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openvasCopyright (C) 2020 Greenbone Networks GmbHOPENVAS:1361412562310844426
HistoryMay 14, 2020 - 12:00 a.m.

Ubuntu: Security Advisory for squid (USN-4356-1)

2020-05-1400:00:00
Copyright (C) 2020 Greenbone Networks GmbH
plugins.openvas.org
23

The remote host is missing an update for the

# Copyright (C) 2020 Greenbone Networks GmbH
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.844426");
  script_version("2020-05-15T04:25:55+0000");
  script_cve_id("CVE-2019-12519", "CVE-2019-12521", "CVE-2019-18860", "CVE-2020-11945");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"last_modification", value:"2020-05-15 04:25:55 +0000 (Fri, 15 May 2020)");
  script_tag(name:"creation_date", value:"2020-05-14 03:00:26 +0000 (Thu, 14 May 2020)");
  script_name("Ubuntu: Security Advisory for squid (USN-4356-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 Greenbone Networks GmbH");
  script_family("Ubuntu Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/ubuntu_linux", "ssh/login/packages", re:"ssh/login/release=(UBUNTU19\.10|UBUNTU18\.04 LTS|UBUNTU16\.04 LTS|UBUNTU20\.04 LTS)");

  script_xref(name:"USN", value:"4356-1");
  script_xref(name:"URL", value:"https://lists.ubuntu.com/archives/ubuntu-security-announce/2020-May/005428.html");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'squid'
  package(s) announced via the USN-4356-1 advisory.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"Jeriko One discovered that Squid incorrectly handled certain Edge Side
Includes (ESI) responses. A malicious remote server could cause Squid to
crash, possibly poison the cache, or possibly execute arbitrary code.
(CVE-2019-12519, CVE-2019-12521)

It was discovered that Squid incorrectly handled the hostname parameter to
cachemgr.cgi when certain browsers are used. A remote attacker could
possibly use this issue to inject HTML or invalid characters in the
hostname parameter. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04
LTS, and Ubuntu 19.10. (CVE-2019-18860)

Clément Berthaux and Florian Guilbert discovered that Squid incorrectly
handled Digest Authentication nonce values. A remote attacker could
use this issue to replay nonce values, or possibly execute arbitrary code.
(CVE-2020-11945)");

  script_tag(name:"affected", value:"'squid' package(s) on Ubuntu 20.04 LTS, Ubuntu 19.10, Ubuntu 18.04 LTS, Ubuntu 16.04 LTS.");

  script_tag(name:"solution", value:"Please install the updated package(s).");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"package");

  exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-deb.inc");

release = dpkg_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "UBUNTU19.10") {

  if(!isnull(res = isdpkgvuln(pkg:"squid", ver:"4.8-1ubuntu2.3", rls:"UBUNTU19.10"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

if(release == "UBUNTU18.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"squid", ver:"3.5.27-1ubuntu1.6", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

if(release == "UBUNTU16.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"squid", ver:"3.5.12-1ubuntu7.11", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

if(release == "UBUNTU20.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"squid", ver:"4.10-1ubuntu1.1", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

exit(0);
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