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FreeBSD "i386_set_ldt()" Integer Overflow / Signedness Vulnerabilities
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Secunia Advisory:
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SA22064
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Release Date:
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2006-09-26
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Popularity:
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6,211 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: | FreeBSD 5.x
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| CVE reference: | CVE-2006-4172
CVE-2006-4178
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Description:
Some vulnerabilities have been reported in FreeBSD, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
The vulnerabilities are caused due to integer overflow and signedness errors within the "i386_set_ldt()" system call, which can be exploited to cause a DoS.
The vulnerabilities have been reported in FreeBSD 5.2 through FreeBSD 5.5. Other versions may also be affected.
Solution:
Restrict access to affected systems to trusted people only.
Provided and/or discovered by:
One vulnerability has been reported by Adriano Lima and Rodrigo Rubira Branco, RISE Security.
CVE-2006-4172 and CVE-2006-4178 have been reported by anonymous persons to iDEFENSE.
Original Advisory:
http://www.idefense.com/intelligence/vulnerabilities/display.php?id=414
http://www.idefense.com/intelligence/vulnerabilities/display.php?id=415
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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.
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