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FreeBSD IEEE 802.11 Buffer Overflow Vulnerability
Secunia Advisory:	SA18353	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2006-01-18
Popularity:	7,109 views

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

OS:	FreeBSD 6.x

Subscribe:	Instant alerts on relevant vulnerabilities

CVE reference:	CVE-2006-0226

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

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