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openvasCopyright (C) 2019 Greenbone Networks GmbHOPENVAS:1361412562310844261
HistoryDec 05, 2019 - 12:00 a.m.

Ubuntu Update for squid USN-4213-1

2019-12-0500:00:00
Copyright (C) 2019 Greenbone Networks GmbH
plugins.openvas.org
24

The remote host is missing an update for the

# Copyright (C) 2019 Greenbone Networks GmbH
# Text descriptions are largely excerpted from the referenced
# advisory, and are Copyright (C) the respective author(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("1.3.6.1.4.1.25623.1.0.844261");
  script_version("2019-12-18T09:57:42+0000");
  script_cve_id("CVE-2019-12523", "CVE-2019-12526", "CVE-2019-12854", "CVE-2019-18676", "CVE-2019-18677", "CVE-2019-18678", "CVE-2019-18679");
  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:"2019-12-18 09:57:42 +0000 (Wed, 18 Dec 2019)");
  script_tag(name:"creation_date", value:"2019-12-05 03:00:40 +0000 (Thu, 05 Dec 2019)");
  script_name("Ubuntu Update for squid USN-4213-1");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2019 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=(UBUNTU18\.04 LTS|UBUNTU19\.10|UBUNTU19\.04|UBUNTU16\.04 LTS)");

  script_xref(name:"USN", value:"4213-1");
  script_xref(name:"URL", value:"https://lists.ubuntu.com/archives/ubuntu-security-announce/2019-December/005237.html");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'squid'
  package(s) announced via the USN-4213-1 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 and Kristoffer Danielsson discovered that Squid incorrectly
handled certain URN requests. A remote attacker could possibly use this
issue to bypass access checks and access restricted servers. This issue was
only addressed in Ubuntu 19.04 and Ubuntu 19.10. (CVE-2019-12523)

Jeriko One discovered that Squid incorrectly handed URN responses. A remote
attacker could use this issue to cause Squid to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2019-12526)

Alex Rousskov discovered that Squid incorrectly handled certain strings. A
remote attacker could possibly use this issue to cause Squid to crash,
resulting in a denial of service. This issue only affected Ubuntu 19.04.
(CVE-2019-12854)

Jeriko One and Kristoffer Danielsson discovered that Squid incorrectly
handled certain input. A remote attacker could use this issue to cause
Squid to crash, resulting in a denial of service, or possibly execute
arbitrary code. This issue was only addressed in Ubuntu 19.04 and Ubuntu
19.10. (CVE-2019-18676)

Kristoffer Danielsson discovered that Squid incorrectly handled certain
messages. This issue could result in traffic being redirected to origins
it should not be delivered to. (CVE-2019-18677)

Régis Leroy discovered that Squid incorrectly handled certain HTTP
request headers. A remote attacker could use this to smuggle HTTP requests
and corrupt caches with arbitrary content. (CVE-2019-18678)

David Fifield discovered that Squid incorrectly handled HTTP Digest
Authentication. A remote attacker could possibly use this issue to obtain
pointer contents and bypass ASLR protections. (CVE-2019-18679)");

  script_tag(name:"affected", value:"'squid' package(s) on Ubuntu 19.10, Ubuntu 19.04, 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 == "UBUNTU18.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"squid3", ver:"3.5.27-1ubuntu1.4", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

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

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

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

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

if(release == "UBUNTU19.04") {

  if(!isnull(res = isdpkgvuln(pkg:"squid", ver:"4.4-1ubuntu2.3", rls:"UBUNTU19.04"))) {
    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:"squid3", ver:"3.5.12-1ubuntu7.9", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

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

exit(0);
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