Xsupplicant "eap_do_notify()" Buffer Overflow Vulnerability
Secunia Advisory: SA22612
Release Date: 2006-10-30
Popularity: 5,762 views

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

Software:Xsupplicant 1.x

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CVE reference:CVE-2006-5601
CVE-2006-5602


Description:
A vulnerability has been reported in Xsupplicant, which potentially can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error within the "eap_do_notify()" function. This can be exploited to cause a stack-based buffer overflow by sending a specially crafted EAP packet.

Successful exploitation may allow the execution of arbitrary code with "root" privileges.

Solution:
Update to version 1.2.8.

Provided and/or discovered by:
Yannick Van Osselaer

Original Advisory:
http://open1x.sourceforge.net/
http://www.mandriva.com/security/advisories?name=MDKSA-2006:189

Other References:
http://open1x.cvs.sourceforge.net/ope...icant/src/eap.c?r1=1.135&r2=1.136


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