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TITLE:
Broadcom Wireless Driver Probe Response SSID Buffer Overflow
SECUNIA ADVISORY ID:
SA22831
VERIFY ADVISORY:
http://secunia.com/advisories/22831/
CRITICAL:
Moderately critical
IMPACT:
System access
WHERE:
>From remote
SOFTWARE:
Broadcom NIDS 5.0 Wireless Driver 3.x
http://secunia.com/product/12559/
DESCRIPTION:
Johnny Cache has reported a vulnerability in Broadcom Wireless
driver, which potentially can be exploited by malicious people to
compromise a vulnerable system.
The vulnerability is caused due to a boundary error in the BCMWL5.SYS
device driver when handling probe response requests with a long SSID.
This can be exploited to cause a stack-based buffer overflow via a
specially crafted packet.
The vulnerability is reported in version 3.50.21.10. Other versions
may also be affected.
SOLUTION:
Update to the latest version.
Turn off the wireless card when not in use.
PROVIDED AND/OR DISCOVERED BY:
Johnny Cache
ORIGINAL ADVISORY:
http://projects.info-pull.com/mokb/MOKB-11-11-2006.html
About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.
Subscribe:
http://secunia.com/secunia_security_advisories/
Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/
Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.