[NEWS] Atheros Vendor Specific Information Element Overflow
- From: SecuriTeam <support@xxxxxxxxxxxxxx>
- Date: 7 Sep 2008 17:06:15 +0200
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Atheros Vendor Specific Information Element Overflow
The wireless drivers in some Wi-Fi access points (such as the
ATHEROS-based Linksys WRT350N) do not correctly parse the Atheros vendor
specific information element included in association requests. This
information element is used by wireless devices to advertise Atheros
* Linksys WRT350N (firmware v2.00.17) with Atheros AR5416-AC1E chipset
The bug can be triggered by a malicious association request sent to the
wireless access point where one of the information elements must be an
Atheros information element with an inappropriate length (typically too
long). This can be achieved only after a successful 802.11 authentication
(in "Open" or "Shared" mode according to the configuration of the wireless
Denial-of-service (reboot or hang-up) and possibly remote arbitrary code
2007-10-22 - Vulnerability reported to Linksys
2007-10-23 - Full details sent to Linksys
2008-09-04 - Public disclosure
The information has been provided by
<mailto:laurent.butti@xxxxxxxxxxxxxxxxxx> Laurent Butti and Julien Tinnes.
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