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NetBSD "sysctl()" Local Denial of Service Vulnerability
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Secunia Advisory:
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SA19616
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Release Date:
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2006-04-13
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Last Update:
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2006-04-19
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Popularity:
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6,801 views
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Critical:
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Not critical
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Impact:
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DoS
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Where:
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Local system
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Solution Status:
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Unpatched
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| OS: | NetBSD 1.x
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| CVE reference: | CVE-2006-1814
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Description:
A vulnerability has been reported in NetBSD, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
The user-supplied buffer used for storing results from "sysctl()" calls is locked into physical memory without checking its size against system limits. This can be exploited to exhaust all available memory on a system.
Solution:
Fixes are not available for the 1.6 branch. Upgrade to a later version for which fixes are available (see vendor advisory for additional information).
Provided and/or discovered by:
The vendor credits Matthias Drochner.
Changelog:
2006-04-19: Added CVE reference.
Original Advisory:
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-013.txt.asc
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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