Amazon Linux Local Check: alas-2016-638

2016-01-20T00:00:00
ID OPENVAS:1361412562310120628
Type openvas
Reporter Eero Volotinen
Modified 2017-07-06T00:00:00

Description

Amazon Linux Local Security Checks

                                        
                                            # OpenVAS Vulnerability Test 
# Description: Amazon Linux security check 
# $Id: alas-2016-638.nasl 6574 2017-07-06 13:41:26Z cfischer $
 
# Authors: 
# Eero Volotinen <eero.volotinen@iki.fi> 
#
# Copyright:
# Copyright (c) 2015 Eero Volotinen, http://ping-viini.org 
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# 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("1.3.6.1.4.1.25623.1.0.120628");
script_version("$Revision: 6574 $");
script_tag(name:"creation_date", value:"2016-01-20 07:22:46 +0200 (Wed, 20 Jan 2016)");
script_tag(name:"last_modification", value:"$Date: 2017-07-06 15:41:26 +0200 (Thu, 06 Jul 2017) $");
script_name("Amazon Linux Local Check: alas-2016-638");
script_tag(name: "insight", value: "An information leak flaw was found in the way the OpenSSH client roaming feature was implemented. A malicious server could potentially use this flaw to leak portions of memory (possibly including private SSH keys) of a successfully authenticated OpenSSH client.A buffer overflow flaw was found in the way the OpenSSH client roaming feature was implemented. A malicious server could potentially use this flaw to execute arbitrary code on a successfully authenticated OpenSSH client if that client used certain non-default configuration options."); 
script_tag(name : "solution", value : "Run yum update openssh to update your system.");
script_tag(name : "solution_type", value : "VendorFix");
script_xref(name : "URL" , value : "https://alas.aws.amazon.com/ALAS-2016-638.html");
script_cve_id("CVE-2016-0777","CVE-2016-0778");
script_tag(name:"cvss_base", value:"4.6");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:S/C:P/I:P/A:P");
script_tag(name:"qod_type", value:"package");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/amazon_linux", "ssh/login/release");
script_category(ACT_GATHER_INFO);
script_tag(name:"summary", value:"Amazon Linux Local Security Checks");
script_copyright("Eero Volotinen");
script_family("Amazon Linux Local Security Checks");
exit(0);
}
include("revisions-lib.inc");
include("pkg-lib-rpm.inc");
release = get_kb_item("ssh/login/release");
res = "";
if(release == NULL)
{
 exit(0);
}
if(release == "AMAZON")
{
if ((res = isrpmvuln(pkg:"openssh-server", rpm:"openssh-server~6.6.1p1~23.59.amzn1", rls:"AMAZON")) != NULL) {
  security_message(data:res);
  exit(0);
}
if ((res = isrpmvuln(pkg:"openssh", rpm:"openssh~6.6.1p1~23.59.amzn1", rls:"AMAZON")) != NULL) {
  security_message(data:res);
  exit(0);
}
if ((res = isrpmvuln(pkg:"openssh-ldap", rpm:"openssh-ldap~6.6.1p1~23.59.amzn1", rls:"AMAZON")) != NULL) {
  security_message(data:res);
  exit(0);
}
if ((res = isrpmvuln(pkg:"auth", rpm:"auth~0.9.3~9.23.59.amzn1", rls:"AMAZON")) != NULL) {
  security_message(data:res);
  exit(0);
}
if ((res = isrpmvuln(pkg:"openssh-debuginfo", rpm:"openssh-debuginfo~6.6.1p1~23.59.amzn1", rls:"AMAZON")) != NULL) {
  security_message(data:res);
  exit(0);
}
if ((res = isrpmvuln(pkg:"openssh-clients", rpm:"openssh-clients~6.6.1p1~23.59.amzn1", rls:"AMAZON")) != NULL) {
  security_message(data:res);
  exit(0);
}
if ((res = isrpmvuln(pkg:"openssh-keycat", rpm:"openssh-keycat~6.6.1p1~23.59.amzn1", rls:"AMAZON")) != NULL) {
  security_message(data:res);
  exit(0);
}
if (__pkg_match) exit(99); #Not vulnerable
  exit(0);
}