CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
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:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
5.1%
This update for dracut fixes the following issues: Security issues fixed :
CVE-2016-8637: When the early microcode loading was enabled during initrd creation, the initrd would be read-only available for all users, allowing local users to retrieve secrets stored in the initial ramdisk.
(bsc#1008340) Non-security issues fixed :
Skip iBFT discovery for qla4xxx flashnode session.
(bsc#935320)
Set MTU and LLADDR for DHCP if specified. (bsc#959803)
Allow booting from degraded MD arrays with systemd.
(bsc#1017695)
Start multipath services before local-fs-pre.target.
(bsc#1005410, bsc#1006118, bsc#1007925, bsc#986734, bsc#986838)
Fixed /sbin/installkernel to handle kernel packages built with ‘make bin-rpmpkg’. (bsc#1008648)
Fixed typo in installkernel script. (bsc#1032576)
Fixed subnet calculation in mkinitrd. (bsc#1035743)
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.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2017:2696-1.
# The text itself is copyright (C) SUSE.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(103771);
script_version("3.8");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");
script_cve_id("CVE-2016-8637");
script_name(english:"SUSE SLES12 Security Update : dracut (SUSE-SU-2017:2696-1)");
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 dracut fixes the following issues: Security issues
fixed :
- CVE-2016-8637: When the early microcode loading was
enabled during initrd creation, the initrd would be
read-only available for all users, allowing local users
to retrieve secrets stored in the initial ramdisk.
(bsc#1008340) Non-security issues fixed :
- Skip iBFT discovery for qla4xxx flashnode session.
(bsc#935320)
- Set MTU and LLADDR for DHCP if specified. (bsc#959803)
- Allow booting from degraded MD arrays with systemd.
(bsc#1017695)
- Start multipath services before local-fs-pre.target.
(bsc#1005410, bsc#1006118, bsc#1007925, bsc#986734,
bsc#986838)
- Fixed /sbin/installkernel to handle kernel packages
built with 'make bin-rpmpkg'. (bsc#1008648)
- Fixed typo in installkernel script. (bsc#1032576)
- Fixed subnet calculation in mkinitrd. (bsc#1035743)
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=1005410"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1006118"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1007925"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1008340"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1008648"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1017695"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1032576"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1035743"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=935320"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=959803"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=986734"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=986838"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2016-8637/"
);
# https://www.suse.com/support/update/announcement/2017/suse-su-20172696-1/
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?37732efd"
);
script_set_attribute(
attribute:"solution",
value:
"To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :
SUSE Linux Enterprise Server 12-LTSS:zypper in -t patch
SUSE-SLE-SERVER-12-2017-1669=1
To bring your system up-to-date, use 'zypper patch'."
);
script_set_cvss_base_vector("CVSS2#AV:L/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: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:"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:novell:suse_linux:dracut");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dracut-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dracut-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dracut-fips");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/08/01");
script_set_attribute(attribute:"patch_publication_date", value:"2017/10/10");
script_set_attribute(attribute:"plugin_publication_date", value:"2017/10/11");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2017-2021 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);
sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES12" && (! preg(pattern:"^(0)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP0", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES12", sp:"0", reference:"dracut-037-51.31.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"dracut-debuginfo-037-51.31.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"dracut-debugsource-037-51.31.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"dracut-fips-037-51.31.1")) flag++;
if (flag)
{
if (report_verbosity > 0) security_note(port:0, extra:rpm_report_get());
else security_note(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "dracut");
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8637
www.nessus.org/u?37732efd
bugzilla.suse.com/show_bug.cgi?id=1005410
bugzilla.suse.com/show_bug.cgi?id=1006118
bugzilla.suse.com/show_bug.cgi?id=1007925
bugzilla.suse.com/show_bug.cgi?id=1008340
bugzilla.suse.com/show_bug.cgi?id=1008648
bugzilla.suse.com/show_bug.cgi?id=1017695
bugzilla.suse.com/show_bug.cgi?id=1032576
bugzilla.suse.com/show_bug.cgi?id=1035743
bugzilla.suse.com/show_bug.cgi?id=935320
bugzilla.suse.com/show_bug.cgi?id=959803
bugzilla.suse.com/show_bug.cgi?id=986734
bugzilla.suse.com/show_bug.cgi?id=986838
www.suse.com/security/cve/CVE-2016-8637/
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
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:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
5.1%