Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2005-0194

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
02/05/2005
Last modified:
03/04/2025

Description

Squid 2.5, when processing the configuration file, parses empty Access Control Lists (ACLs), including proxy_auth ACLs without defined auth schemes, in a way that effectively removes arguments, which could allow remote attackers to bypass intended ACLs if the administrator ignores the parser warnings.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 10.00 HIGH
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
10.00
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:squid:squid:2.0.patch1:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.0.patch2:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.0.pre1:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.0.release:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.1.patch1:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.1.patch2:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.1.pre1:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.1.pre3:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.1.pre4:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.1.release:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.2.devel3:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.2.devel4:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.2.pre1:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.2.pre2:*:*:*:*:*:*:*
cpe:2.3:a:squid:squid:2.2.stable1:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools