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The Intersil isl3893 extensions for Boa 0.93.15, as implemented in devices such as the FreeLan RO80211G-AP, contain a vulnerability where stack writes are not properly restricted from overwriting memory locations used for string constants. This flaw can be exploited by sending a long username in an HTTP Basic Authentication request, allowing a remote attacker to overwrite the admin password stored in memory.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (2 hidden).
This repository contains a single Metasploit auxiliary module targeting a vulnerability (CVE-2007-4915) in the Intersil extension of the Boa HTTP Server (versions 0.93.x to 0.94.11). The exploit abuses a buffer overflow in the basic authentication mechanism by sending a username longer than 127 bytes, which overwrites the password in memory and allows an attacker to reset the password for a protected resource. The module first checks if the target is running a vulnerable version of Boa, then attempts the exploit by sending a crafted HTTP request to the user-specified URI. If successful, the attacker can authenticate as 'admin' with the new password. The exploit may also cause a denial-of-service condition. The code is written in Ruby and is designed to be run within the Metasploit framework. The only file present is the exploit module itself, and it requires the user to specify the target URI and desired password.
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