Title: Boa Webserver 0.94.2.x File Disclosure Vulnerability
Severity: MODERATE
Description:
A local vulnerability exists in versions 0.94.8.3 and earlier of Boa Webserver. Improper filtering of percent-encoded characters ("/%2E%2E/") allows an attacker to submit specially-formed URLs which can lead the server to disclose arbitrary world-readable files.
Also, if the configuration file /etc/boa/boa.conf contains the following entry:
AddType application/x-httpd-cgi-cgi
a user with local access and able to create an executable ".cgi" file will be able to run that program as the user id of the webserver.
The entry is, by default, commented out.
Affected Products:
- Boa Webserver 0.94.8.2
- Debian Linux 2.1.0
- Debian Linux 2.2.0
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