Vulnerability CVE-2007-4915
Published: 2007-09-17   Modified: 2012-02-12

Description:
The Intersil isl3893 extensions for Boa 0.93.15, as used on the FreeLan RO80211G-AP and other devices, do not prevent stack writes from entering memory locations used for string constants, which allows remote attackers to change the admin password stored in memory via a long username in an HTTP Basic Authentication request.

See advisories in our WLB2 database:
Topic
Author
Date
High
Boa (with Intersil Extensions) - HTTP Basic Authentication Bypass
Luca \"ikki...
19.09.2007

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
BOA -> Boa webserver 

 References:
http://securityreason.com/securityalert/3151
http://www.gnucitizen.org/projects/router-hacking-challenge/
http://www.ikkisoft.com/stuff/SN-2007-02.txt
http://www.securenetwork.it/ricerca/advisory/download/SN-2007-02.txt
http://www.securityfocus.com/archive/1/479434/100/0/threaded
http://www.securityfocus.com/archive/1/489009/100/0/threaded
http://www.securityfocus.com/bid/25676
https://www.exploit-db.com/exploits/4542
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