7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.8 High
AI Score
Confidence
High
0.573 Medium
EPSS
Percentile
97.7%
The remote host is missing an update for the
# Copyright (C) 2016 Greenbone Networks GmbH
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(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("1.3.6.1.4.1.25623.1.0.120738");
script_cve_id("CVE-2016-6304");
script_tag(name:"creation_date", value:"2016-10-26 12:38:26 +0000 (Wed, 26 Oct 2016)");
script_version("2022-08-19T10:10:35+0000");
script_tag(name:"last_modification", value:"2022-08-19 10:10:35 +0000 (Fri, 19 Aug 2022)");
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:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2022-08-16 13:18:00 +0000 (Tue, 16 Aug 2022)");
script_name("Amazon Linux: Security Advisory (ALAS-2016-749)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2016 Greenbone Networks GmbH");
script_family("Amazon Linux Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/amazon_linux", "ssh/login/release");
script_xref(name:"Advisory-ID", value:"ALAS-2016-749");
script_xref(name:"URL", value:"https://alas.aws.amazon.com/ALAS-2016-749.html");
script_xref(name:"URL", value:"https://www.openssl.org/news/secadv/20160922.txt");
script_xref(name:"URL", value:"https://www.openssl.org/news/secadv/20160926.txt");
script_tag(name:"summary", value:"The remote host is missing an update for the 'openssl' package(s) announced via the ALAS-2016-749 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"A memory leak flaw was found in the way OpenSSL handled TLS status request extension data during session renegotiation. A remote attacker could cause a TLS server using OpenSSL to consume an excessive amount of memory and, possibly, exit unexpectedly after exhausting all available memory, if it enabled OCSP stapling support.
The OpenSSL Security Advisory [22 Sep 2016] refers to additional CVEs. CVE-2016-6305 does not affect OpenSSL 1.0.1. The remaining CVEs listed will be fixed in a later update.
The OpenSSL Security Advisory [26 Sep 2016] refers to two additional CVEs which do not affect OpenSSL 1.0.1.
(Updated 2016-09-26: Included a reference to the 26 Sep 2016 upstream advisory.)");
script_tag(name:"affected", value:"'openssl' package(s) on Amazon Linux.");
script_tag(name:"solution", value:"Please install the updated package(s).");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"package");
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:"openssl", rpm:"openssl~1.0.1k~15.95.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"openssl-debuginfo", rpm:"openssl-debuginfo~1.0.1k~15.95.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"openssl-devel", rpm:"openssl-devel~1.0.1k~15.95.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"openssl-perl", rpm:"openssl-perl~1.0.1k~15.95.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"openssl-static", rpm:"openssl-static~1.0.1k~15.95.amzn1", rls:"AMAZON"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.8 High
AI Score
Confidence
High
0.573 Medium
EPSS
Percentile
97.7%