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FreeBSD "ifconf()" Function Kernel Memory Disclosure
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Secunia Advisory:
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SA14959
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Release Date:
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2005-04-15
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Last Update:
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2005-04-18
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Popularity:
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8,455 views
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Critical:
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Less critical
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Impact:
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Exposure of system information
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: | FreeBSD 4.x
FreeBSD 5.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| CVE reference: | CVE-2005-1126
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Description:
Ilja van Sprundel has reported a vulnerability in FreeBSD, which can be exploited by malicious, local users to gain knowledge of potentially sensitive information.
The vulnerability is caused due to an error in the "ifconf()" function when generating a list of network interfaces and can be exploited to disclose kernel memory.
Solution:
Update FreeBSD or apply patch.
Updated versions:
2005-04-15 01:51:44 UTC (RELENG_5, 5.4-STABLE)
2005-04-15 01:52:03 UTC (RELENG_5_4, 5.4-RELEASE)
2005-04-15 01:52:25 UTC (RELENG_5_3, 5.3-RELEASE-p9)
2005-04-15 01:52:40 UTC (RELENG_4, 4.11-STABLE)
2005-04-15 01:52:57 UTC (RELENG_4_11, 4.11-RELEASE-p3)
2005-04-15 01:53:14 UTC (RELENG_4_10, 4.10-RELEASE-p8)
Patch for FreeBSD 4.x:
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/patches/SA-05:04/ifconf4.patch
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/patches/SA-05:04/ifconf4.patch.asc
Patch for FreeBSD 5.3:
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/patches/SA-05:04/ifconf5.patch
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/patches/SA-05:04/ifconf5.patch.asc
Provided and/or discovered by:
Ilja van Sprundel
Changelog:
2005-04-18: Added CVE reference.
Original Advisory:
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:04.ifconf.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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