CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
83.0%
This update for ovmf fixes the following issues :
Security issues fixed :
CVE-2018-0739: Update openssl to 1.0.2o to limit ASN.1 constructed types recursive definition depth (bsc#1094291).
CVE-2019-14563: Fixed a memory corruption caused by insufficient numeric truncation (bsc#1163959).
CVE-2019-14559: Fixed a remotely exploitable memory leak in the ARP handling code (bsc#1163927).
CVE-2019-14575: Fixed an insufficient signature check in the DxeImageVerificationHandler (bsc#1163969).
Bug fixes: Only use SLES-UEFI-CA-Certificate-2048.crt for the SUSE flavor to provide the better compatibility. (bsc#1077330)
Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2020:0495-1.
# The text itself is copyright (C) SUSE.
#
include("compat.inc");
if (description)
{
script_id(134104);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/15");
script_cve_id("CVE-2018-0739", "CVE-2019-14559", "CVE-2019-14563", "CVE-2019-14575");
script_name(english:"SUSE SLES12 Security Update : ovmf (SUSE-SU-2020:0495-1)");
script_summary(english:"Checks rpm output for the updated packages.");
script_set_attribute(
attribute:"synopsis",
value:"The remote SUSE host is missing one or more security updates."
);
script_set_attribute(
attribute:"description",
value:
"This update for ovmf fixes the following issues :
Security issues fixed :
CVE-2018-0739: Update openssl to 1.0.2o to limit ASN.1 constructed
types recursive definition depth (bsc#1094291).
CVE-2019-14563: Fixed a memory corruption caused by insufficient
numeric truncation (bsc#1163959).
CVE-2019-14559: Fixed a remotely exploitable memory leak in the ARP
handling code (bsc#1163927).
CVE-2019-14575: Fixed an insufficient signature check in the
DxeImageVerificationHandler (bsc#1163969).
Bug fixes: Only use SLES-UEFI-CA-Certificate-2048.crt for the SUSE
flavor to provide the better compatibility. (bsc#1077330)
Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1077330"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1094291"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1163927"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1163959"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1163969"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2018-0739/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2019-14559/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2019-14563/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2019-14575/"
);
# https://www.suse.com/support/update/announcement/2020/suse-su-20200495-1/
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?b70861ce"
);
script_set_attribute(
attribute:"solution",
value:
"To install this SUSE Security Update use the SUSE recommended
installation methods like YaST online_update or 'zypper patch'.
Alternatively you can run the command listed for your product :
SUSE OpenStack Cloud 7:zypper in -t patch
SUSE-OpenStack-Cloud-7-2020-495=1
SUSE Linux Enterprise Server for SAP 12-SP2:zypper in -t patch
SUSE-SLE-SAP-12-SP2-2020-495=1
SUSE Linux Enterprise Server 12-SP2-LTSS:zypper in -t patch
SUSE-SLE-SERVER-12-SP2-2020-495=1
SUSE Linux Enterprise Server 12-SP2-BCL:zypper in -t patch
SUSE-SLE-SERVER-12-SP2-BCL-2020-495=1"
);
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-14575");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ovmf");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ovmf-tools");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/03/27");
script_set_attribute(attribute:"patch_publication_date", value:"2020/02/26");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/02/27");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2020-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"SuSE Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/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/SuSE/release");
if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES12", "SUSE " + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);
if (cpu >!< "x86_64") audit(AUDIT_ARCH_NOT, "x86_64", cpu);
sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES12" && (! preg(pattern:"^(2)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP2", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES12", sp:"2", cpu:"x86_64", reference:"ovmf-2015+git1462940744.321151f-19.10.3")) flag++;
if (rpm_check(release:"SLES12", sp:"2", cpu:"x86_64", reference:"ovmf-tools-2015+git1462940744.321151f-19.10.3")) 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, "ovmf");
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | suse_linux | ovmf | p-cpe:/a:novell:suse_linux:ovmf |
novell | suse_linux | ovmf-tools | p-cpe:/a:novell:suse_linux:ovmf-tools |
novell | suse_linux | 12 | cpe:/o:novell:suse_linux:12 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0739
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14559
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14563
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14575
www.nessus.org/u?b70861ce
bugzilla.suse.com/show_bug.cgi?id=1077330
bugzilla.suse.com/show_bug.cgi?id=1094291
bugzilla.suse.com/show_bug.cgi?id=1163927
bugzilla.suse.com/show_bug.cgi?id=1163959
bugzilla.suse.com/show_bug.cgi?id=1163969
www.suse.com/security/cve/CVE-2018-0739/
www.suse.com/security/cve/CVE-2019-14559/
www.suse.com/security/cve/CVE-2019-14563/
www.suse.com/security/cve/CVE-2019-14575/
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
83.0%