GLSA-200501-25 : Squid: Multiple vulnerabilities

Critical Nessus Plugin ID 16416


The remote Gentoo host is missing one or more security-related patches.


The remote host is affected by the vulnerability described in GLSA-200501-25 (Squid: Multiple vulnerabilities)

Squid contains a vulnerability in the gopherToHTML function (CAN-2005-0094) and incorrectly checks the 'number of caches' field when parsing WCCP_I_SEE_YOU messages (CAN-2005-0095). Furthermore the NTLM code contains two errors. One is a memory leak in the fakeauth_auth helper (CAN-2005-0096) and the other is a NULL pointer dereferencing error (CAN-2005-0097). Finally Squid also contains an error in the ACL parsing code (CAN-2005-0194).
Impact :

With the WCCP issue an attacker could cause denial of service by sending a specially crafted UDP packet. With the Gopher issue an attacker might be able to execute arbitrary code by enticing a user to connect to a malicious Gopher server. The NTLM issues could lead to denial of service by memory consumption or by crashing Squid. The ACL issue could lead to ACL bypass.
Workaround :

There is no known workaround at this time.


All Squid users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-proxy/squid-2.5.7-r2'

See Also

Plugin Details

Severity: Critical

ID: 16416

File Name: gentoo_GLSA-200501-25.nasl

Version: $Revision: 1.14 $

Type: local

Published: 2005/02/14

Modified: 2015/04/13

Dependencies: 12634

Risk Information

Risk Factor: Critical


Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:squid, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Patch Publication Date: 2005/01/16

Vulnerability Publication Date: 2005/01/12

Reference Information

CVE: CVE-2005-0094, CVE-2005-0095, CVE-2005-0096, CVE-2005-0097, CVE-2005-0194

OSVDB: 12886, 12887

GLSA: 200501-25