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FreeBSD "inet_network()" Off-By-One Vulnerability
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Secunia Advisory:
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SA28367
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Release Date:
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2008-01-15
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Last Update:
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2008-01-28
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Popularity:
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7,110 views
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Critical:
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Moderately critical
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Impact:
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DoS
System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| OS: | FreeBSD 6.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| | CVE reference: | CVE-2008-0122
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Description:
A vulnerability has been reported in FreeBSD, which can be exploited by malicious people to cause a DoS (Denial of Service) or to potentially compromise a vulnerable system.
The vulnerability is caused due to an off-by-one error within the "inet_network()" function. This can be exploited to cause a buffer overflow via a specially crafted argument passed to the affected function.
The vulnerability affects FreeBSD 6.2.
Solution:
Update FreeBSD or apply patches.
2008-01-14 22:57:45 UTC (RELENG_7, 7.0-PRERELEASE)
2008-01-14 22:55:54 UTC (RELENG_7_0, 7.0-RC2)
2008-01-14 22:56:05 UTC (RELENG_6, 6.3-PRERELEASE)
2008-01-14 22:56:18 UTC (RELENG_6_3, 6.3-RELEASE)
2008-01-14 22:56:44 UTC (RELENG_6_2, 6.2-RELEASE-p10)
Patches (FreeBSD 7.0, 6.3, and 6.2):
http://security.FreeBSD.org/patches/SA-08:02/libc.patch
http://security.FreeBSD.org/patches/SA-08:02/libc.patch.asc
Provided and/or discovered by:
The vendor credits Bjoern A. Zeeb and Nate Eldredge.
Changelog:
2008-01-28: Added link to US-CERT.
Original Advisory:
http://security.freebsd.org/advisories/FreeBSD-SA-08:02.libc.asc
Other References:
US-CERT VU#203611:
http://www.kb.cert.org/vuls/id/203611
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About this Secunia Advisory
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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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15th Oct, 2008
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