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Hostapd EAPoL Frame Handling Denial of Service
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Secunia Advisory:
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SA19966
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Release Date:
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2006-05-04
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Last Update:
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2006-05-08
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Critical:
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Less critical
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Impact:
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DoS
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Where:
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From local network
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Solution Status:
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Vendor Patch
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| Software: | Hostapd 0.x
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| | CVE reference: | CVE-2006-2213 (Secunia mirror)
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Description:
Matteo Rosi has reported a vulnerability in Hostapd, which potentially 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 the key_data_length field of an EAPoL frame. This can be exploited to crash the hostapd daemon via a specially crafted EAPoL frame with an overly large value in the length field.
The vulnerability has been reported in version 0.3.7. Other versions may also be affected.
Solution:
Update to version 0.3.9 or later.
http://hostap.epitest.fi/hostapd/
Provided and/or discovered by:
Matteo Rosi
Changelog:
2006-05-08: Added CVE reference.
Original Advisory:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=365897
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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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