FreeBSD IEEE 802.11 Buffer Overflow Vulnerability - Advisories

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FreeBSD IEEE 802.11 Buffer Overflow Vulnerability

Secunia Advisory:	SA18353
Release Date:	2006-01-18

Critical:	Moderately critical
Impact:	System access
Where:	From remote
Solution Status:	Vendor Patch

OS:	FreeBSD 6.x


CVE reference:	CVE-2006-0226 (Secunia mirror)

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Description: Karl Janmar has reported a vulnerability in FreeBSD, which potentially can be exploited by malicious people to compromise a vulnerable system. The vulnerability is caused due to an integer overflow error in the "net80211" module when handling corrupt IEEE 802.11 beacons or probe response frames during scanning for existing wireless networks. This can result in a buffer overflow and may allow execution of arbitrary code on a vulnerable system scanning for wireless networks. Solution: Update FreeBSD or apply patch. Fixed versions: 2006-01-18 09:03:15 UTC (RELENG_6, 6.0-STABLE) 2006-01-18 09:03:36 UTC (RELENG_6_0, 6.0-RELEASE-p3) Patch for FreeBSD 6.0: ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/patches/SA-06:05/80211.patch ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/patches/SA-06:05/80211.patch.asc Provided and/or discovered by: Karl Janmar Original Advisory: FreeBSD: ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:05.80211.asc Karl Janmar: http://www.signedness.org/advisories/sps-0x1.txt



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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