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Tool Directory

CVE-2003-1054

MediumPublished

mod_access_referer 1.0.2 allows remote attackers to cause a denial of service (crash) via a malformed Referer header that is missing a hostname, as parsed...

Published: Jan 19, 2005
Updated: Aug 8, 2024
Assigning CNA: mitre
Evidence observed: Apr 16, 2003

Primary CVSS

5.0/ 10Medium

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS probability estimate

7.1%

Low · next 30 days

Percentile: 94.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

mod_access_referer 1.0.2 allows remote attackers to cause a denial of service (crash) via a malformed Referer header that is missing a hostname, as parsed by the ap_parse_uri_components function in Apache, which triggers a null dereference.

Sources

Apache Mod_Access_Referer 1.0.2 - Null Pointer Dereference Denial of ServiceExploit
zillion · multiple · Apr 16, 2003

Responsible use

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