This update for xen fixes the following issues :
bsc#1174543 - secure boot related fixes
bsc#1163019 - CVE-2020-8608: Potential OOB access due to unsafe snprintf() usages
bsc#1169392 - CVE-2020-11742: Bad continuation handling in GNTTABOP_copy
bsc#1168140 - CVE-2020-11740, CVE-2020-11741: Multiple xenoprof issues
bsc#1168142 - CVE-2020-11739: Missing memory barriers in read-write unlock paths
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-2020:2234-1.
# The text itself is copyright (C) SUSE.
#
include('compat.inc');
if (description)
{
script_id(139595);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/26");
script_cve_id(
"CVE-2020-11739",
"CVE-2020-11740",
"CVE-2020-11741",
"CVE-2020-11742",
"CVE-2020-8608"
);
script_name(english:"SUSE SLES12 Security Update : xen (SUSE-SU-2020:2234-1)");
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 xen fixes the following issues :
bsc#1174543 - secure boot related fixes
bsc#1163019 - CVE-2020-8608: Potential OOB access due to unsafe
snprintf() usages
bsc#1169392 - CVE-2020-11742: Bad continuation handling in
GNTTABOP_copy
bsc#1168140 - CVE-2020-11740, CVE-2020-11741: Multiple xenoprof issues
bsc#1168142 - CVE-2020-11739: Missing memory barriers in read-write
unlock paths
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=1163019");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1168140");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1168142");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1169392");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1174543");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-11739/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-11740/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-11741/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-11742/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-8608/");
# https://www.suse.com/support/update/announcement/2020/suse-su-20202234-1
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?43c8e04d");
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-7-2020-2234=1
SUSE Linux Enterprise Server for SAP 12-SP2 :
zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-2234=1
SUSE Linux Enterprise Server 12-SP2-LTSS :
zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-2234=1
SUSE Linux Enterprise Server 12-SP2-BCL :
zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2020-2234=1");
script_set_cvss_base_vector("CVSS2#AV:L/AC:M/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: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:"cvss_score_source", value:"CVE-2020-11741");
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:"2020/02/06");
script_set_attribute(attribute:"patch_publication_date", value:"2020/08/13");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/08/14");
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-debugsource");
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-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-libs-debuginfo");
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-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-tools-domU");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-tools-domU-debuginfo");
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) 2020-2024 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:"^(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:"xen-4.7.6_08-43.64.1")) flag++;
if (rpm_check(release:"SLES12", sp:"2", cpu:"x86_64", reference:"xen-debugsource-4.7.6_08-43.64.1")) flag++;
if (rpm_check(release:"SLES12", sp:"2", cpu:"x86_64", reference:"xen-doc-html-4.7.6_08-43.64.1")) flag++;
if (rpm_check(release:"SLES12", sp:"2", cpu:"x86_64", reference:"xen-libs-32bit-4.7.6_08-43.64.1")) flag++;
if (rpm_check(release:"SLES12", sp:"2", cpu:"x86_64", reference:"xen-libs-4.7.6_08-43.64.1")) flag++;
if (rpm_check(release:"SLES12", sp:"2", cpu:"x86_64", reference:"xen-libs-debuginfo-32bit-4.7.6_08-43.64.1")) flag++;
if (rpm_check(release:"SLES12", sp:"2", cpu:"x86_64", reference:"xen-libs-debuginfo-4.7.6_08-43.64.1")) flag++;
if (rpm_check(release:"SLES12", sp:"2", cpu:"x86_64", reference:"xen-tools-4.7.6_08-43.64.1")) flag++;
if (rpm_check(release:"SLES12", sp:"2", cpu:"x86_64", reference:"xen-tools-debuginfo-4.7.6_08-43.64.1")) flag++;
if (rpm_check(release:"SLES12", sp:"2", cpu:"x86_64", reference:"xen-tools-domU-4.7.6_08-43.64.1")) flag++;
if (rpm_check(release:"SLES12", sp:"2", cpu:"x86_64", reference:"xen-tools-domU-debuginfo-4.7.6_08-43.64.1")) 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, "xen");
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | suse_linux | xen | p-cpe:/a:novell:suse_linux:xen |
novell | suse_linux | xen-debugsource | p-cpe:/a:novell:suse_linux:xen-debugsource |
novell | suse_linux | xen-doc-html | p-cpe:/a:novell:suse_linux:xen-doc-html |
novell | suse_linux | xen-libs | p-cpe:/a:novell:suse_linux:xen-libs |
novell | suse_linux | xen-libs-debuginfo | p-cpe:/a:novell:suse_linux:xen-libs-debuginfo |
novell | suse_linux | xen-tools | p-cpe:/a:novell:suse_linux:xen-tools |
novell | suse_linux | xen-tools-debuginfo | p-cpe:/a:novell:suse_linux:xen-tools-debuginfo |
novell | suse_linux | xen-tools-domu | p-cpe:/a:novell:suse_linux:xen-tools-domu |
novell | suse_linux | xen-tools-domu-debuginfo | p-cpe:/a:novell:suse_linux:xen-tools-domu-debuginfo |
novell | suse_linux | 12 | cpe:/o:novell:suse_linux:12 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11739
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11740
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11741
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11742
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8608
www.nessus.org/u?43c8e04d
bugzilla.suse.com/show_bug.cgi?id=1163019
bugzilla.suse.com/show_bug.cgi?id=1168140
bugzilla.suse.com/show_bug.cgi?id=1168142
bugzilla.suse.com/show_bug.cgi?id=1169392
bugzilla.suse.com/show_bug.cgi?id=1174543
www.suse.com/security/cve/CVE-2020-11739/
www.suse.com/security/cve/CVE-2020-11740/
www.suse.com/security/cve/CVE-2020-11741/
www.suse.com/security/cve/CVE-2020-11742/
www.suse.com/security/cve/CVE-2020-8608/