From: Secunia Security Advisories (sec-advsecunia.com)
Date: Thu May 13 2004 - 07:30:50 CDT

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TITLE:
Linksys BEF Series Routers DHCP Vulnerability

SECUNIA ADVISORY ID:
SA11606

VERIFY ADVISORY:
http://secunia.com/advisories/11606/

CRITICAL:
Less critical

IMPACT:
Exposure of system information, Exposure of sensitive information,
DoS

WHERE:
From local network

OPERATING SYSTEM:
Linksys BEF series routers

DESCRIPTION:
Jon Hart has reported a vulnerability in Linksys BEGSR41 and
BEFW11S4, which can be exploited by malicious people to gain
knowledge of sensitive information or cause a DoS (Denial of
Service)

The vulnerability is caused due to an error within the integrated
DHCP server when handling BOOTP packets. This can be exploited to
make the device include portions of data from memory in DHCP replies
or crash.

SOLUTION:
The vulnerability has been fixed in firmware version 1.05.00 for
BEFSR41.

PROVIDED AND/OR DISCOVERED BY:
Jon Hart

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