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FreeBSD "PT_LWPINFO" Ptrace Command Denial of Service
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Secunia Advisory:
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SA22367
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Release Date:
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2006-10-11
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Popularity:
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5,212 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 6.x
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| CVE reference: | CVE-2006-4516
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Description:
A vulnerability has been reported in FreeBSD, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
The vulnerability is caused due to a signedness error in the "PT_LWPINFO" ptrace command and can be exploited to trigger a kernel panic or potentially corrupt user-space memory.
The vulnerability is reported in version 6.0-RELEASE and does reportedly not affect 6.1-RELEASE. Other versions may also be affected.
Solution:
Grant only trusted users access to affected systems.
Provided and/or discovered by:
Discovered by an anonymous person and reported via iDefense Labs.
Original Advisory:
iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=419
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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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