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("1.3.6.1.4.1.25623.1.0.892007");
script_version("2020-01-29T08:22:52+0000");
script_cve_id("CVE-2017-17742", "CVE-2019-15845", "CVE-2019-16201", "CVE-2019-16254", "CVE-2019-16255");
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:"2020-01-29 08:22:52 +0000 (Wed, 29 Jan 2020)");
script_tag(name:"creation_date", value:"2019-11-26 12:50:25 +0000 (Tue, 26 Nov 2019)");
script_name("Debian LTS: Security Advisory for ruby2.1 (DLA-2007-1)");
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=DEB8");
script_xref(name:"URL", value:"https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html");
script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DLA-2007-1");
script_tag(name:"summary", value:"The remote host is missing an update for the 'ruby2.1'
package(s) announced via the DLA-2007-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"Several flaws have been found in ruby2.1, an interpreter of an
object-oriented scripting language.
CVE-2019-15845
Path matching might pass in File.fnmatch and File.fnmatch? due
to a NUL character injection.
CVE-2019-16201
A loop caused by a wrong regular expression could lead to a denial
of service of a WEBrick service.
CVE-2019-16254
This is the same issue as CVE-2017-17742, whose fix was not complete.
CVE-2019-16255
Giving untrusted data to the first argument of Shell#[] and
Shell#test might lead to a code injection vulnerability.");
script_tag(name:"affected", value:"'ruby2.1' package(s) on Debian Linux.");
script_tag(name:"solution", value:"For Debian 8 'Jessie', these problems have been fixed in version
2.1.5-2+deb8u8.
We recommend that you upgrade your ruby2.1 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:"libruby2.1", ver:"2.1.5-2+deb8u8", rls:"DEB8"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"ruby2.1", ver:"2.1.5-2+deb8u8", rls:"DEB8"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"ruby2.1-dev", ver:"2.1.5-2+deb8u8", rls:"DEB8"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"ruby2.1-doc", ver:"2.1.5-2+deb8u8", rls:"DEB8"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"ruby2.1-tcltk", ver:"2.1.5-2+deb8u8", rls:"DEB8"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);