This update for xen fixes several issues. These security issues were fixed :
blkif responses leaked backend stack data, which allowed unprivileged guest to obtain sensitive information from the host or other guests (XSA-216, bsc#1042863)
Page transfer might have allowed PV guest to elevate privilege (XSA-217, bsc#1042882)
Races in the grant table unmap code allowed for informations leaks and potentially privilege escalation (XSA-218, bsc#1042893)
Insufficient reference counts during shadow emulation allowed a malicious pair of guest to elevate their privileges to the privileges that XEN runs under (XSA-219, bsc#1042915)
Stale P2M mappings due to insufficient error checking allowed malicious guest to leak information or elevate privileges (XSA-222, bsc#1042931)
Grant table operations mishandled reference counts allowing malicious guests to escape (XSA-224, bsc#1042938)
CVE-2017-9330: USB OHCI Emulation in qemu allowed local guest OS users to cause a denial of service (infinite loop) by leveraging an incorrect return value (bsc#1042160)
CVE-2017-8309: Memory leak in the audio/audio.c allowed remote attackers to cause a denial of service (memory consumption) by repeatedly starting and stopping audio capture (bsc#1037243)
CVE-2017-8905: Xen a failsafe callback, which might have allowed PV guest OS users to execute arbitrary code on the host OS (XSA-215, bsc#1034845).
CVE-2017-9503: The MegaRAID SAS 8708EM2 Host Bus Adapter emulation support was vulnerable to a NULL pointer dereference issue which allowed a privileged user inside guest to crash the Qemu process on the host resulting in DoS (bsc#1043297)
CVE-2017-9374: Missing free of ‘s->ipacket’, causes a host memory leak, allowing for DoS (bsc#1043074)
CVE-2017-8112: hw/scsi/vmw_pvscsi.c allowed local guest OS privileged users to cause a denial of service (infinite loop and CPU consumption) via the message ring page count (bsc#1036470)
Missing NULL pointer check in event channel poll allows guests to DoS the host (XSA-221, bsc#1042924)
The update package also includes non-security fixes. See advisory for details.
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-2017:1770-1.
# The text itself is copyright (C) SUSE.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(101224);
script_version("3.10");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");
script_cve_id("CVE-2017-8112", "CVE-2017-8309", "CVE-2017-8905", "CVE-2017-9330", "CVE-2017-9374", "CVE-2017-9503");
script_name(english:"SUSE SLES11 Security Update : xen (SUSE-SU-2017:1770-1)");
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 xen fixes several issues. These security issues were
fixed :
- blkif responses leaked backend stack data, which allowed
unprivileged guest to obtain sensitive information from
the host or other guests (XSA-216, bsc#1042863)
- Page transfer might have allowed PV guest to elevate
privilege (XSA-217, bsc#1042882)
- Races in the grant table unmap code allowed for
informations leaks and potentially privilege escalation
(XSA-218, bsc#1042893)
- Insufficient reference counts during shadow emulation
allowed a malicious pair of guest to elevate their
privileges to the privileges that XEN runs under
(XSA-219, bsc#1042915)
- Stale P2M mappings due to insufficient error checking
allowed malicious guest to leak information or elevate
privileges (XSA-222, bsc#1042931)
- Grant table operations mishandled reference counts
allowing malicious guests to escape (XSA-224,
bsc#1042938)
- CVE-2017-9330: USB OHCI Emulation in qemu allowed local
guest OS users to cause a denial of service (infinite
loop) by leveraging an incorrect return value
(bsc#1042160)
- CVE-2017-8309: Memory leak in the audio/audio.c allowed
remote attackers to cause a denial of service (memory
consumption) by repeatedly starting and stopping audio
capture (bsc#1037243)
- CVE-2017-8905: Xen a failsafe callback, which might have
allowed PV guest OS users to execute arbitrary code on
the host OS (XSA-215, bsc#1034845).
- CVE-2017-9503: The MegaRAID SAS 8708EM2 Host Bus Adapter
emulation support was vulnerable to a NULL pointer
dereference issue which allowed a privileged user inside
guest to crash the Qemu process on the host resulting in
DoS (bsc#1043297)
- CVE-2017-9374: Missing free of 's->ipacket', causes a
host memory leak, allowing for DoS (bsc#1043074)
- CVE-2017-8112: hw/scsi/vmw_pvscsi.c allowed local guest
OS privileged users to cause a denial of service
(infinite loop and CPU consumption) via the message ring
page count (bsc#1036470)
- Missing NULL pointer check in event channel poll allows
guests to DoS the host (XSA-221, bsc#1042924)
The update package also includes non-security fixes. See advisory for
details.
