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SCO OpenServer Privilege Escalation Vulnerabilities
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Secunia Advisory:
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SA14836
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Release Date:
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2005-04-06
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Last Update:
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2005-05-26
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Critical:
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Less critical
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Impact:
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Privilege escalation
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Where:
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Local system
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Solution Status:
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Vendor Patch
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| OS: | SCO OpenServer 5.x
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| | CVE reference: | CVE-2005-0993 (Secunia mirror)
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Description:
Christer Olberg has reported some vulnerabilities in SCO OpenServer, which can be exploited by malicious, local users to gain escalated privileges.
The vulnerabilities are caused due to a boundary errors in the nwclient, nwcancel, nwlpstat, and nwlpadmin utilities when processing command line arguments. This can be exploited to cause a buffer overflow by passing an overly long argument.
Successful exploitation may grant "lp" group privileges.
The vulnerabilities have been reported in versions 5.0.6 and 5.0.7. Other versions may also be affected.
Solution:
OpenServer 5.0.6:
Apply patch (requires oss646c or later).
ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.26/VOL.000.000
OpenServer 5.0.7:
Apply Maintenance Pack 3.
ftp://ftp.sco.com/pub/openserver5/507/mp/mp3/507mp3_vol.tar
Provided and/or discovered by:
Originally discovered by:
Christer Olberg
Independently discovered in nwclient and reported by:
Pasquale Minervini
Changelog:
2005-04-08: Updated advisory with information provided by vendor.
2005-04-13: Added CVE reference.
2005-05-26: Vendor released patch for OpenServer 5.0.6. Updated "Solution" section.
Original Advisory:
SCO:
ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.26/SCOSA-2005.26.txt
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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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