CVE-2005-0453

critical

Description

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.

References

https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-0454

http://security.gentoo.org/glsa/glsa-200502-21.xml

http://secunia.com/advisories/14297

http://article.gmane.org/gmane.comp.web.lighttpd/1171

Details

Source: Mitre, NVD

Published: 2005-02-16

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical

EPSS

EPSS: 0.00864