure of sensitive information
DoS
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Where:
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From local network
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Solution Status:
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Vendor Patch
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| Software: | EMC NetWorker (formerly Legato NetWorker) 7.x
Legato NetWorker 6.x
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| | CVE reference: | CVE-2005-0357 (Secunia mirror)
CVE-2005-0358 (Secunia mirror)
CVE-2005-0359 (Secunia mirror)
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Description:
NOAA NCIRT Lab has reported three vulnerabilities in Legato NetWorker, which can be exploited by malicious people to cause a DoS (Denial of Service), gain knowledge of sensitive information, or bypass certain security restrictions.
1) An error in the AUTH_UNIX authentication for the RPC service can be exploited to bypass the authentication to the nwadmin, nsradmin, and nsrports components by providing a fake user name or to the recover and nsrececd components by providing a fake UID.
2) An error in the token-based authentication to the database services can be exploited to gain administrative privileges without being listed in the administrator list by sending a specially crafted token.
3) The portmapper (lgtomapper) allows calls to pmap_set and pmap_unset, which can be exploited to register and unregister RPC services thereby causing a DoS or potentially eavesdrop on NetWorker process communication.
Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, scan using the Network Software Inspector.
Solution:
Apply patches LGTpa74792, LGTpa78968, and LGTpa78969 (for versions 7.1.3 and 7.2).
http://www.legato.com/support/websupp...updates/networker_security_hotfix.htm
Fixes will also be included in the next release of Legato NetWorker.
Provided and/or discovered by:
NOAA NCIRT Lab.
Changelog:
2005-08-19: Updated credits.
Original Advisory:
EMC Corporation:
http://www.legato.com/support/websupport/product_alerts/081605_NW-7x.htm
Other References:
US-CERT VU#407641:
http://www.kb.cert.org/vuls/id/407641
US-CERT VU#606857:
http://www.kb.cert.org/vuls/id/606857
US-CERT VU#801089:
http://www.kb.cert.org/vuls/id/801089
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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3 Related Secunia Security Advisories
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1. EMC NetWorker Remote Exec Service Buffer Overflow
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2. EMC NetWorker Management Console Weak Authentication
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3. EMC NetWorker Denial of Service and Buffer Overflow Vulnerabilities
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