Debian: Security Advisory for tomcat9 (DSA-4680-1)

# 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("1.3.6.1.4.1.25623.1.0.704680");
  script_version("2020-05-08T03:00:13+0000");
  script_cve_id("CVE-2019-10072", "CVE-2019-12418", "CVE-2019-17563", "CVE-2019-17569", "CVE-2020-1935", "CVE-2020-1938");
  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:"2020-05-08 03:00:13 +0000 (Fri, 08 May 2020)");
  script_tag(name:"creation_date", value:"2020-05-08 03:00:13 +0000 (Fri, 08 May 2020)");
  script_name("Debian: Security Advisory for tomcat9 (DSA-4680-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 Greenbone Networks GmbH");
  script_family("Debian Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/debian_linux", "ssh/login/packages", re:"ssh/login/release=DEB10");

  script_xref(name:"URL", value:"https://www.debian.org/security/2020/dsa-4680.html");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4680-1");
  script_xref(name:"URL", value:"https://tomcat.apache.org/tomcat-9.0-doc/config/ajp.html");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'tomcat9'
  package(s) announced via the DSA-4680-1 advisory.");

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

  script_tag(name:"insight", value:"Several vulnerabilities were discovered in the Tomcat servlet and JSP
engine, which could result in HTTP request smuggling, code execution
in the AJP connector (disabled by default in Debian) or a man-in-the-middle
attack against the JMX interface.");

  script_tag(name:"affected", value:"'tomcat9' package(s) on Debian Linux.");

  script_tag(name:"solution", value:"For the stable distribution (buster), these problems have been fixed in
version 9.0.31-1~deb10u1. The fix for CVE-2020-1938 may require
configuration changes when Tomcat is used with the AJP connector, e.g.
in combination with libapache-mod-jk. For instance the attribute
secretRequired is set to true by default now. For affected setups it's
recommended to review [link moved to references] before the deploying the update.

We recommend that you upgrade your tomcat9 packages.");

  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");

res = "";
report = "";
if(!isnull(res = isdpkgvuln(pkg:"libtomcat9-embed-java", ver:"9.0.31-1~deb10u1", rls:"DEB10"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libtomcat9-java", ver:"9.0.31-1~deb10u1", rls:"DEB10"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"tomcat9", ver:"9.0.31-1~deb10u1", rls:"DEB10"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"tomcat9-admin", ver:"9.0.31-1~deb10u1", rls:"DEB10"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"tomcat9-common", ver:"9.0.31-1~deb10u1", rls:"DEB10"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"tomcat9-docs", ver:"9.0.31-1~deb10u1", rls:"DEB10"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"tomcat9-examples", ver:"9.0.31-1~deb10u1", rls:"DEB10"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"tomcat9-user", ver:"9.0.31-1~deb10u1", rls:"DEB10"))) {
  report += res;
}

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

exit(0);