CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
65.2%
This update for qemu to version 2.11.2 fixes the following issues:
Security issue fixed :
CVE-2018-11806: Fix heap buffer overflow issue that can happen while reassembling fragmented datagrams (bsc#1096223).
CVE-2018-3639: Mitigation functionality for Speculative Store Bypass issue in x86 (bsc#1087082).
CVE-2018-7550: Fix out of bounds read and write memory access, potentially leading to code execution (bsc#1083291) Bug fixes :
bsc#1091695: SEV guest will not lauchh with qemu-system-x86_64 version 2.11.1.
bsc#1094898: qemu-guest-agent service doesn’t work in version Leap 15.0.
bsc#1094725: virsh blockresize
does not work with Xen qdisks.
bsc#1094913: QEMU crashes when starting a guest with more than 7.999TB.
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-2018:2340-1.
# The text itself is copyright (C) SUSE.
#
include('compat.inc');
if (description)
{
script_id(120081);
script_version("1.8");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/07/10");
script_cve_id("CVE-2018-11806", "CVE-2018-3639", "CVE-2018-7550");
script_name(english:"SUSE SLED15 / SLES15 Security Update : qemu (SUSE-SU-2018:2340-1) (Spectre)");
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 qemu to version 2.11.2 fixes the following issues:
Security issue fixed :
- CVE-2018-11806: Fix heap buffer overflow issue that can
happen while reassembling fragmented datagrams
(bsc#1096223).
- CVE-2018-3639: Mitigation functionality for Speculative
Store Bypass issue in x86 (bsc#1087082).
- CVE-2018-7550: Fix out of bounds read and write memory
access, potentially leading to code execution
(bsc#1083291) Bug fixes :
- bsc#1091695: SEV guest will not lauchh with
qemu-system-x86_64 version 2.11.1.
- bsc#1094898: qemu-guest-agent service doesn't work in
version Leap 15.0.
- bsc#1094725: `virsh blockresize` does not work with Xen
qdisks.
- bsc#1094913: QEMU crashes when starting a guest with
more than 7.999TB.
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=1083291");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1087082");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1091695");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1094725");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1094898");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1094913");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1096223");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-11806/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-3639/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-7550/");
# https://www.suse.com/support/update/announcement/2018/suse-su-20182340-1/
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?719c7d19");
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 Module for Server Applications 15:zypper in -t
patch SUSE-SLE-Module-Server-Applications-15-2018-1577=1
SUSE Linux Enterprise Module for Basesystem 15:zypper in -t patch
SUSE-SLE-Module-Basesystem-15-2018-1577=1");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-11806");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2018-7550");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"in_the_news", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/03/01");
script_set_attribute(attribute:"patch_publication_date", value:"2018/08/15");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/01/02");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-curl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-curl-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-iscsi");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-iscsi-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-rbd");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-rbd-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-ssh");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-ssh-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-guest-agent");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-guest-agent-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-kvm");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-lang");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-s390");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-s390-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-tools-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-x86");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-x86-debuginfo");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
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) 2019-2024 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:"^(SLED15|SLES15)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLED15 / SLES15", "SUSE " + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "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 == "SLES15" && (! preg(pattern:"^(0)$", string:sp))) audit(AUDIT_OS_NOT, "SLES15 SP0", os_ver + " SP" + sp);
if (os_ver == "SLED15" && (! preg(pattern:"^(0)$", string:sp))) audit(AUDIT_OS_NOT, "SLED15 SP0", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES15", sp:"0", cpu:"x86_64", reference:"qemu-x86-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", cpu:"x86_64", reference:"qemu-x86-debuginfo-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", cpu:"s390x", reference:"qemu-s390-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", cpu:"s390x", reference:"qemu-s390-debuginfo-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"qemu-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"qemu-block-curl-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"qemu-block-curl-debuginfo-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"qemu-block-iscsi-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"qemu-block-iscsi-debuginfo-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"qemu-block-rbd-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"qemu-block-rbd-debuginfo-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"qemu-block-ssh-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"qemu-block-ssh-debuginfo-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"qemu-debuginfo-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"qemu-debugsource-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"qemu-guest-agent-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"qemu-guest-agent-debuginfo-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"qemu-kvm-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"qemu-lang-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"qemu-tools-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"qemu-tools-debuginfo-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"qemu-debuginfo-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"qemu-debugsource-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"qemu-tools-2.11.2-9.4.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"qemu-tools-debuginfo-2.11.2-9.4.1")) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
else security_hole(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "qemu");
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11806
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3639
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7550
www.nessus.org/u?719c7d19
bugzilla.suse.com/show_bug.cgi?id=1083291
bugzilla.suse.com/show_bug.cgi?id=1087082
bugzilla.suse.com/show_bug.cgi?id=1091695
bugzilla.suse.com/show_bug.cgi?id=1094725
bugzilla.suse.com/show_bug.cgi?id=1094898
bugzilla.suse.com/show_bug.cgi?id=1094913
bugzilla.suse.com/show_bug.cgi?id=1096223
www.suse.com/security/cve/CVE-2018-11806/
www.suse.com/security/cve/CVE-2018-3639/
www.suse.com/security/cve/CVE-2018-7550/
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
65.2%