CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/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
AI Score
Confidence
High
EPSS
Percentile
64.3%
This update for ovmf fixes the following issues :
Security issues fixed :
CVE-2018-3613: Fixed AuthVariable Timestamp zeroing issue on APPEND_WRITE (bsc#1115916).
CVE-2017-5731: Fixed privilege escalation via processing of malformed files in TianoCompress.c (bsc#1115917).
CVE-2017-5732: Fixed privilege escalation via processing of malformed files in BaseUefiDecompressLib.c (bsc#1115917).
CVE-2017-5733: Fixed privilege escalation via heap-based buffer overflow in MakeTable() function (bsc#1115917).
CVE-2017-5734: Fixed privilege escalation via stack-based buffer overflow in MakeTable() function (bsc#1115917).
CVE-2017-5735: Fixed privilege escalation via heap-based buffer overflow in Decode() function (bsc#1115917).
Non security issues fixed: Fixed an issue with the default owner of PK/KEK/db/dbx and make the auto-enrollment only happen at the very first time. (bsc#1117998)
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-2018:4194-1.
# The text itself is copyright (C) SUSE.
#
include('compat.inc');
if (description)
{
script_id(119808);
script_version("1.7");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/07/15");
script_cve_id(
"CVE-2017-5731",
"CVE-2017-5732",
"CVE-2017-5733",
"CVE-2017-5734",
"CVE-2017-5735",
"CVE-2018-3613"
);
script_name(english:"SUSE SLES12 Security Update : ovmf (SUSE-SU-2018:4194-1)");
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-2018-3613: Fixed AuthVariable Timestamp zeroing issue on
APPEND_WRITE (bsc#1115916).
CVE-2017-5731: Fixed privilege escalation via processing of malformed
files in TianoCompress.c (bsc#1115917).
CVE-2017-5732: Fixed privilege escalation via processing of malformed
files in BaseUefiDecompressLib.c (bsc#1115917).
CVE-2017-5733: Fixed privilege escalation via heap-based buffer
overflow in MakeTable() function (bsc#1115917).
CVE-2017-5734: Fixed privilege escalation via stack-based buffer
overflow in MakeTable() function (bsc#1115917).
CVE-2017-5735: Fixed privilege escalation via heap-based buffer
overflow in Decode() function (bsc#1115917).
Non security issues fixed: Fixed an issue with the default owner of
PK/KEK/db/dbx and make the auto-enrollment only happen at the very
first time. (bsc#1117998)
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=1115916");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1115917");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1117998");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2017-5731/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2017-5732/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2017-5733/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2017-5734/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2017-5735/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-3613/");
# https://www.suse.com/support/update/announcement/2018/suse-su-20184194-1/
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?98d02614");
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 Linux Enterprise Server 12-SP4:zypper in -t patch
SUSE-SLE-SERVER-12-SP4-2018-2989=1
SUSE Linux Enterprise Desktop 12-SP4:zypper in -t patch
SUSE-SLE-DESKTOP-12-SP4-2018-2989=1");
script_set_cvss_base_vector("CVSS2#AV:L/AC:H/Au:N/C:C/I:C/A:C");
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-2017-5735");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2018-3613");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2019/03/27");
script_set_attribute(attribute:"patch_publication_date", value:"2018/12/19");
script_set_attribute(attribute:"plugin_publication_date", value:"2018/12/20");
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:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"SuSE Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2018-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
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:"^(4)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP4", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"ovmf-2017+git1510945757.b2662641d5-3.5.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"ovmf-tools-2017+git1510945757.b2662641d5-3.5.1")) 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");
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5731
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5732
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5733
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5734
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5735
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3613
www.nessus.org/u?98d02614
bugzilla.suse.com/show_bug.cgi?id=1115916
bugzilla.suse.com/show_bug.cgi?id=1115917
bugzilla.suse.com/show_bug.cgi?id=1117998
www.suse.com/security/cve/CVE-2017-5731/
www.suse.com/security/cve/CVE-2017-5732/
www.suse.com/security/cve/CVE-2017-5733/
www.suse.com/security/cve/CVE-2017-5734/
www.suse.com/security/cve/CVE-2017-5735/
www.suse.com/security/cve/CVE-2018-3613/
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/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
AI Score
Confidence
High
EPSS
Percentile
64.3%