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=1014136"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1026236"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1027519"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1031460"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1032148"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1034845"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1036470"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1037243"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1042160"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1042863"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1042882"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1042893"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1042915"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1042924"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1042931"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1042938"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1043074"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1043297"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2017-8112/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2017-8309/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2017-8905/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2017-9330/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2017-9374/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2017-9503/"
);
# https://www.suse.com/support/update/announcement/2017/suse-su-20171770-1/
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?9aad2bf2"
);
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 Software Development Kit 11-SP4:zypper in -t
patch sdksp4-xen-13193=1
SUSE Linux Enterprise Server 11-SP4:zypper in -t patch
slessp4-xen-13193=1
SUSE Linux Enterprise Debuginfo 11-SP4:zypper in -t patch
dbgsp4-xen-13193=1
To bring your system up-to-date, use 'zypper patch'."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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:C/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:xen");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-doc-html");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-kmp-default");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-kmp-pae");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-tools-domU");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:11");
script_set_attribute(attribute:"vuln_publication_date", value:"2017/05/02");
script_set_attribute(attribute:"patch_publication_date", value:"2017/07/04");
script_set_attribute(attribute:"plugin_publication_date", value:"2017/07/05");
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:"^(SLES11)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES11", "SUSE " + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);
if (cpu >!< "i386|i486|i586|i686|x86_64") audit(AUDIT_ARCH_NOT, "i386 / i486 / i586 / i686 / x86_64", cpu);
sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES11" && (! preg(pattern:"^(4)$", string:sp))) audit(AUDIT_OS_NOT, "SLES11 SP4", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES11", sp:"4", cpu:"x86_64", reference:"xen-kmp-default-4.4.4_20_3.0.101_104-60.3")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"x86_64", reference:"xen-libs-4.4.4_20-60.3")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"x86_64", reference:"xen-tools-domU-4.4.4_20-60.3")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"x86_64", reference:"xen-4.4.4_20-60.3")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"x86_64", reference:"xen-doc-html-4.4.4_20-60.3")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"x86_64", reference:"xen-libs-32bit-4.4.4_20-60.3")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"x86_64", reference:"xen-tools-4.4.4_20-60.3")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"x86_64", reference:"xen-kmp-pae-4.4.4_20_3.0.101_104-60.3")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"i586", reference:"xen-kmp-default-4.4.4_20_3.0.101_104-60.3")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"i586", reference:"xen-libs-4.4.4_20-60.3")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"i586", reference:"xen-tools-domU-4.4.4_20-60.3")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"i586", reference:"xen-kmp-pae-4.4.4_20_3.0.101_104-60.3")) 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, "xen");
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | suse_linux | xen | p-cpe:/a:novell:suse_linux:xen |
novell | suse_linux | xen-doc-html | p-cpe:/a:novell:suse_linux:xen-doc-html |
novell | suse_linux | xen-kmp-default | p-cpe:/a:novell:suse_linux:xen-kmp-default |
novell | suse_linux | xen-kmp-pae | p-cpe:/a:novell:suse_linux:xen-kmp-pae |
novell | suse_linux | xen-libs | p-cpe:/a:novell:suse_linux:xen-libs |
novell | suse_linux | xen-tools | p-cpe:/a:novell:suse_linux:xen-tools |
novell | suse_linux | xen-tools-domu | p-cpe:/a:novell:suse_linux:xen-tools-domu |
novell | suse_linux | 11 | cpe:/o:novell:suse_linux:11 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8112
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8309
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8905
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9330
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9374
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9503
www.nessus.org/u?9aad2bf2
bugzilla.suse.com/show_bug.cgi?id=1014136
bugzilla.suse.com/show_bug.cgi?id=1026236
bugzilla.suse.com/show_bug.cgi?id=1027519
bugzilla.suse.com/show_bug.cgi?id=1031460
bugzilla.suse.com/show_bug.cgi?id=1032148
bugzilla.suse.com/show_bug.cgi?id=1034845
bugzilla.suse.com/show_bug.cgi?id=1036470
bugzilla.suse.com/show_bug.cgi?id=1037243
bugzilla.suse.com/show_bug.cgi?id=1042160
bugzilla.suse.com/show_bug.cgi?id=1042863
bugzilla.suse.com/show_bug.cgi?id=1042882
bugzilla.suse.com/show_bug.cgi?id=1042893
bugzilla.suse.com/show_bug.cgi?id=1042915
bugzilla.suse.com/show_bug.cgi?id=1042924
bugzilla.suse.com/show_bug.cgi?id=1042931
bugzilla.suse.com/show_bug.cgi?id=1042938
bugzilla.suse.com/show_bug.cgi?id=1043074
bugzilla.suse.com/show_bug.cgi?id=1043297
www.suse.com/security/cve/CVE-2017-8112/
www.suse.com/security/cve/CVE-2017-8309/
www.suse.com/security/cve/CVE-2017-8905/
www.suse.com/security/cve/CVE-2017-9330/
www.suse.com/security/cve/CVE-2017-9374/
www.suse.com/security/cve/CVE-2017-9503/