CVE-2004-2154

CRITICAL

CUPS < 1.1.21 - Unauthenticated ACL Bypass via Case Sensitivity Mismatch

Title source: llm

Description

CUPS before 1.1.21rc1 treats a Location directive in cupsd.conf as case sensitive, which allows attackers to bypass intended ACLs via a printer name containing uppercase or lowercase letters that are different from what is specified in the directive.

References (7)

Core 7

Core References

Broken Link vendor-advisory x_refsource_suse

http://www.novell.com/linux/security/advisories/2005_18_sr.html

Broken Link, Patch x_refsource_confirm

http://www.cups.org/str.php?L700

Broken Link vendor-advisory x_refsource_redhat

http://www.redhat.com/support/errata/RHSA-2005-571.html

Issue Tracking vendor-advisory x_refsource_fedora

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=163274

Third Party Advisory vendor-advisory x_refsource_ubuntu

http://www.ubuntu.com/usn/usn-185-1

Broken Link vdb-entry signature x_refsource_oval

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9940

Issue Tracking, Vendor Advisory x_refsource_confirm

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=162405

Scores

CVSS v3 9.8

EPSS 0.0207

EPSS Percentile 78.9%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-178

Status published

Products (3)

apple/cups 1.1.21

apple/cups < 1.1.21

canonical/ubuntu_linux 4.10

Published Dec 31, 2004

Tracked Since Feb 18, 2026