The Squid developers reports :
Improper Input Validation issues in HTTP Request processing (CVE-2020-8449, CVE-2020-8450).
Information Disclosure issue in FTP Gateway (CVE-2019-12528).
Buffer Overflow issue in ext_lm_group_acl helper (CVE-2020-8517).
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from the FreeBSD VuXML database :
#
# Copyright 2003-2020 Jacques Vidrine and contributors
#
# Redistribution and use in source (VuXML) and 'compiled' forms (SGML,
# HTML, PDF, PostScript, RTF and so forth) with or without modification,
# are permitted provided that the following conditions are met:
# 1. Redistributions of source code (VuXML) must retain the above
# copyright notice, this list of conditions and the following
# disclaimer as the first lines of this file unmodified.
# 2. Redistributions in compiled form (transformed to other DTDs,
# published online in any format, converted to PDF, PostScript,
# RTF and other formats) must reproduce the above copyright
# notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
#
# THIS DOCUMENTATION IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS DOCUMENTATION,
# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
include('compat.inc');
if (description)
{
script_id(136302);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/05/13");
script_cve_id(
"CVE-2019-12528",
"CVE-2020-8449",
"CVE-2020-8450",
"CVE-2020-8517"
);
script_name(english:"FreeBSD : Squid -- multiple vulnerabilities (57c1c2ee-7914-11ea-90bf-0800276545c1)");
script_set_attribute(attribute:"synopsis", value:
"The remote FreeBSD host is missing a security-related update.");
script_set_attribute(attribute:"description", value:
"The Squid developers reports :
Improper Input Validation issues in HTTP Request processing
(CVE-2020-8449, CVE-2020-8450).
Information Disclosure issue in FTP Gateway (CVE-2019-12528).
Buffer Overflow issue in ext_lm_group_acl helper (CVE-2020-8517).");
# http://lists.squid-cache.org/pipermail/squid-announce/2020-February/000107.html
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?02cc4f07");
script_set_attribute(attribute:"see_also", value:"https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244026");
# https://vuxml.freebsd.org/freebsd/57c1c2ee-7914-11ea-90bf-0800276545c1.html
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?bdaa9902");
script_set_attribute(attribute:"solution", value:
"Update the affected package.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-8450");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2020-8449");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/02/10");
script_set_attribute(attribute:"patch_publication_date", value:"2020/04/07");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/05/04");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:squid");
script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"FreeBSD Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2020-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/FreeBSD/release", "Host/FreeBSD/pkg_info");
exit(0);
}
include("audit.inc");
include("freebsd_package.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/FreeBSD/release")) audit(AUDIT_OS_NOT, "FreeBSD");
if (!get_kb_item("Host/FreeBSD/pkg_info")) audit(AUDIT_PACKAGE_LIST_MISSING);
flag = 0;
if (pkg_test(save_report:TRUE, pkg:"squid<4.10")) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:pkg_report_get());
else security_hole(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12528
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8449
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8450
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8517
www.nessus.org/u?02cc4f07
www.nessus.org/u?bdaa9902
bugs.freebsd.org/bugzilla/show_bug.cgi?id=244026