Debian LTS: Security Advisory for ruby-json (DLA-2190-1)

# 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("1.3.6.1.4.1.25623.1.0.892190");
  script_version("2020-05-14T09:33:44+0000");
  script_cve_id("CVE-2020-10663");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:P/A:N");
  script_tag(name:"last_modification", value:"2020-05-14 09:33:44 +0000 (Thu, 14 May 2020)");
  script_tag(name:"creation_date", value:"2020-04-29 03:00:12 +0000 (Wed, 29 Apr 2020)");
  script_name("Debian LTS: Security Advisory for ruby-json (DLA-2190-1)");
  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=DEB8");

  script_xref(name:"URL", value:"https://lists.debian.org/debian-lts-announce/2020/04/msg00023.html");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DLA-2190-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'ruby-json'
  package(s) announced via the DLA-2190-1 advisory.");

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

  script_tag(name:"insight", value:"In ruby-json before 2.3.0, there is an unsafe object creation
vulnerability. When parsing certain JSON documents, the json
gem (including the one bundled with Ruby) can be coerced into
creating arbitrary objects in the target system.");

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

  script_tag(name:"solution", value:"For Debian 8 'Jessie', this problem has been fixed in version
1.8.1-1+deb8u1.

We recommend that you upgrade your ruby-json 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:"ruby-json", ver:"1.8.1-1+deb8u1", rls:"DEB8"))) {
  report += res;
}

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

exit(0);