Debian Security Advisory DSA 4520-1 (trafficserver - security update)

# 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("1.3.6.1.4.1.25623.1.0.704520");
  script_version("2019-09-11T02:00:16+0000");
  script_cve_id("CVE-2019-9512", "CVE-2019-9514", "CVE-2019-9515", "CVE-2019-9518");
  script_tag(name:"cvss_base", value:"7.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_tag(name:"last_modification", value:"2019-09-11 02:00:16 +0000 (Wed, 11 Sep 2019)");
  script_tag(name:"creation_date", value:"2019-09-11 02:00:16 +0000 (Wed, 11 Sep 2019)");
  script_name("Debian Security Advisory DSA 4520-1 (trafficserver - security update)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2019 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/2019/dsa-4520.html");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4520-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'trafficserver'
  package(s) announced via the DSA-4520-1 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 HTTP/2 code of Apache
Traffic Server, a reverse and forward proxy server, which could result
in denial of service.

The fixes are too intrusive to backport to the version in the oldstable
distribution (stretch). An upgrade to Debian stable (buster) is
recommended instead.");

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

  script_tag(name:"solution", value:"For the stable distribution (buster), these problems have been fixed in
version 8.0.2+ds-1+deb10u1.

We recommend that you upgrade your trafficserver 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:"trafficserver", ver:"8.0.2+ds-1+deb10u1", rls:"DEB10"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"trafficserver-dev", ver:"8.0.2+ds-1+deb10u1", rls:"DEB10"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"trafficserver-experimental-plugins", ver:"8.0.2+ds-1+deb10u1", rls:"DEB10"))) {
  report += res;
}

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

exit(0);