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OpenBSD ICMP6 Denial of Service Vulnerability
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Secunia Advisory:
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SA23830
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Release Date:
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2007-01-19
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Popularity:
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8,377 views
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Critical:
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Moderately critical
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Impact:
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DoS
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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: | OpenBSD 3.x
OpenBSD 4.0
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| CVE reference: | CVE-2007-0343
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Description:
A vulnerability has been reported in OpenBSD, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an error within the handling of certain ICMP6 echo requests. This can be exploited to cause an infinite loop by sending a specially crafted ICMP6 echo request.
The vulnerability is reported in OpenBSD 3.9 and 4.0. Other versions may also be affected.
Solution:
Apply patches.
OpenBSD 3.9:
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/018_icmp6.patch
OpenBSD 4.0:
ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.0/common/008_icmp6.patch
Provided and/or discovered by:
Reported by the vendor.
Original Advisory:
http://www.openbsd.org/errata.html#icmp6
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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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