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NetBSD Kernfs Kernel Memory Disclosure Vulnerability
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Secunia Advisory:
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SA18388
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Release Date:
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2006-01-10
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Last Update:
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2006-08-04
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Popularity:
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7,686 views
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Critical:
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Less critical
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Impact:
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Exposure of sensitive information
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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: | NetBSD 1.x
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| CVE reference: | CVE-2006-0145
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Description:
A vulnerability has been reported in NetBSD, which can be exploited by malicious, local users to disclose potentially sensitive information.
The vulnerability is caused due to an input validation error in the "lseek()" system call. This can be exploited by userlevel non-privileged process to read arbitrary kernel memory via the kernfs file system.
Solution:
The vulnerability has been fixed in the following versions:
* NetBSD-current (November 23, 2005)
* NetBSD-1.6 branch (November 29, 2005)
Provided and/or discovered by:
The vendor credits Ejovi Nuwere from SecurityLab and Christos Zoulas.
Changelog:
2006-02-03: Added link to "Original Advisory".
2006-08-04: Added CVE reference.
Original Advisory:
NetBSD:
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-001.txt.asc
SecurityLab Technologies:
http://www.securitylab.net/research/2006/02/advisory_netbsd_openbsd_kernfs.html
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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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