The buffer_urldecode function in Lighttpd 1.3.7 and earlier does not properly handle control characters, which allows remote attackers to obtain the source code for CGI and FastCGI scripts via a URL with a %00 (null) character after the file extension.
CVSS Details
- CVSS 3.1 Base Score: 7.5
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade lighttpd | Dec 10, 2025 | Mar 1, 2005 |
| Gentoo Linux | — | Upgrade www-servers/lighttpd. | Oct 30, 2017 | Feb 16, 2005 |
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