The remote host is missing an update announced via the referenced Security Advisory.
# Copyright (C) 2015 Eero Volotinen
# Text descriptions are largely excerpted from the referenced
# advisory, and are Copyright (C) of their 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("1.3.6.1.4.1.25623.1.0.120059");
script_version("2020-03-13T13:19:50+0000");
script_tag(name:"creation_date", value:"2015-09-08 13:16:29 +0200 (Tue, 08 Sep 2015)");
script_tag(name:"last_modification", value:"2020-03-13 13:19:50 +0000 (Fri, 13 Mar 2020)");
script_name("Amazon Linux: Security Advisory (ALAS-2015-521)");
script_tag(name:"insight", value:"A denial of service flaw was found in the way Python's SSL module implementation performed matching of certain certificate names. A remote attacker able to obtain a valid certificate that contained multiple wildcard characters could use this flaw to issue a request to validate such a certificate, resulting in excessive consumption of CPU.");
script_tag(name:"solution", value:"Run yum update python-tornado to update your system.");
script_tag(name:"solution_type", value:"VendorFix");
script_xref(name:"URL", value:"https://alas.aws.amazon.com/ALAS-2015-521.html");
script_cve_id("CVE-2013-2099");
script_tag(name:"cvss_base", value:"4.3");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/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:"The remote host is missing an update announced via the referenced Security Advisory.");
script_copyright("Copyright (C) 2015 Eero Volotinen");
script_family("Amazon Linux Local Security Checks");
exit(0);
}
include("revisions-lib.inc");
include("pkg-lib-rpm.inc");
release = rpm_get_ssh_release();
if(!release)
exit(0);
res = "";
report = "";
if(release == "AMAZON") {
if(!isnull(res = isrpmvuln(pkg:"python27-tornado", rpm:"python27-tornado~2.2.1~7.7.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"python26-tornado", rpm:"python26-tornado~2.2.1~7.7.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"python27-tornado-doc", rpm:"python27-tornado-doc~2.2.1~7.7.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"python26-tornado-doc", rpm:"python26-tornado-doc~2.2.1~7.7.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"python-tornado", rpm:"python-tornado~2.2.1~7.7.amzn1", rls:"AMAZON"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);