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CVE-2005-0453

The buffer_urldecode function in Lighttpd 1.3.7 and earlier does not properly handle control...

5.0 Medium

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.

Exploit likelihood

1.72%Up 0.6 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

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.

Record
CVE-2005-0453
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2005-0453
Updated
2026-11-02
EUVDEUVD-2005-0454 No score

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.

Record
EUVD-2005-0454
Updated
2026-11-03
GitHub AdvisoriesGHSA-574f-8c2v-j6gg No score

The buffer_urldecode function in Lighttpd 1.3.7 and earlier does not properly handle control...

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.

Record
GHSA-574f-8c2v-j6gg
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2005-0453 is a medium vulnerability (CVSS 5.0) in Lighttpd, published February 16, 2005. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.72%, the 77th percentile. No source names a fixed version.

References

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