Debian Security Advisory DSA 3801-1 (ruby-zip - security update)

# OpenVAS Vulnerability Test
# $Id: deb_3801.nasl 6607 2017-07-07 12:04:25Z cfischer $
# Auto-generated from advisory DSA 3801-1 using nvtgen 1.0
# Script version: 1.0
#
# Author:
# Greenbone Networks
#
# Copyright:
# Copyright (c) 2017 Greenbone Networks GmbH http://greenbone.net
# Text descriptions are largely excerpted from the referenced
# advisory, and are Copyright (c) the respective author(s)
#
# 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_id(703801);
    script_version("$Revision: 6607 $");
    script_cve_id("CVE-2017-5946");
    script_name("Debian Security Advisory DSA 3801-1 (ruby-zip - security update)");
    script_tag(name: "last_modification", value: "$Date: 2017-07-07 14:04:25 +0200 (Fri, 07 Jul 2017) $");
    script_tag(name: "creation_date", value: "2017-03-04 00:00:00 +0100 (Sat, 04 Mar 2017)");
    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: "solution_type", value: "VendorFix");
    script_tag(name: "qod_type", value: "package");

    script_xref(name: "URL", value: "http://www.debian.org/security/2017/dsa-3801.html");

    script_category(ACT_GATHER_INFO);

    script_copyright("Copyright (c) 2017 Greenbone Networks GmbH http://greenbone.net");
    script_family("Debian Local Security Checks");
    script_dependencies("gather-package-list.nasl");
    script_mandatory_keys("ssh/login/debian_linux", "ssh/login/packages");
    script_tag(name: "affected",  value: "ruby-zip on Debian Linux");
        script_tag(name: "insight",   value: "rubyzip is a ruby library for reading and writing zip (pkzip format)
files, with the restriction that only uncompressed and deflated zip
entries are supported. All this library does is handling of the zip
file format. the actual compression/decompression is handled by
zlib. zlib is accessible from ruby thanks to ruby/zlib");
    script_tag(name: "solution",  value: "For the stable distribution (jessie), this problem has been fixed in
version 1.1.6-1+deb8u1.

For the upcoming stable distribution (stretch), this problem has been
fixed in version 1.2.0-1.1.

For the unstable distribution (sid), this problem has been fixed in
version 1.2.0-1.1.

We recommend that you upgrade your ruby-zip packages.");
    script_tag(name: "summary",   value: "It was discovered that ruby-zip, a Ruby module for reading and writing
zip files, is prone to a directory traversal vulnerability. An attacker
can take advantage of this flaw to overwrite arbitrary files during
archive extraction via a .. (dot dot) in an extracted filename.");
    script_tag(name: "vuldetect", value: "This check tests the installed software version using the apt package manager.");

    exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-deb.inc");

res = "";
report = "";
if ((res = isdpkgvuln(pkg:"ruby-zip", ver:"1.2.0-1.1", rls_regex:"DEB9.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"ruby-zip", ver:"1.1.6-1+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}

if (report != "") {
    security_message(data:report);
} else if (__pkg_match) {
    exit(99); # Not vulnerable.
}