Debian Security Advisory DSA 2895-1 (prosody - security update)

# OpenVAS Vulnerability Test
# $Id: deb_2895.nasl 9136 2018-03-19 13:08:02Z cfischer $
# Auto-generated from advisory DSA 2895-1 using nvtgen 1.0
# Script version: 1.0
#
# Author:
# Greenbone Networks
#
# Copyright:
# Copyright (c) 2015 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(702895);
    script_version("$Revision: 9136 $");
    script_cve_id("CVE-2014-2744", "CVE-2014-2745");
    script_name("Debian Security Advisory DSA 2895-1 (prosody - security update)");
    script_tag(name: "last_modification", value: "$Date: 2018-03-19 14:08:02 +0100 (Mon, 19 Mar 2018) $");
    script_tag(name: "creation_date", value: "2014-04-06 00:00:00 +0200 (Sun, 06 Apr 2014)");
    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: "solution_type", value: "VendorFix");

    script_xref(name: "URL", value: "http://www.debian.org/security/2014/dsa-2895.html");


    script_category(ACT_GATHER_INFO);

    script_copyright("Copyright (c) 2015 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: "prosody on Debian Linux");
    script_tag(name: "insight",   value: "Prosody IM is a simple-to-use XMPP
server. It is designed to be easy to extend via plugins, and light on
resources.");
    script_tag(name: "solution",  value: "For the stable distribution (wheezy),
this problem has been fixed in version 0.8.2-4+deb7u1 of prosody.

For the unstable distribution (sid), this problem has been fixed in
version 0.9.4-1 of prosody.

For the stable distribution (wheezy), this problem has been fixed in
version 1.2.0-5+deb7u1 of lua-expat.

For the unstable distribution (sid), this problem has been fixed in
version 1.3.0-1 lua-expat.

We recommend that you upgrade your prosody and lua-expat packages.");
    script_tag(name: "summary",   value: "A denial-of-service vulnerability
has been reported in Prosody, a XMPP server. If compression is enabled, an
attacker might send highly-compressed XML elements (attack known as zip bomb)
over XMPP streams and consume all the resources of the server.

The SAX XML parser lua-expat is also affected by this issues.");
    script_tag(name: "vuldetect", value: "This check tests the installed software version using the apt package manager.");
    script_tag(name:"qod_type", value:"package");
    exit(0);
}

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

res = "";
report = "";
if ((res = isdpkgvuln(pkg:"prosody", ver:"0.8.2-4+deb7u1", rls_regex:"DEB7.[0-9]")) != NULL) {
    report += res;
}

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