OracleVM 3.3 critical security updates for nt
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The package checks in this plugin were extracted from OracleVM
# Security Advisory OVMSA-2015-0102.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(85143);
script_version("2.11");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");
script_cve_id("CVE-2014-9297", "CVE-2014-9298", "CVE-2015-1798", "CVE-2015-1799", "CVE-2015-3405");
script_bugtraq_id(72583, 72584, 73950, 73951, 74045);
script_xref(name:"TRA", value:"TRA-2015-04");
script_name(english:"OracleVM 3.3 : ntp (OVMSA-2015-0102)");
script_summary(english:"Checks the RPM output for the updated packages.");
script_set_attribute(
attribute:"synopsis",
value:"The remote OracleVM host is missing one or more security updates."
);
script_set_attribute(
attribute:"description",
value:
"The remote OracleVM system is missing necessary patches to address
critical security updates :
- reject packets without MAC when authentication is
enabled (CVE-2015-1798)
- protect symmetric associations with symmetric key
against DoS attack (CVE-2015-1799)
- fix generation of MD5 keys with ntp-keygen on big-endian
systems (CVE-2015-3405)
- log when stepping clock for leap second or ignoring it
with -x (#1204625)
- fix typos in ntpd man page (#1194463)
- validate lengths of values in extension fields
(CVE-2014-9297)
- drop packets with spoofed source address ::1
(CVE-2014-9298)
- add nanosecond support to SHM refclock (#1117704)
- allow creating all SHM segments with owner-only access
(#1122015)
- allow symmetric keys up to 32 bytes again (#1053551)
- fix calculation of root dispersion (#1045376)
- fix crash in ntpq mreadvar command (#1165141)
- don't step clock for leap second with -x option
(#1190619)
- don't drop packets with source port below 123 (#1171630)
- use larger RSA exponent in ntp-keygen (#1184421)
- refresh peers on routing updates (#1193850)
- increase memlock limit again (#1053568)
- warn when monitor can't be disabled due to limited
restrict (#1166596)
- improve documentation of restrict command (#1069019)
- update logconfig documentation for patched default
(#1193849)
- don't build ntpsnmpd (#995134)"
);
script_set_attribute(
attribute:"see_also",
value:"https://oss.oracle.com/pipermail/oraclevm-errata/2015-July/000352.html"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.tenable.com/security/research/tra-2015-04"
);
script_set_attribute(
attribute:"solution",
value:"Update the affected ntp / ntpdate packages."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:vm:ntp");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:vm:ntpdate");
script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:vm_server:3.3");
script_set_attribute(attribute:"vuln_publication_date", value:"2015/04/08");
script_set_attribute(attribute:"patch_publication_date", value:"2015/07/30");
script_set_attribute(attribute:"plugin_publication_date", value:"2015/07/31");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2015-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"OracleVM Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/OracleVM/release", "Host/OracleVM/rpm-list");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/OracleVM/release");
if (isnull(release) || "OVS" >!< release) audit(AUDIT_OS_NOT, "OracleVM");
if (! preg(pattern:"^OVS" + "3\.3" + "(\.[0-9]|$)", string:release)) audit(AUDIT_OS_NOT, "OracleVM 3.3", "OracleVM " + release);
if (!get_kb_item("Host/OracleVM/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "OracleVM", cpu);
if ("x86_64" >!< cpu) audit(AUDIT_ARCH_NOT, "x86_64", cpu);
flag = 0;
if (rpm_check(release:"OVS3.3", reference:"ntp-4.2.6p5-5.el6")) flag++;
if (rpm_check(release:"OVS3.3", reference:"ntpdate-4.2.6p5-5.el6")) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
else security_warning(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "ntp / ntpdate");
}
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