The "%xx" URL decoding function in Squid 2.5STABLE4 and earlier allows remote attackers to bypass url_regex ACLs via a URL with a NULL ("%00") character, which causes Squid to use only a portion of the requested URL when comparing it against the access control lists.
Advisories
Source ID Title
EUVD EUVD EUVD-2004-0189 The "%xx" URL decoding function in Squid 2.5STABLE4 and earlier allows remote attackers to bypass url_regex ACLs via a URL with a NULL ("%00") character, which causes Squid to use only a portion of the requested URL when comparing it against the access control lists.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-08T00:10:03.868Z

Reserved: 2004-03-03T00:00:00

Link: CVE-2004-0189

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2004-03-15T05:00:00.000

Modified: 2025-04-03T01:03:51.193

Link: CVE-2004-0189

cve-icon Redhat

Severity : Low

Publid Date: 2004-02-29T00:00:00Z

Links: CVE-2004-0189 - Bugzilla

cve-icon OpenCVE Enrichment

No data.